Indianola 1SW Weather Records (USC00134063)
Record envelope, standing records and threshold days for Indianola 1SW (USC00134063), Iowa, United States, with 134 years of record.
Key Facts for Indianola 1SW
- Indianola 1SW (USC00134063) is a weather station in Iowa, United States at 41.35 latitude and -93.57 longitude, 291 m (956 ft) above sea level.
- The station reports from 1893 to 2026, 134 years of record.
- 1,464 records set at Indianola 1SW still stand.
- Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
- Indianola 1SW set a daily record precipitation of 61.0 mm (2.4 in) on 30 September 2026 (provisional).
Provisional Records
Records set in the last 60 days are provisional until they clear the revision window.
About the Station
- Location: Iowa, United States, 41.35 latitude, -93.57 longitude.
- Elevation: 291 m (956 ft).
- Period of record: 1893 to 2026, 134 years.
- Eligible elements: tmax, tmin, prcp, snow, snwd.
Daily Record Envelope and 2026
0 days at or beyond a record| Month | Highest record high | Lowest record low | 2026 highest maximum | 2026 lowest minimum |
|---|---|---|---|---|
| Jan | 21.1 C (70.0 F) | -36.1 C (-33.0 F) | n/a | n/a |
| Feb | 26.1 C (79.0 F) | -37.2 C (-35.0 F) | n/a | n/a |
| Mar | 31.7 C (89.1 F) | -28.9 C (-20.0 F) | n/a | n/a |
| Apr | 33.3 C (91.9 F) | -18.9 C (-2.0 F) | n/a | n/a |
| May | 41.1 C (106.0 F) | -6.1 C (21.0 F) | n/a | n/a |
| Jun | 40.6 C (105.1 F) | 2.2 C (36.0 F) | n/a | n/a |
| Jul | 44.4 C (111.9 F) | 4.4 C (39.9 F) | n/a | n/a |
| Aug | 45.0 C (113.0 F) | 3.3 C (37.9 F) | n/a | n/a |
| Sep | 40.0 C (104.0 F) | -5.0 C (23.0 F) | n/a | n/a |
| Oct | 35.0 C (95.0 F) | -15.6 C (3.9 F) | n/a | n/a |
| Nov | 27.8 C (82.0 F) | -23.9 C (-11.0 F) | n/a | n/a |
| Dec | 21.1 C (70.0 F) | -32.2 C (-26.0 F) | n/a | n/a |
Which Years Hold Standing Records
1,464 standing records| Year set | Standing records |
|---|---|
| 1893 | 14 |
| 1894 | 19 |
| 1895 | 18 |
| 1896 | 19 |
| 1897 | 17 |
| 1898 | 8 |
| 1899 | 18 |
| 1900 | 6 |
| 1901 | 6 |
| 1902 | 15 |
| 1903 | 4 |
| 1904 | 6 |
| 1905 | 12 |
| 1906 | 4 |
| 1907 | 13 |
| 1908 | 6 |
| 1909 | 21 |
| 1910 | 10 |
| 1911 | 21 |
| 1912 | 14 |
| 1913 | 18 |
| 1914 | 12 |
| 1915 | 12 |
| 1916 | 11 |
| 1917 | 13 |
| 1918 | 12 |
| 1919 | 6 |
| 1920 | 2 |
| 1921 | 9 |
| 1922 | 2 |
| 1923 | 10 |
| 1924 | 13 |
| 1925 | 20 |
| 1926 | 4 |
| 1927 | 9 |
| 1928 | 11 |
| 1929 | 12 |
| 1930 | 30 |
| 1931 | 14 |
| 1932 | 10 |
| 1933 | 17 |
| 1934 | 49 |
| 1935 | 4 |
| 1936 | 33 |
| 1937 | 16 |
| 1938 | 14 |
| 1939 | 24 |
| 1940 | 10 |
| 1941 | 12 |
| 1942 | 15 |
| 1943 | 8 |
| 1944 | 15 |
| 1945 | 11 |
| 1946 | 11 |
| 1947 | 16 |
| 1948 | 10 |
| 1949 | 4 |
| 1950 | 15 |
| 1951 | 10 |
| 1952 | 14 |
| 1953 | 11 |
| 1954 | 12 |
| 1955 | 8 |
| 1956 | 10 |
| 1957 | 4 |
| 1958 | 5 |
| 1959 | 11 |
| 1960 | 3 |
| 1961 | 2 |
| 1962 | 8 |
| 1963 | 9 |
| 1964 | 9 |
| 1965 | 13 |
| 1966 | 18 |
| 1967 | 13 |
| 1968 | 12 |
| 1969 | 3 |
| 1970 | 14 |
| 1971 | 13 |
| 1972 | 13 |
| 1973 | 6 |
| 1974 | 10 |
| 1975 | 11 |
| 1976 | 15 |
| 1977 | 11 |
| 1978 | 8 |
| 1979 | 7 |
| 1980 | 6 |
| 1981 | 18 |
| 1982 | 16 |
| 1983 | 16 |
| 1984 | 11 |
| 1985 | 10 |
| 1986 | 8 |
| 1987 | 7 |
| 1988 | 8 |
| 1989 | 15 |
| 1990 | 15 |
| 1991 | 17 |
| 1992 | 12 |
| 1993 | 5 |
| 1994 | 7 |
| 1995 | 5 |
| 1996 | 12 |
| 1997 | 10 |
| 1998 | 11 |
| 1999 | 7 |
| 2000 | 8 |
| 2001 | 8 |
| 2002 | 7 |
| 2003 | 5 |
| 2004 | 7 |
| 2005 | 8 |
| 2006 | 6 |
| 2007 | 3 |
| 2008 | 8 |
| 2009 | 7 |
| 2010 | 2 |
| 2011 | 4 |
| 2012 | 27 |
| 2013 | 9 |
| 2014 | 14 |
| 2015 | 7 |
| 2016 | 4 |
| 2017 | 12 |
| 2018 | 14 |
| 2019 | 14 |
| 2020 | 9 |
| 2021 | 9 |
| 2022 | 8 |
All-Time Record Progression
8 new records| Date | Kind | Detail |
|---|---|---|
| 1934-07-19 | Record high maximum temperature | Record high maximum temperature 44.4 C (111.9 F) |
| 1934-08-08 | Record high maximum temperature | Record high maximum temperature 45.0 C (113.0 F) |
| 1942-01-01 | Record daily snowfall | Record daily snowfall 48.3 cm (19.0 in) |
| 1954-07-14 | Record high minimum temperature | Record high minimum temperature 27.8 C (82.0 F) |
| 1975-07-19 | Record high minimum temperature | Record high minimum temperature 28.9 C (84.0 F) |
| 1977-08-26 | Record daily precipitation | Record daily precipitation 226.1 mm (8.9 in) |
| 1979-02-09 | Record low minimum temperature | Record low minimum temperature -36.1 C (-33.0 F) |
| 1996-02-03 | Record low minimum temperature | Record low minimum temperature -37.2 C (-35.0 F) |
Wettest Day of Each Month
Aug: 226.1 mm (8.9 in)| Month | Record daily precipitation (mm) | Date |
|---|---|---|
| Jan | 60.7 mm (2.4 in) | 12 January 1960 |
| Feb | 48.0 mm (1.9 in) | 17 February 1911 |
| Mar | 52.3 mm (2.1 in) | 15 March 1945 |
| Apr | 86.6 mm (3.4 in) | 18 April 2013 |
| May | 86.4 mm (3.4 in) | 11 May 1912 |
| Jun | 143.8 mm (5.7 in) | 5 June 1947 |
| Jul | 142.5 mm (5.6 in) | 29 July 2015 |
| Aug | 226.1 mm (8.9 in) | 26 August 1977 |
