Alpena Co Rgnl AP Weather Records (USW00094849)
Record envelope, standing records and threshold days for Alpena Co Rgnl AP (USW00094849), Michigan, United States, with 111 years of record.
Key Facts for Alpena Co Rgnl AP
- Alpena Co Rgnl AP (USW00094849) is a weather station in Michigan, United States at 45.07 latitude and -83.56 longitude, 208 m (683 ft) above sea level.
- The station reports from 1916 to 2026, 111 years of record.
- 1,464 records set at Alpena Co Rgnl AP still stand.
- Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
- Alpena Co Rgnl AP set a daily record precipitation of 31.5 mm (1.2 in) on 15 September 2026 (provisional).
Provisional Records
Records set in the last 60 days are provisional until they clear the revision window.
About the Station
- Location: Michigan, United States, 45.07 latitude, -83.56 longitude.
- Elevation: 208 m (683 ft).
- Period of record: 1916 to 2026, 111 years.
- Eligible elements: tmax, tmin, prcp, snow, snwd.
Daily Record Envelope and 2026
3 days at or beyond a record| Month | Highest record high | Lowest record low | 2026 highest maximum | 2026 lowest minimum |
|---|---|---|---|---|
| Jan | 16.7 C (62.1 F) | -33.3 C (-27.9 F) | 11.7 C (53.1 F) | -27.8 C (-18.0 F) |
| Feb | 21.1 C (70.0 F) | -38.3 C (-36.9 F) | 8.3 C (46.9 F) | -25.6 C (-14.1 F) |
| Mar | 30.6 C (87.1 F) | -32.8 C (-27.0 F) | 20.6 C (69.1 F) | -21.1 C (-6.0 F) |
| Apr | 32.2 C (90.0 F) | -21.7 C (-7.1 F) | 18.9 C (66.0 F) | -8.9 C (16.0 F) |
| May | 34.4 C (93.9 F) | -6.7 C (19.9 F) | 30.6 C (87.1 F) | -3.9 C (25.0 F) |
| Jun | 40.0 C (104.0 F) | -2.8 C (27.0 F) | 33.3 C (91.9 F) | 5.6 C (42.1 F) |
| Jul | 41.1 C (106.0 F) | 1.1 C (34.0 F) | 35.6 C (96.1 F) | 8.9 C (48.0 F) |
| Aug | 38.9 C (102.0 F) | -1.7 C (28.9 F) | 30.0 C (86.0 F) | 8.3 C (46.9 F) |
| Sep | 37.2 C (99.0 F) | -5.0 C (23.0 F) | 30.0 C (86.0 F) | 2.8 C (37.0 F) |
| Oct | 32.2 C (90.0 F) | -11.1 C (12.0 F) | 23.9 C (75.0 F) | -1.1 C (30.0 F) |
| Nov | 25.6 C (78.1 F) | -21.1 C (-6.0 F) | n/a | n/a |
| Dec | 18.3 C (64.9 F) | -32.8 C (-27.0 F) | n/a | n/a |
Which Years Hold Standing Records
1,464 standing records| Year set | Standing records |
|---|---|
| 1916 | 1 |
| 1917 | 32 |
| 1918 | 22 |
| 1919 | 14 |
| 1920 | 10 |
| 1921 | 11 |
| 1922 | 5 |
| 1923 | 30 |
| 1924 | 19 |
| 1925 | 27 |
| 1926 | 22 |
| 1927 | 14 |
| 1928 | 12 |
| 1929 | 22 |
| 1930 | 19 |
| 1931 | 22 |
| 1932 | 11 |
| 1933 | 26 |
| 1934 | 30 |
| 1935 | 13 |
| 1936 | 27 |
| 1937 | 9 |
| 1938 | 14 |
| 1939 | 9 |
| 1940 | 12 |
| 1941 | 14 |
| 1942 | 11 |
| 1943 | 14 |
| 1944 | 11 |
| 1945 | 18 |
| 1946 | 13 |
| 1947 | 24 |
| 1948 | 9 |
| 1949 | 20 |
| 1950 | 17 |
| 1951 | 17 |
| 1952 | 7 |
| 1953 | 21 |
| 1954 | 4 |
| 1955 | 17 |
| 1956 | 6 |
| 1957 | 9 |
| 1958 | 15 |
| 1959 | 10 |
| 1960 | 10 |
| 1961 | 13 |
| 1962 | 15 |
| 1963 | 17 |
| 1964 | 15 |