| Sep | 172.7 mm (6.8 in) | 2 September 1909 |
| Oct | 100.3 mm (3.9 in) | 11 October 1973 |
| Nov | 106.9 mm (4.2 in) | 17 November 1952 |
| Dec | 67.3 mm (2.6 in) | 17 December 1895 |
Period of Record Coverage
1893 to 2022| Year | Days with data | Share of year | Complete |
|---|---|---|---|
| 1893 | 280 | 77% | No |
| 1894 | 346 | 95% | Yes |
| 1895 | 294 | 81% | No |
| 1896 | 360 | 98% | Yes |
| 1897 | 324 | 89% | No |
| 1898 | 329 | 90% | Yes |
| 1899 | 358 | 98% | Yes |
| 1900 | 359 | 98% | Yes |
| 1901 | 348 | 95% | Yes |
| 1902 | 343 | 94% | Yes |
| 1903 | 349 | 96% | Yes |
| 1904 | 361 | 99% | Yes |
| 1905 | 361 | 99% | Yes |
| 1906 | 356 | 98% | Yes |
| 1907 | 361 | 99% | Yes |
| 1908 | 362 | 99% | Yes |
| 1909 | 361 | 99% | Yes |
| 1910 | 358 | 98% | Yes |
| 1911 | 361 | 99% | Yes |
| 1912 | 349 | 95% | Yes |
| 1913 | 361 | 99% | Yes |
| 1914 | 361 | 99% | Yes |
| 1915 | 360 | 99% | Yes |
| 1916 | 357 | 98% | Yes |
| 1917 | 358 | 98% | Yes |
| 1918 | 358 | 98% | Yes |
| 1919 | 362 | 99% | Yes |
| 1920 | 240 | 66% | No |
| 1921 | 335 | 92% | Yes |
| 1922 | 363 | 99% | Yes |
| 1923 | 359 | 98% | Yes |
| 1924 | 365 | 100% | Yes |
| 1925 | 365 | 100% | Yes |
| 1926 | 365 | 100% | Yes |
| 1927 | 364 | 100% | Yes |
| 1928 | 364 | 99% | Yes |
| 1929 | 364 | 100% | Yes |
| 1930 | 365 | 100% | Yes |
| 1931 | 364 | 100% | Yes |
| 1932 | 366 | 100% | Yes |
| 1933 | 365 | 100% | Yes |
| 1934 | 365 | 100% | Yes |
| 1935 | 365 | 100% | Yes |
| 1936 | 365 | 100% | Yes |
| 1937 | 364 | 100% | Yes |
| 1938 | 365 | 100% | Yes |
| 1939 | 365 | 100% | Yes |
| 1940 | 366 | 100% | Yes |
| 1941 | 363 | 99% | Yes |
| 1942 | 364 | 100% | Yes |
| 1943 | 363 | 99% | Yes |
| 1944 | 365 | 100% | Yes |
| 1945 | 365 | 100% | Yes |
| 1946 | 364 | 100% | Yes |
| 1947 | 365 | 100% | Yes |
| 1948 | 366 | 100% | Yes |
| 1949 | 365 | 100% | Yes |
| 1950 | 363 | 99% | Yes |
| 1951 | 365 | 100% | Yes |
| 1952 | 366 | 100% | Yes |
| 1953 | 365 | 100% | Yes |
| 1954 | 364 | 100% | Yes |
| 1955 | 365 | 100% | Yes |
| 1956 | 366 | 100% | Yes |
| 1957 | 365 | 100% | Yes |
| 1958 | 365 | 100% | Yes |
| 1959 | 365 | 100% | Yes |
| 1960 | 366 | 100% | Yes |
| 1961 | 364 | 100% | Yes |
| 1962 | 364 | 100% | Yes |
| 1963 | 365 | 100% | Yes |
| 1964 | 366 | 100% | Yes |
| 1965 | 357 | 98% | Yes |
| 1966 | 365 | 100% | Yes |
| 1967 | 364 | 100% | Yes |
| 1968 | 366 | 100% | Yes |
| 1969 | 365 | 100% | Yes |
| 1970 | 363 | 99% | Yes |
| 1971 | 365 | 100% | Yes |
| 1972 | 365 | 100% | Yes |
| 1973 | 363 | 99% | Yes |
| 1974 | 365 | 100% | Yes |
| 1975 | 362 | 99% | Yes |
| 1976 | 364 | 99% | Yes |
| 1977 | 364 | 100% | Yes |
| 1978 | 363 | 99% | Yes |
| 1979 | 365 | 100% | Yes |
| 1980 | 364 | 99% | Yes |
| 1981 | 363 | 99% | Yes |
| 1982 | 339 | 93% | Yes |
| 1983 | 288 | 79% | No |
| 1984 | 356 | 97% | Yes |
| 1985 | 351 | 96% | Yes |
| 1986 | 346 | 95% | Yes |
| 1987 | 226 | 62% | No |
| 1988 | 233 | 64% | No |
| 1989 | 361 | 99% | Yes |
| 1990 | 365 | 100% | Yes |
| 1991 | 352 | 96% | Yes |
| 1992 | 350 | 96% | Yes |
| 1993 | 361 | 99% | Yes |
| 1994 | 344 | 94% | Yes |
| 1995 | 360 | 99% | Yes |
| 1996 | 361 | 99% | Yes |
| 1997 | 362 | 99% | Yes |
| 1998 | 362 | 99% | Yes |
| 1999 | 362 | 99% | Yes |
| 2000 | 363 | 99% | Yes |
| 2001 | 362 | 99% | Yes |
| 2002 | 353 | 97% | Yes |
| 2003 | 361 | 99% | Yes |
| 2004 | 363 | 99% | Yes |
| 2005 | 357 | 98% | Yes |
| 2006 | 332 | 91% | Yes |
| 2007 | 359 | 98% | Yes |
| 2008 | 353 | 96% | Yes |
| 2009 | 355 | 97% | Yes |
| 2010 | 362 | 99% | Yes |
| 2011 | 354 | 97% | Yes |
| 2012 | 361 | 99% | Yes |
| 2013 | 361 | 99% | Yes |
| 2014 | 358 | 98% | Yes |
| 2015 | 358 | 98% | Yes |
| 2016 | 361 | 99% | Yes |
| 2017 | 302 | 83% | No |
| 2018 | 356 | 98% | Yes |
| 2019 | 363 | 99% | Yes |
| 2020 | 364 | 99% | Yes |
| 2021 | 353 | 97% | Yes |
| 2022 | 251 | 69% | No |
Latest Records
20| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 30 September 2026 | Indianola 1SW, US | daily rain (Provisional) | 61.0 mm (2.4 in) | 14.5 mm (0.6 in) | 124 years | 49 of 100 (Notable) |
| 14 August 2026 | Indianola 1SW, US | daily rain | 133.1 mm (5.2 in) | 72.1 mm (2.8 in) | 129 years | 80 of 100 (Exceptional) |
| 21 July 2026 | Indianola 1SW, US | daily rain | 61.2 mm (2.4 in) | 15.0 mm (0.6 in) | 49 years | 33 of 100 (Routine) |
| 10 April 2026 | Indianola 1SW, US | daily rain | 32.0 mm (1.3 in) | 7.4 mm (0.29 in) | 112 years | 46 of 100 (Notable) |
| 7 March 2026 | Indianola 1SW, US | daily rain | 16.5 mm (0.6 in) | 5.1 mm (0.20 in) | 115 years | 20 of 100 (Routine) |
| 6 March 2026 | Indianola 1SW, US | daily rain | 41.1 mm (1.6 in) | 11.6 mm (0.5 in) | 43 years | 36 of 100 (Notable) |
| 20 February 2026 | Indianola 1SW, US | daily snowfall | 10.2 cm (4.0 in) | 3.3 cm (1.3 in) | 16 years | 20 of 100 (Routine) |
| 9 January 2026 | Indianola 1SW, US | daily rain | 29.0 mm (1.1 in) | 13.8 mm (0.5 in) | 96 years | 58 of 100 (Notable) |
| 13 December 2025 | Indianola 1SW, US | daily snowfall | 6.6 cm (2.6 in) | 3.8 cm (1.5 in) | 15 years | 21 of 100 (Routine) |
| 20 May 2025 | Indianola 1SW, US | daily rain | 64.8 mm (2.6 in) | 12.2 mm (0.5 in) | 0 years | 19 of 100 (Routine) |
| 2 April 2025 | Indianola 1SW, US | daily rain | 25.1 mm (1.0 in) | 7.3 mm (0.29 in) | 42 years | 28 of 100 (Routine) |
| 5 March 2025 | Indianola 1SW, US | daily rain | 38.6 mm (1.5 in) | 6.6 mm (0.26 in) | 20 years | 24 of 100 (Routine) |
| 12 February 2025 | Indianola 1SW, US | daily snowfall | 9.9 cm (3.9 in) | 1.3 cm (0.5 in) | 6 years | 13 of 100 (Routine) |
| 31 July 2024 | Indianola 1SW, US | daily rain | 61.2 mm (2.4 in) | 9.4 mm (0.37 in) | 81 years | 40 of 100 (Notable) |
| 3 July 2024 | Indianola 1SW, US | daily rain | 77.5 mm (3.1 in) | 15.8 mm (0.6 in) | 73 years | 41 of 100 (Notable) |
| 20 May 2024 | Indianola 1SW, US | daily rain | 52.6 mm (2.1 in) | 4.6 mm (0.18 in) | 37 years | 24 of 100 (Routine) |
| 13 May 2024 | Indianola 1SW, US | daily rain | 64.3 mm (2.5 in) | 4.9 mm (0.19 in) | 108 years | 44 of 100 (Notable) |
| 14 June 2022 | Indianola 1SW, US | daily high min | 25.0 C (77.0 F) | 0.6 C (1.1 F) | 28 years | 19 of 100 (Routine) |
| 13 May 2022 | Indianola 1SW, US | daily high max | 34.4 C (93.9 F) | 0.5 C (0.9 F) | 65 years | 29 of 100 (Routine) |
| 12 May 2022 | Indianola 1SW, US | daily high min | 21.7 C (71.1 F) | 1.1 C (2.0 F) | 52 years | 27 of 100 (Routine) |
Climate Trend
117 complete years, 1894 to 2021| Year | Annual mean temperature | Difference from the station mean |
|---|---|---|
| 1894 | 11.1 C | +1.02 C |
| 1896 | 10.2 C | +0.09 C |
| 1899 | 9.7 C | -0.43 C |
| 1900 | 10.6 C | +0.51 C |
| 1901 | 10.3 C | +0.22 C |
| 1902 | 9.6 C | -0.52 C |
| 1903 | 9.6 C | -0.56 C |
| 1904 | 8.9 C | -1.26 C |
| 1905 | 9.2 C | -0.90 C |
| 1906 | 10.1 C | 0.00 C |
| 1907 | 9.5 C | -0.60 C |
| 1908 | 10.6 C | +0.49 C |
| 1909 | 9.7 C | -0.44 C |
| 1910 | 10.5 C | +0.38 C |
| 1911 | 11.1 C | +0.95 C |
| 1912 | 8.9 C | -1.22 C |
| 1913 | 10.9 C | +0.82 C |
| 1914 | 10.7 C | +0.59 C |
| 1915 | 9.8 C | -0.35 C |
| 1916 | 9.8 C | -0.32 C |
| 1917 | 8.5 C | -1.65 C |
| 1918 | 10.6 C | +0.46 C |
| 1919 | 10.1 C | -0.02 C |
| 1922 | 11.0 C | +0.84 C |
| 1923 | 10.3 C | +0.20 C |
| 1924 | 8.9 C | -1.24 C |
| 1925 | 10.1 C | +0.03 C |
| 1926 | 10.1 C | -0.04 C |
| 1927 | 10.4 C | +0.29 C |
| 1928 | 10.6 C | +0.48 C |
| 1929 | 9.0 C | -1.12 C |
| 1930 | 11.3 C | +1.18 C |
| 1931 | 12.6 C | +2.51 C |
| 1932 | 10.2 C | +0.07 C |
| 1933 | 11.8 C | +1.70 C |
| 1934 | 12.2 C | +2.12 C |
| 1935 | 10.1 C | +0.03 C |
| 1936 | 10.4 C | +0.27 C |
| 1937 | 9.7 C | -0.44 C |
| 1938 | 11.6 C | +1.49 C |
| 1939 | 11.8 C | +1.71 C |
| 1940 | 9.5 C | -0.59 C |
| 1941 | 11.4 C | +1.31 C |
| 1942 | 10.4 C | +0.25 C |
| 1943 | 9.4 C | -0.69 C |
| 1944 | 10.9 C | +0.81 C |
| 1945 | 10.1 C | -0.02 C |
| 1946 | 11.7 C | +1.63 C |
| 1947 | 10.7 C | +0.60 C |
| 1948 | 10.7 C | +0.61 C |
| 1949 | 10.9 C | +0.78 C |
| 1950 | 9.3 C | -0.83 C |
| 1951 | 8.6 C | -1.55 C |
| 1952 | 10.5 C | +0.40 C |
| 1953 | 11.4 C | +1.31 C |
| 1954 | 11.8 C | +1.70 C |
| 1955 | 10.8 C | +0.73 C |
| 1956 | 11.2 C | +1.07 C |
| 1957 | 10.4 C | +0.27 C |
| 1958 | 10.1 C | -0.05 C |
| 1959 | 9.9 C | -0.17 C |
| 1960 | 9.4 C | -0.74 C |
| 1961 | 9.8 C | -0.29 C |
| 1962 | 9.7 C | -0.40 C |
| 1963 | 10.4 C | +0.33 C |
| 1964 | 10.9 C | +0.75 C |
| 1965 | 9.2 C | -0.93 C |
| 1966 | 9.5 C | -0.60 C |
| 1967 | 10.0 C | -0.08 C |
| 1968 | 10.3 C | +0.22 C |
| 1969 | 9.8 C | -0.35 C |
| 1970 | 10.4 C | +0.26 C |
| 1971 | 10.5 C | +0.40 C |
| 1972 | 9.7 C | -0.38 C |
| 1973 | 11.2 C | +1.04 C |
| 1974 | 10.6 C | +0.44 C |
| 1975 | 10.4 C | +0.26 C |
| 1976 | 10.2 C | +0.08 C |
| 1977 | 10.8 C | +0.64 C |
| 1978 | 9.0 C | -1.12 C |
| 1979 | 8.5 C | -1.57 C |
| 1980 | 10.3 C | +0.14 C |
| 1981 | 10.4 C | +0.32 C |
| 1982 | 8.6 C | -1.48 C |
| 1984 | 9.8 C | -0.29 C |
| 1985 | 8.8 C | -1.32 C |
| 1986 | 11.3 C | +1.19 C |
| 1989 | 9.3 C | -0.80 C |
| 1990 | 10.9 C | +0.80 C |
| 1991 | 10.7 C | +0.63 C |
| 1992 | 10.6 C | +0.48 C |
| 1993 | 9.2 C | -0.92 C |
| 1994 | 9.7 C | -0.37 C |
| 1995 | 8.8 C | -1.27 C |
| 1996 | 7.8 C | -2.35 C |
| 1997 | 8.9 C | -1.23 C |
| 1998 | 10.8 C | +0.68 C |
| 1999 | 10.0 C | -0.13 C |
| 2000 | 9.6 C | -0.48 C |
| 2001 | 9.7 C | -0.41 C |
| 2002 | 10.0 C | -0.14 C |
| 2003 | 9.4 C | -0.71 C |
| 2004 | 9.8 C | -0.34 C |
| 2005 | 10.6 C | +0.45 C |
| 2007 | 10.1 C | -0.04 C |
| 2008 | 8.2 C | -1.93 C |
| 2009 | 8.8 C | -1.36 C |
| 2010 | 9.4 C | -0.72 C |
| 2011 | 9.6 C | -0.56 C |
| 2012 | 11.8 C | +1.71 C |
| 2013 | 8.8 C | -1.34 C |
| 2014 | 8.3 C | -1.78 C |
| 2015 | 10.2 C | +0.10 C |
| 2016 | 11.3 C | +1.23 C |
| 2019 | 9.0 C | -1.08 C |
| 2020 | 10.4 C | +0.30 C |
| 2021 | 10.6 C | +0.48 C |
The annual mean temperature here has fallen by 0.05 C (0.00 to 0.10) per decade over 1894 to 2021. In Fahrenheit: 0.09 F (0.00 to 0.17) per decade. The slope is a straight line fitted to 117 complete years; the brackets give its 95 percent interval.