| 1965 | 24 |
| 1966 | 16 |
| 1967 | 11 |
| 1968 | 14 |
| 1969 | 11 |
| 1970 | 9 |
| 1971 | 6 |
| 1972 | 14 |
| 1973 | 16 |
| 1974 | 13 |
| 1975 | 5 |
| 1976 | 14 |
| 1977 | 12 |
| 1978 | 6 |
| 1979 | 15 |
| 1980 | 11 |
| 1981 | 14 |
| 1982 | 19 |
| 1983 | 14 |
| 1984 | 14 |
| 1985 | 10 |
| 1986 | 10 |
| 1987 | 6 |
| 1988 | 11 |
| 1989 | 19 |
| 1990 | 12 |
| 1991 | 17 |
| 1992 | 10 |
| 1993 | 7 |
| 1994 | 16 |
| 1995 | 8 |
| 1996 | 10 |
| 1997 | 9 |
| 1998 | 11 |
| 1999 | 5 |
| 2000 | 8 |
| 2001 | 16 |
| 2002 | 14 |
| 2003 | 6 |
| 2004 | 8 |
| 2005 | 13 |
| 2006 | 7 |
| 2007 | 12 |
| 2008 | 5 |
| 2009 | 6 |
| 2010 | 8 |
| 2011 | 7 |
| 2012 | 15 |
| 2013 | 9 |
| 2014 | 13 |
| 2015 | 22 |
| 2016 | 10 |
| 2017 | 19 |
| 2018 | 12 |
| 2019 | 7 |
| 2020 | 16 |
| 2021 | 9 |
| 2022 | 8 |
| 2023 | 12 |
| 2024 | 10 |
| 2025 | 8 |
| 2026 | 5 |
All-Time Record Progression
2 new records| Date | Kind | Detail |
|---|---|---|
| 1979-02-17 | Record low minimum temperature | Record low minimum temperature -38.3 C (-36.9 F) |
| 2025-06-23 | Record high minimum temperature | Record high minimum temperature 26.1 C (79.0 F) |
Wettest Day of Each Month
Sep: 130.6 mm (5.1 in)| Month | Record daily precipitation (mm) | Date |
|---|---|---|
| Jan | 46.5 mm (1.8 in) | 26 January 1978 |
| Feb | 72.6 mm (2.9 in) | 22 February 1922 |
| Mar | 47.2 mm (1.9 in) | 31 March 2016 |
| Apr | 56.9 mm (2.2 in) | 12 April 2026 |
| May | 56.1 mm (2.2 in) | 6 May 1965 |
| Jun | 64.0 mm (2.5 in) | 12 June 1969 |
| Jul | 91.2 mm (3.6 in) | 26 July 2020 |
| Aug | 75.2 mm (3.0 in) | 31 August 1941 |
| Sep | 130.6 mm (5.1 in) | 3 September 1937 |
| Oct | 87.4 mm (3.4 in) | 6 October 1998 |
| Nov | 58.4 mm (2.3 in) | 7 November 1924 |
| Dec | 57.9 mm (2.3 in) | 28 December 1946 |
Period of Record Coverage
1916 to 2026| Year | Days with data | Share of year | Complete |
|---|---|---|---|
| 1916 | 71 | 19% | No |
| 1917 | 350 | 96% | Yes |
| 1918 | 365 | 100% | Yes |
| 1919 | 365 | 100% | Yes |
| 1920 | 366 | 100% | Yes |
| 1921 | 365 | 100% | Yes |
| 1922 | 365 | 100% | Yes |
| 1923 | 365 | 100% | Yes |
| 1924 | 366 | 100% | Yes |
| 1925 | 365 | 100% | Yes |
| 1926 | 365 | 100% | Yes |
| 1927 | 365 | 100% | Yes |
| 1928 | 366 | 100% | Yes |
| 1929 | 365 | 100% | Yes |
| 1930 | 365 | 100% | Yes |
| 1931 | 365 | 100% | Yes |
| 1932 | 366 | 100% | Yes |
| 1933 | 365 | 100% | Yes |
| 1934 | 365 | 100% | Yes |
| 1935 | 365 | 100% | Yes |
| 1936 | 366 | 100% | Yes |
| 1937 | 365 | 100% | Yes |
| 1938 | 365 | 100% | Yes |
| 1939 | 337 | 92% | Yes |
| 1940 | 366 | 100% | Yes |
| 1941 | 365 | 100% | Yes |
| 1942 | 365 | 100% | Yes |
| 1943 | 365 | 100% | Yes |
| 1944 | 365 | 100% | Yes |
| 1945 | 365 | 100% | Yes |
| 1946 | 365 | 100% | Yes |
| 1947 | 365 | 100% | Yes |
| 1948 | 365 | 100% | Yes |
| 1949 | 363 | 99% | Yes |
| 1950 | 365 | 100% | Yes |