| Measure | Per decade (C) | Per decade (F) | Period | Complete years | Reading |
|---|---|---|---|---|---|
| Annual mean temperature | -0.05 C (-0.10 to 0.00) per decade | -0.09 F (-0.17 to 0.00) per decade | 1894 to 2021 | 117 | Fall |
| Mean daily maximum | -0.02 C (-0.08 to 0.03) per decade | -0.04 F (-0.14 to 0.06) per decade | 1894 to 2021 | 117 | Not clearly different from zero |
| Mean daily minimum | -0.08 C (-0.12 to -0.03) per decade | -0.1 F (-0.2 to -0.1) per decade | 1894 to 2021 | 117 | Fall |
A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.
Extremes by Year
1893 to 2026| Measure | Record | Year of the record | Median year | Years with a value |
|---|---|---|---|---|
| Hottest day (TXx) | 45.0 C (113.0 F) | 1934 | 36.7 C (98.1 F) | 130 |
| Coldest night (TNn) | -37.2 C (-35.0 F) | 1996 | -26.4 C (-15.5 F) | 130 |
| Wettest day (Rx1day) | 226.1 mm (8.9 in) | 1977 | 64.3 mm (2.5 in) | 133 |
| Wettest five days (Rx5day) | 279.9 mm (11.0 in) | 1977 | 94.2 mm (3.7 in) | 133 |
| Longest dry spell (CDD) | 63 days | 1952 | 24 days | 133 |
Hottest day (TXx)
| Year | Hottest day (TXx) |
|---|---|
| 1893 | 33.9 C (93.0 F) |
| 1894 | 40.6 C (105.1 F) |
| 1895 | 35.6 C (96.1 F) |
| 1896 | 35.0 C (95.0 F) |
| 1897 | 36.7 C (98.1 F) |
| 1898 | 36.7 C (98.1 F) |
| 1899 | 37.2 C (99.0 F) |
| 1900 | 34.4 C (93.9 F) |
| 1901 | 42.8 C (109.0 F) |
| 1902 | 34.4 C (93.9 F) |
| 1903 | 34.4 C (93.9 F) |
| 1904 | 34.4 C (93.9 F) |
| 1905 | 35.0 C (95.0 F) |
| 1906 | 35.6 C (96.1 F) |
| 1907 | 33.9 C (93.0 F) |
| 1908 | 36.1 C (97.0 F) |
| 1909 | 35.6 C (96.1 F) |
| 1910 | 36.7 C (98.1 F) |
| 1911 | 40.6 C (105.1 F) |
| 1912 | 36.7 C (98.1 F) |
| 1913 | 39.4 C (102.9 F) |
| 1914 | 38.9 C (102.0 F) |
| 1915 | 33.3 C (91.9 F) |
| 1916 | 37.8 C (100.0 F) |
| 1917 | 37.8 C (100.0 F) |
| 1918 | 43.9 C (111.0 F) |
| 1919 | 37.2 C (99.0 F) |
| 1920 | 34.4 C (93.9 F) |
| 1921 | 37.2 C (99.0 F) |
| 1922 | 35.6 C (96.1 F) |
| 1923 | 36.1 C (97.0 F) |
| 1924 | 36.1 C (97.0 F) |
| 1925 | 39.4 C (102.9 F) |
| 1926 | 36.7 C (98.1 F) |
| 1927 | 38.3 C (100.9 F) |
| 1928 | 34.4 C (93.9 F) |
| 1929 | 36.1 C (97.0 F) |
| 1930 | 42.2 C (108.0 F) |
| 1931 | 40.0 C (104.0 F) |
| 1932 | 37.2 C (99.0 F) |
| 1933 | 39.4 C (102.9 F) |
| 1934 | 45.0 C (113.0 F) |
| 1935 | 37.2 C (99.0 F) |
| 1936 | 43.9 C (111.0 F) |
| 1937 | 37.8 C (100.0 F) |
| 1938 | 38.9 C (102.0 F) |
| 1939 | 41.1 C (106.0 F) |
| 1940 | 41.7 C (107.1 F) |
| 1941 | 40.6 C (105.1 F) |
| 1942 | 36.1 C (97.0 F) |
| 1943 | 36.1 C (97.0 F) |
| 1944 | 38.9 C (102.0 F) |
| 1945 | 37.8 C (100.0 F) |
| 1946 | 36.7 C (98.1 F) |
| 1947 | 40.0 C (104.0 F) |
| 1948 | 38.9 C (102.0 F) |
| 1949 | 36.7 C (98.1 F) |
| 1950 | 35.0 C (95.0 F) |
| 1951 | 36.7 C (98.1 F) |
| 1952 | 38.3 C (100.9 F) |
| 1953 | 38.3 C (100.9 F) |
| 1954 | 41.7 C (107.1 F) |
| 1955 | 41.1 C (106.0 F) |
| 1956 | 40.6 C (105.1 F) |
| 1957 | 38.9 C (102.0 F) |
| 1958 | 35.6 C (96.1 F) |
| 1959 | 35.0 C (95.0 F) |
| 1960 | 37.2 C (99.0 F) |
| 1961 | 33.9 C (93.0 F) |
| 1962 | 35.0 C (95.0 F) |
| 1963 | 36.7 C (98.1 F) |
| 1964 | 37.2 C (99.0 F) |
| 1965 | 36.7 C (98.1 F) |
| 1966 | 37.2 C (99.0 F) |
| 1967 | 35.6 C (96.1 F) |
| 1968 | 36.1 C (97.0 F) |
| 1969 | 34.4 C (93.9 F) |
| 1970 | 37.2 C (99.0 F) |
| 1971 | 36.7 C (98.1 F) |
| 1972 | 35.6 C (96.1 F) |
| 1973 | 35.6 C (96.1 F) |
| 1974 | 40.0 C (104.0 F) |
| 1975 | 37.2 C (99.0 F) |
| 1976 | 36.7 C (98.1 F) |
| 1977 | 38.3 C (100.9 F) |
| 1978 | 36.1 C (97.0 F) |
| 1979 | 36.1 C (97.0 F) |
| 1980 | 39.4 C (102.9 F) |
| 1981 | 36.1 C (97.0 F) |
| 1982 | 35.6 C (96.1 F) |
| 1983 | 40.6 C (105.1 F) |
| 1984 | 38.3 C (100.9 F) |
| 1985 | 36.7 C (98.1 F) |
| 1986 | 34.4 C (93.9 F) |
| 1987 | 37.2 C (99.0 F) |
| 1988 | 40.6 C (105.1 F) |
| 1989 | 38.3 C (100.9 F) |
| 1990 | 36.1 C (97.0 F) |
| 1991 | 35.6 C (96.1 F) |
| 1992 | 32.8 C (91.0 F) |
| 1993 | 33.3 C (91.9 F) |
| 1994 | 35.6 C (96.1 F) |
| 1995 | 36.7 C (98.1 F) |
| 1996 | 33.9 C (93.0 F) |
| 1997 | 35.6 C (96.1 F) |
| 1998 | 35.0 C (95.0 F) |
| 1999 | 37.2 C (99.0 F) |
| 2000 | 36.1 C (97.0 F) |
| 2001 | 35.0 C (95.0 F) |
| 2002 | 35.6 C (96.1 F) |
| 2003 | 37.8 C (100.0 F) |
| 2004 | 32.8 C (91.0 F) |
| 2005 | 35.6 C (96.1 F) |
| 2006 | 36.7 C (98.1 F) |
| 2007 | 33.3 C (91.9 F) |
| 2008 | 34.4 C (93.9 F) |
| 2009 | 36.7 C (98.1 F) |
| 2010 | 35.0 C (95.0 F) |
| 2011 | 36.7 C (98.1 F) |
| 2012 | 40.6 C (105.1 F) |
| 2013 | 37.2 C (99.0 F) |
| 2014 | 33.3 C (91.9 F) |
| 2015 | 35.0 C (95.0 F) |
| 2016 | 34.4 C (93.9 F) |
| 2017 | 37.8 C (100.0 F) |
| 2018 | 36.7 C (98.1 F) |
| 2019 | 35.0 C (95.0 F) |
| 2020 | 35.0 C (95.0 F) |
| 2021 | 37.2 C (99.0 F) |
| 2022 | 37.2 C (99.0 F) |
| 2024 | n/a |
| 2025 | n/a |
| 2026 | n/a |
Coldest night (TNn)
| Year | Coldest night (TNn) |
|---|---|
| 1893 | -27.2 C (-17.0 F) |
| 1894 | -31.7 C (-25.1 F) |
| 1895 | -30.0 C (-22.0 F) |
| 1896 | -24.4 C (-11.9 F) |
| 1897 | -27.8 C (-18.0 F) |
| 1898 | -24.4 C (-11.9 F) |
| 1899 | -31.7 C (-25.1 F) |
| 1900 | -24.4 C (-11.9 F) |
| 1901 | -28.3 C (-18.9 F) |
| 1902 | -28.9 C (-20.0 F) |
| 1903 | -25.0 C (-13.0 F) |
| 1904 | -28.3 C (-18.9 F) |
| 1905 | -33.3 C (-27.9 F) |
| 1906 | -24.4 C (-11.9 F) |
| 1907 | -24.4 C (-11.9 F) |
| 1908 | -22.2 C (-8.0 F) |
| 1909 | -26.1 C (-15.0 F) |
| 1910 | -25.0 C (-13.0 F) |
| 1911 | -26.7 C (-16.1 F) |
| 1912 | -35.6 C (-32.1 F) |
| 1913 | -24.4 C (-11.9 F) |
| 1914 | -25.6 C (-14.1 F) |
| 1915 | -28.9 C (-20.0 F) |
| 1916 | -30.0 C (-22.0 F) |
| 1917 | -30.6 C (-23.1 F) |
| 1918 | -29.4 C (-20.9 F) |
| 1919 | -28.3 C (-18.9 F) |
| 1920 | -21.7 C (-7.1 F) |
| 1921 | -22.8 C (-9.0 F) |
| 1922 | -23.9 C (-11.0 F) |
| 1923 | -23.9 C (-11.0 F) |
| 1924 | -32.2 C (-26.0 F) |
| 1925 | -24.4 C (-11.9 F) |
| 1926 | -23.9 C (-11.0 F) |
| 1927 | -26.1 C (-15.0 F) |
| 1928 | -22.8 C (-9.0 F) |
| 1929 | -27.2 C (-17.0 F) |
| 1930 | -30.6 C (-23.1 F) |
| 1931 | -18.9 C (-2.0 F) |
| 1932 | -28.9 C (-20.0 F) |
| 1933 | -29.4 C (-20.9 F) |
| 1934 | -24.4 C (-11.9 F) |
| 1935 | -25.0 C (-13.0 F) |
| 1936 | -30.0 C (-22.0 F) |
| 1937 | -22.2 C (-8.0 F) |
| 1938 | -23.3 C (-9.9 F) |
| 1939 | -22.2 C (-8.0 F) |
| 1940 | -29.4 C (-20.9 F) |
| 1941 | -20.6 C (-5.1 F) |
| 1942 | -29.4 C (-20.9 F) |
| 1943 | -28.9 C (-20.0 F) |
| 1944 | -26.1 C (-15.0 F) |
| 1945 | -22.8 C (-9.0 F) |
| 1946 | -23.9 C (-11.0 F) |
| 1947 | -26.1 C (-15.0 F) |
| 1948 | -25.6 C (-14.1 F) |
| 1949 | -26.7 C (-16.1 F) |
| 1950 | -23.3 C (-9.9 F) |
| 1951 | -26.7 C (-16.1 F) |
| 1952 | -24.4 C (-11.9 F) |
| 1953 | -21.7 C (-7.1 F) |
| 1954 | -25.6 C (-14.1 F) |
| 1955 | -25.6 C (-14.1 F) |
| 1956 | -24.4 C (-11.9 F) |
| 1957 | -26.7 C (-16.1 F) |
| 1958 | -28.3 C (-18.9 F) |
| 1959 | -26.1 C (-15.0 F) |
| 1960 | -26.7 C (-16.1 F) |
| 1961 | -25.6 C (-14.1 F) |
| 1962 | -28.9 C (-20.0 F) |
| 1963 | -28.9 C (-20.0 F) |
| 1964 | -22.8 C (-9.0 F) |
| 1965 | -26.1 C (-15.0 F) |
| 1966 | -30.0 C (-22.0 F) |
| 1967 | -26.1 C (-15.0 F) |
| 1968 | -28.3 C (-18.9 F) |
| 1969 | -24.4 C (-11.9 F) |
| 1970 | -33.3 C (-27.9 F) |
| 1971 | -32.8 C (-27.0 F) |
| 1972 | -32.2 C (-26.0 F) |
| 1973 | -25.0 C (-13.0 F) |
| 1974 | -31.7 C (-25.1 F) |
| 1975 | -28.9 C (-20.0 F) |
| 1976 | -26.7 C (-16.1 F) |
| 1977 | -31.1 C (-24.0 F) |
| 1978 | -30.0 C (-22.0 F) |
| 1979 | -36.1 C (-33.0 F) |
| 1980 | -27.2 C (-17.0 F) |
| 1981 | -27.2 C (-17.0 F) |
| 1982 | -33.3 C (-27.9 F) |
| 1983 | -29.4 C (-20.9 F) |
| 1984 | -29.4 C (-20.9 F) |
| 1985 | -26.1 C (-15.0 F) |
| 1986 | -23.3 C (-9.9 F) |
| 1987 | -22.8 C (-9.0 F) |
| 1988 | -19.4 C (-2.9 F) |
| 1989 | -32.2 C (-26.0 F) |
| 1990 | -23.9 C (-11.0 F) |
| 1991 | -25.6 C (-14.1 F) |
| 1992 | -22.2 C (-8.0 F) |
| 1993 | -25.0 C (-13.0 F) |
| 1994 | -27.8 C (-18.0 F) |
| 1995 | -23.9 C (-11.0 F) |
| 1996 | -37.2 C (-35.0 F) |
| 1997 | -27.2 C (-17.0 F) |
| 1998 | -25.6 C (-14.1 F) |
| 1999 | -30.0 C (-22.0 F) |
| 2000 | -27.2 C (-17.0 F) |
| 2001 | -27.2 C (-17.0 F) |
| 2002 | -22.2 C (-8.0 F) |
| 2003 | -23.3 C (-9.9 F) |
| 2004 | -25.0 C (-13.0 F) |
| 2005 | -24.4 C (-11.9 F) |
| 2006 | -22.8 C (-9.0 F) |
| 2007 | -24.4 C (-11.9 F) |
| 2008 | -27.8 C (-18.0 F) |
| 2009 | -30.0 C (-22.0 F) |
| 2010 | -29.4 C (-20.9 F) |
| 2011 | -25.6 C (-14.1 F) |
| 2012 | -19.4 C (-2.9 F) |
| 2013 | -29.4 C (-20.9 F) |
| 2014 | -27.8 C (-18.0 F) |
| 2015 | -27.2 C (-17.0 F) |
| 2016 | -26.1 C (-15.0 F) |
| 2017 | -26.7 C (-16.1 F) |
| 2018 | -30.6 C (-23.1 F) |
| 2019 | -36.1 C (-33.0 F) |
| 2020 | -24.4 C (-11.9 F) |
| 2021 | -31.1 C (-24.0 F) |
| 2022 | -26.1 C (-15.0 F) |
| 2024 | n/a |
| 2025 | n/a |
| 2026 | n/a |
Wettest day (Rx1day)
| Year | Wettest day (Rx1day) |
|---|---|
| 1893 | 63.5 mm (2.5 in) |
| 1894 | 33.0 mm (1.3 in) |
| 1895 | 67.3 mm (2.6 in) |
| 1896 | 61.0 mm (2.4 in) |
| 1897 | 55.4 mm (2.2 in) |
| 1898 | 66.0 mm (2.6 in) |
| 1899 | 52.1 mm (2.1 in) |
| 1900 | 114.0 mm (4.5 in) |
| 1901 | 59.9 mm (2.4 in) |
| 1902 | 88.6 mm (3.5 in) |
| 1903 | 68.6 mm (2.7 in) |
| 1904 | 81.0 mm (3.2 in) |
| 1905 | 51.6 mm (2.0 in) |
| 1906 | 61.0 mm (2.4 in) |
| 1907 | 45.2 mm (1.8 in) |
| 1908 | 116.8 mm (4.6 in) |
| 1909 | 172.7 mm (6.8 in) |
| 1910 | 33.0 mm (1.3 in) |
| 1911 | 56.9 mm (2.2 in) |
| 1912 | 86.4 mm (3.4 in) |
| 1913 | 67.8 mm (2.7 in) |
| 1914 | 104.4 mm (4.1 in) |
| 1915 | 68.6 mm (2.7 in) |
| 1916 | 59.4 mm (2.3 in) |
| 1917 | 49.3 mm (1.9 in) |
| 1918 | 61.2 mm (2.4 in) |
| 1919 | 64.8 mm (2.6 in) |
| 1920 | 54.1 mm (2.1 in) |
| 1921 | 59.7 mm (2.4 in) |
| 1922 | 74.2 mm (2.9 in) |
| 1923 | 39.9 mm (1.6 in) |
| 1924 | 65.3 mm (2.6 in) |
| 1925 | 49.3 mm (1.9 in) |
| 1926 | 104.9 mm (4.1 in) |
| 1927 | 40.1 mm (1.6 in) |
| 1928 | 75.2 mm (3.0 in) |
| 1929 | 48.3 mm (1.9 in) |
| 1930 | 75.4 mm (3.0 in) |
| 1931 | 78.7 mm (3.1 in) |
| 1932 | 51.1 mm (2.0 in) |
| 1933 | 68.3 mm (2.7 in) |
| 1934 | 37.6 mm (1.5 in) |
| 1935 | 81.0 mm (3.2 in) |
| 1936 | 57.7 mm (2.3 in) |
| 1937 | 34.8 mm (1.4 in) |
| 1938 | 62.7 mm (2.5 in) |
| 1939 | 72.4 mm (2.9 in) |
| 1940 | 47.8 mm (1.9 in) |
| 1941 | 93.5 mm (3.7 in) |
| 1942 | 68.3 mm (2.7 in) |
| 1943 | 67.3 mm (2.6 in) |
| 1944 | 96.3 mm (3.8 in) |
| 1945 | 52.3 mm (2.1 in) |
| 1946 | 73.7 mm (2.9 in) |
| 1947 | 143.8 mm (5.7 in) |
| 1948 | 58.4 mm (2.3 in) |
| 1949 | 44.5 mm (1.8 in) |
| 1950 | 64.3 mm (2.5 in) |
| 1951 | 61.7 mm (2.4 in) |
| 1952 | 106.9 mm (4.2 in) |
| 1953 | 51.8 mm (2.0 in) |
| 1954 | 71.6 mm (2.8 in) |
| 1955 | 55.9 mm (2.2 in) |
| 1956 | 41.4 mm (1.6 in) |
| 1957 | 34.3 mm (1.4 in) |
| 1958 | 63.5 mm (2.5 in) |
| 1959 | 137.7 mm (5.4 in) |
| 1960 | 62.2 mm (2.4 in) |
| 1961 | 86.4 mm (3.4 in) |
| 1962 | 68.6 mm (2.7 in) |
| 1963 | 76.2 mm (3.0 in) |
| 1964 | 38.9 mm (1.5 in) |
| 1965 | 61.7 mm (2.4 in) |
| 1966 | 50.3 mm (2.0 in) |
| 1967 | 38.1 mm (1.5 in) |
| 1968 | 53.8 mm (2.1 in) |
| 1969 | 53.8 mm (2.1 in) |
| 1970 | 59.7 mm (2.4 in) |
| 1971 | 69.6 mm (2.7 in) |
| 1972 | 51.3 mm (2.0 in) |
| 1973 | 100.3 mm (3.9 in) |
| 1974 | 79.5 mm (3.1 in) |
| 1975 | 45.2 mm (1.8 in) |
| 1976 | 46.2 mm (1.8 in) |
| 1977 | 226.1 mm (8.9 in) |
| 1978 | 84.1 mm (3.3 in) |
| 1979 | 70.4 mm (2.8 in) |
| 1980 | 63.8 mm (2.5 in) |
| 1981 | 59.7 mm (2.4 in) |
| 1982 | 105.7 mm (4.2 in) |
| 1983 | 29.5 mm (1.2 in) |
| 1984 | 71.6 mm (2.8 in) |
| 1985 | 68.6 mm (2.7 in) |
| 1986 | 41.7 mm (1.6 in) |
| 1987 | 48.8 mm (1.9 in) |
| 1988 | 38.1 mm (1.5 in) |
| 1989 | 53.3 mm (2.1 in) |
| 1990 | 104.9 mm (4.1 in) |
| 1991 | 54.4 mm (2.1 in) |
| 1992 | 68.8 mm (2.7 in) |
| 1993 | 85.9 mm (3.4 in) |
| 1994 | 30.7 mm (1.2 in) |
| 1995 | 41.4 mm (1.6 in) |
| 1996 | 67.1 mm (2.6 in) |
| 1997 | 77.2 mm (3.0 in) |
| 1998 | 66.8 mm (2.6 in) |
| 1999 | 53.8 mm (2.1 in) |
| 2000 | 46.7 mm (1.8 in) |
| 2001 | 71.6 mm (2.8 in) |
| 2002 | 63.5 mm (2.5 in) |
| 2003 | 109.5 mm (4.3 in) |
| 2004 | 73.2 mm (2.9 in) |
| 2005 | 53.3 mm (2.1 in) |
| 2006 | 60.7 mm (2.4 in) |
| 2007 | 66.8 mm (2.6 in) |
| 2008 | 104.4 mm (4.1 in) |
| 2009 | 51.3 mm (2.0 in) |
| 2010 | 70.1 mm (2.8 in) |
| 2011 | 129.5 mm (5.1 in) |
| 2012 | 48.3 mm (1.9 in) |
| 2013 | 86.6 mm (3.4 in) |
| 2014 | 118.9 mm (4.7 in) |
| 2015 | 142.5 mm (5.6 in) |
| 2016 | 83.1 mm (3.3 in) |
| 2017 | 59.2 mm (2.3 in) |
| 2018 | 75.9 mm (3.0 in) |
| 2019 | 81.8 mm (3.2 in) |
| 2020 | 87.6 mm (3.4 in) |
| 2021 | 61.2 mm (2.4 in) |
| 2022 | 36.6 mm (1.4 in) |
| 2024 | 89.2 mm (3.5 in) |
| 2025 | 64.8 mm (2.6 in) |
| 2026 | 133.1 mm (5.2 in) |
Wettest five days (Rx5day)
| Year | Wettest five days (Rx5day) |
|---|---|
| 1893 | 117.1 mm (4.6 in) |
| 1894 | 69.9 mm (2.8 in) |
| 1895 | 69.8 mm (2.7 in) |
| 1896 | 99.8 mm (3.9 in) |
| 1897 | 91.9 mm (3.6 in) |
| 1898 | 87.8 mm (3.5 in) |
| 1899 | 114.4 mm (4.5 in) |
| 1900 | 156.7 mm (6.2 in) |
| 1901 | 61.9 mm (2.4 in) |
| 1902 | 136.4 mm (5.4 in) |
| 1903 | 123.5 mm (4.9 in) |
| 1904 | 175.3 mm (6.9 in) |
| 1905 | 78.0 mm (3.1 in) |
| 1906 | 93.2 mm (3.7 in) |
| 1907 | 77.0 mm (3.0 in) |
| 1908 | 192.2 mm (7.6 in) |
| 1909 | 185.1 mm (7.3 in) |
| 1910 | 63.0 mm (2.5 in) |
| 1911 | 83.8 mm (3.3 in) |
| 1912 | 93.5 mm (3.7 in) |
| 1913 | 108.2 mm (4.3 in) |
| 1914 | 183.7 mm (7.2 in) |
| 1915 | 87.7 mm (3.5 in) |
| 1916 | 70.3 mm (2.8 in) |
| 1917 | 109.8 mm (4.3 in) |
| 1918 | 90.9 mm (3.6 in) |
| 1919 | 133.2 mm (5.2 in) |
| 1920 | 82.8 mm (3.3 in) |
| 1921 | 93.4 mm (3.7 in) |
| 1922 | 119.4 mm (4.7 in) |
| 1923 | 82.3 mm (3.2 in) |
| 1924 | 104.4 mm (4.1 in) |
| 1925 | 74.1 mm (2.9 in) |
| 1926 | 154.4 mm (6.1 in) |
| 1927 | 70.1 mm (2.8 in) |
| 1928 | 102.1 mm (4.0 in) |
| 1929 | 74.0 mm (2.9 in) |
| 1930 | 83.2 mm (3.3 in) |
| 1931 | 96.0 mm (3.8 in) |
| 1932 | 107.3 mm (4.2 in) |
| 1933 | 82.7 mm (3.3 in) |
| 1934 | 74.9 mm (2.9 in) |
| 1935 | 143.5 mm (5.6 in) |
| 1936 | 69.1 mm (2.7 in) |
| 1937 | 56.6 mm (2.2 in) |
| 1938 | 89.7 mm (3.5 in) |
| 1939 | 97.3 mm (3.8 in) |
| 1940 | 97.4 mm (3.8 in) |
| 1941 | 132.1 mm (5.2 in) |
| 1942 | 83.9 mm (3.3 in) |
| 1943 | 85.6 mm (3.4 in) |
| 1944 | 140.2 mm (5.5 in) |
| 1945 | 73.6 mm (2.9 in) |
| 1946 | 141.5 mm (5.6 in) |
| 1947 | 106.5 mm (4.2 in) |
| 1948 | 71.2 mm (2.8 in) |
| 1949 | 72.4 mm (2.9 in) |
| 1950 | 87.4 mm (3.4 in) |
| 1951 | 78.2 mm (3.1 in) |
| 1952 | 107.4 mm (4.2 in) |
| 1953 | 85.3 mm (3.4 in) |
| 1954 | 140.7 mm (5.5 in) |
| 1955 | 90.4 mm (3.6 in) |
| 1956 | 50.4 mm (2.0 in) |
| 1957 | 63.1 mm (2.5 in) |
| 1958 | 104.7 mm (4.1 in) |
| 1959 | 163.3 mm (6.4 in) |
| 1960 | 83.5 mm (3.3 in) |
| 1961 | 128.4 mm (5.1 in) |
| 1962 | 94.8 mm (3.7 in) |
| 1963 | 98.0 mm (3.9 in) |
| 1964 | 78.5 mm (3.1 in) |
| 1965 | 92.0 mm (3.6 in) |
| 1966 | 86.4 mm (3.4 in) |
| 1967 | 87.8 mm (3.5 in) |
| 1968 | 81.0 mm (3.2 in) |
| 1969 | 91.9 mm (3.6 in) |
| 1970 | 142.5 mm (5.6 in) |
| 1971 | 107.2 mm (4.2 in) |
| 1972 | 165.3 mm (6.5 in) |
| 1973 | 108.7 mm (4.3 in) |
| 1974 | 83.8 mm (3.3 in) |
| 1975 | 69.3 mm (2.7 in) |
| 1976 | 107.2 mm (4.2 in) |
| 1977 | 279.9 mm (11.0 in) |
| 1978 | 134.4 mm (5.3 in) |
| 1979 | 76.8 mm (3.0 in) |
| 1980 | 126.3 mm (5.0 in) |
| 1981 | 101.6 mm (4.0 in) |
| 1982 | 138.7 mm (5.5 in) |
| 1983 | 46.0 mm (1.8 in) |
| 1984 | 74.6 mm (2.9 in) |
| 1985 | 100.9 mm (4.0 in) |
| 1986 | 64.8 mm (2.6 in) |
| 1987 | 117.4 mm (4.6 in) |
| 1988 | 48.8 mm (1.9 in) |
| 1989 | 87.1 mm (3.4 in) |
| 1990 | 174.0 mm (6.9 in) |
| 1991 | 71.7 mm (2.8 in) |
| 1992 | 85.1 mm (3.4 in) |
| 1993 | 113.3 mm (4.5 in) |
| 1994 | 49.5 mm (1.9 in) |
| 1995 | 82.8 mm (3.3 in) |
| 1996 | 125.9 mm (5.0 in) |
| 1997 | 86.4 mm (3.4 in) |
| 1998 | 78.5 mm (3.1 in) |
| 1999 | 84.8 mm (3.3 in) |
| 2000 | 81.8 mm (3.2 in) |
| 2001 | 112.3 mm (4.4 in) |
| 2002 | 92.0 mm (3.6 in) |
| 2003 | 127.6 mm (5.0 in) |
| 2004 | 94.2 mm (3.7 in) |
| 2005 | 105.9 mm (4.2 in) |
| 2006 | 83.0 mm (3.3 in) |
| 2007 | 131.6 mm (5.2 in) |
| 2008 | 138.8 mm (5.5 in) |
| 2009 | 110.0 mm (4.3 in) |
| 2010 | 136.6 mm (5.4 in) |
| 2011 | 200.6 mm (7.9 in) |
| 2012 | 70.2 mm (2.8 in) |
| 2013 | 97.7 mm (3.8 in) |
| 2014 | 129.9 mm (5.1 in) |
| 2015 | 193.8 mm (7.6 in) |
| 2016 | 101.9 mm (4.0 in) |
| 2017 | 61.2 mm (2.4 in) |
| 2018 | 161.4 mm (6.4 in) |
| 2019 | 120.0 mm (4.7 in) |
| 2020 | 92.8 mm (3.7 in) |
| 2021 | 107.9 mm (4.2 in) |
| 2022 | 96.3 mm (3.8 in) |
| 2024 | 180.3 mm (7.1 in) |
| 2025 | 82.6 mm (3.3 in) |
| 2026 | 151.1 mm (5.9 in) |
Longest dry spell (CDD)
| Year | Longest dry spell (CDD) |
|---|---|
| 1893 | 18 days |
| 1894 | 34 days |
| 1895 | 51 days |
| 1896 | 22 days |
| 1897 | 23 days |
| 1898 | 22 days |
| 1899 | 30 days |
| 1900 | 19 days |
| 1901 | 31 days |
| 1902 | 19 days |
| 1903 | 33 days |
| 1904 | 52 days |
| 1905 | 25 days |
| 1906 | 30 days |
| 1907 | 25 days |
| 1908 | 25 days |
| 1909 | 16 days |
| 1910 | 27 days |
| 1911 | 21 days |
| 1912 | 26 days |
| 1913 | 28 days |
| 1914 | 21 days |
| 1915 | 26 days |
| 1916 | 25 days |
| 1917 | 33 days |
| 1918 | 36 days |
| 1919 | 35 days |
| 1920 | 16 days |
| 1921 | 22 days |
| 1922 | 17 days |
| 1923 | 25 days |
| 1924 | 21 days |
| 1925 | 30 days |
| 1926 | 18 days |
| 1927 | 30 days |
| 1928 | 22 days |
| 1929 | 19 days |
| 1930 | 20 days |
| 1931 | 27 days |
| 1932 | 30 days |
| 1933 | 31 days |
| 1934 | 35 days |
| 1935 | 17 days |
| 1936 | 23 days |
| 1937 | 20 days |
| 1938 | 23 days |
| 1939 | 24 days |
| 1940 | 21 days |
| 1941 | 18 days |
| 1942 | 31 days |
| 1943 | 26 days |
| 1944 | 28 days |
| 1945 | 22 days |
| 1946 | 42 days |
| 1947 | 27 days |
| 1948 | 22 days |
| 1949 | 21 days |
| 1950 | 28 days |
| 1951 | 17 days |
| 1952 | 63 days |
| 1953 | 24 days |
| 1954 | 49 days |
| 1955 | 37 days |
| 1956 | 23 days |
| 1957 | 40 days |
| 1958 | 31 days |
| 1959 | 18 days |
| 1960 | 17 days |
| 1961 | 23 days |
| 1962 | 17 days |
| 1963 | 29 days |
| 1964 | 21 days |
| 1965 | 20 days |
| 1966 | 23 days |
| 1967 | 24 days |
| 1968 | 26 days |
| 1969 | 36 days |
| 1970 | 21 days |
| 1971 | 31 days |
| 1972 | 22 days |
| 1973 | 19 days |
| 1974 | 24 days |
| 1975 | 24 days |
| 1976 | 34 days |
| 1977 | 30 days |
| 1978 | 18 days |
| 1979 | 22 days |
| 1980 | 29 days |
| 1981 | 31 days |
| 1982 | 16 days |
| 1983 | 22 days |
| 1984 | 19 days |
| 1985 | 22 days |
| 1986 | 30 days |
| 1987 | 19 days |
| 1988 | 26 days |
| 1989 | 27 days |
| 1990 | 19 days |
| 1991 | 24 days |
| 1992 | 34 days |
| 1993 | 24 days |
| 1994 | 45 days |
| 1995 | 23 days |
| 1996 | 20 days |
| 1997 | 24 days |
| 1998 | 23 days |
| 1999 | 49 days |
| 2000 | 21 days |
| 2001 | 14 days |
| 2002 | 42 days |
| 2003 | 19 days |
| 2004 | 22 days |
| 2005 | 31 days |
| 2006 | 21 days |
| 2007 | 27 days |
| 2008 | 17 days |
| 2009 | 24 days |
| 2010 | 28 days |
| 2011 | 18 days |
| 2012 | 28 days |
| 2013 | 16 days |
| 2014 | 23 days |
| 2015 | 26 days |
| 2016 | 21 days |
| 2017 | 26 days |
| 2018 | 26 days |
| 2019 | 21 days |
| 2020 | 24 days |
| 2021 | 34 days |
| 2022 | 24 days |
| 2024 | 19 days |
| 2025 | 19 days |
| 2026 | 35 days |
Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.
Frost Dates and Growing Season
117 years with a frostAcross 117 years with a frost, the median last spring frost at Indianola 1SW falls on 27 April and the median first autumn frost on 9 October, which leaves a median of 163 days between them.
In 1989 to 2021 the median growing season was 164 days. That is 4 days fewer than in 1894 to 1928.
Fitted over all years, the growing season changes by -0.8 days per decade at this station.
| Measure | Median, all years | Earliest period (1894 to 1928) | Recent period (1989 to 2021) | Recent against earliest | Fitted trend |
|---|---|---|---|---|---|
| Last spring frost | 27 April | 23 April | 28 April | 5 days later | +0.2 days per decade |
| First autumn frost | 9 October | 12 October | 8 October | 4 days earlier | -0.5 days per decade |
| Growing days | 163 days | 168 days | 164 days | 4 days fewer | -0.8 days per decade |
A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.
Rainfall Return Levels
121 years, 1894 to 2025A day with at least 64.0 mm (2.5 in) of rain is expected about once in 2 years. A day with at least 168.5 mm (6.6 in) of rain is expected about once in 100 years.
| Expected about once in | A day with at least | Note |
|---|---|---|
| 2 years | 64.0 mm (2.5 in) | |
| 5 years | 86.4 mm (3.4 in) | |
| 10 years | 103.2 mm (4.1 in) | |
| 25 years | 127.1 mm (5.0 in) | |
| 50 years | 146.9 mm (5.8 in) | |
| 100 years | 168.5 mm (6.6 in) |
The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 121 years of values from 1894 to 2025.
A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.
The largest wettest-day totals in the fit: 226.1 mm (8.9 in) in 1977; 172.7 mm (6.8 in) in 1909; 142.5 mm (5.6 in) in 2015.
Station Changes
2 suspected2 changes were suspected in the annual mean temperature of Indianola 1SW, at 1918 and 1944. Each is measured against neighbouring stations.
- Relative to 5 neighbouring stations, the station's annual mean temperature from 1918 ran 0.2 C (0.4 F) lower than in the years before (possible change).
- Relative to 5 neighbouring stations, the station's annual mean temperature from 1944 ran 0.3 C (0.5 F) higher than in the years before (possible change).
| Year | Shift (C) | Shift (F) | Strength | Neighbours |
|---|---|---|---|---|
| 1918 | -0.2 | -0.4 | possible | 5 |
| 1944 | +0.3 | +0.5 | possible | 5 |
Possible change at the station (a move, a new instrument or a new site); the record is kept as measured. A "likely" change has a larger test statistic than a "possible" one. Neither says why the station differs from its neighbours. How changes are found, and the largest ones.
Climate Twins
2004 to 2021 against 1961 to 1990Over 2004 to 2021, Indianola 1SW had a mean temperature of 9.8 C (49.6 F) and 1,006.5 mm (39.6 in) of rain a year. The 3 stations whose 1961 to 1990 climate was closest to that are Moline Quad City Intl AP (United States, 255 km away), Kankakee Wwtp (United States, 476 km away) and Geneseo (United States, 286 km away).
| Twin station | Country | Distance away | Mean temperature, 1961-1990 | Rain a year, 1961-1990 | Climate difference |
|---|---|---|---|---|---|
| Moline Quad City Intl AP | United States | 255 km (158 mi) | 9.8 C (49.6 F) | 992.8 mm (39.1 in) | 0.63 |
| Kankakee Wwtp | United States | 476 km (296 mi) | 9.8 C (49.7 F) | 972.1 mm (38.3 in) | 0.66 |
| Geneseo | United States | 286 km (178 mi) | 9.9 C (49.8 F) | 939.2 mm (37.0 in) | 0.73 |
Twins are stations, not cities. A twin is one of the three stations at least 100 km away whose earlier climate is closest to this station's recent one, so a close match does not mean the two places look alike in other ways. A station move or a gap in a record can change that station's averages. The list describes past climate; it is not a forecast and does not say what caused any change. How twins are found, and a search for any station.
Download the Data
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-14 (14 October 2026). Records are computed by this site and are not official.
Data as of . Last revised (2026-10-14).