| 1951 | 365 | 100% | Yes |
| 1952 | 365 | 100% | Yes |
| 1953 | 362 | 99% | Yes |
| 1954 | 358 | 98% | Yes |
| 1955 | 303 | 83% | No |
| 1956 | 348 | 95% | Yes |
| 1957 | 331 | 91% | Yes |
| 1958 | 325 | 89% | No |
| 1959 | 318 | 87% | No |
| 1960 | 366 | 100% | Yes |
| 1961 | 365 | 100% | Yes |
| 1962 | 365 | 100% | Yes |
| 1963 | 365 | 100% | Yes |
| 1964 | 366 | 100% | Yes |
| 1965 | 365 | 100% | Yes |
| 1966 | 365 | 100% | Yes |
| 1967 | 365 | 100% | Yes |
| 1968 | 366 | 100% | Yes |
| 1969 | 365 | 100% | Yes |
| 1970 | 365 | 100% | Yes |
| 1971 | 365 | 100% | Yes |
| 1972 | 366 | 100% | Yes |
| 1973 | 365 | 100% | Yes |
| 1974 | 365 | 100% | Yes |
| 1975 | 365 | 100% | Yes |
| 1976 | 366 | 100% | Yes |
| 1977 | 365 | 100% | Yes |
| 1978 | 365 | 100% | Yes |
| 1979 | 365 | 100% | Yes |
| 1980 | 366 | 100% | Yes |
| 1981 | 365 | 100% | Yes |
| 1982 | 365 | 100% | Yes |
| 1983 | 365 | 100% | Yes |
| 1984 | 366 | 100% | Yes |
| 1985 | 365 | 100% | Yes |
| 1986 | 365 | 100% | Yes |
| 1987 | 365 | 100% | Yes |
| 1988 | 366 | 100% | Yes |
| 1989 | 365 | 100% | Yes |
| 1990 | 365 | 100% | Yes |
| 1991 | 365 | 100% | Yes |
| 1992 | 366 | 100% | Yes |
| 1993 | 365 | 100% | Yes |
| 1994 | 365 | 100% | Yes |
| 1995 | 365 | 100% | Yes |
| 1996 | 366 | 100% | Yes |
| 1997 | 365 | 100% | Yes |
| 1998 | 365 | 100% | Yes |
| 1999 | 365 | 100% | Yes |
| 2000 | 366 | 100% | Yes |
| 2001 | 365 | 100% | Yes |
| 2002 | 365 | 100% | Yes |
| 2003 | 365 | 100% | Yes |
| 2004 | 366 | 100% | Yes |
| 2005 | 365 | 100% | Yes |
| 2006 | 365 | 100% | Yes |
| 2007 | 365 | 100% | Yes |
| 2008 | 366 | 100% | Yes |
| 2009 | 365 | 100% | Yes |
| 2010 | 365 | 100% | Yes |
| 2011 | 365 | 100% | Yes |
| 2012 | 366 | 100% | Yes |
| 2013 | 365 | 100% | Yes |
| 2014 | 365 | 100% | Yes |
| 2015 | 365 | 100% | Yes |
| 2016 | 366 | 100% | Yes |
| 2017 | 365 | 100% | Yes |
| 2018 | 365 | 100% | Yes |
| 2019 | 365 | 100% | Yes |
| 2020 | 366 | 100% | Yes |
| 2021 | 365 | 100% | Yes |
| 2022 | 365 | 100% | Yes |
| 2023 | 365 | 100% | Yes |
| 2024 | 366 | 100% | Yes |
| 2025 | 360 | 99% | Yes |
| 2026 | 284 | 78% | No |
Latest Records
20| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 15 September 2026 | Alpena Co Rgnl AP, US | daily rain (Provisional) | 31.5 mm (1.2 in) | 1.8 mm (0.07 in) | 72 years | 32 of 100 (Routine) |
| 5 August 2026 | Alpena Co Rgnl AP, US | daily rain | 43.9 mm (1.7 in) | 10.4 mm (0.4 in) | 7 years | 22 of 100 (Routine) |
| 18 July 2026 | Alpena Co Rgnl AP, US | daily rain | 66.0 mm (2.6 in) | 35.8 mm (1.4 in) | 29 years | 51 of 100 (Notable) |
| 14 July 2026 | Alpena Co Rgnl AP, US | daily high min | 23.9 C (75.0 F) | 2.8 C (5.0 F) | 89 years | 43 of 100 (Notable) |
| 18 May 2026 | Alpena Co Rgnl AP, US | daily rain | 25.7 mm (1.0 in) | 7.7 mm (0.30 in) | 45 years | 32 of 100 (Routine) |
| 12 April 2026 | Alpena Co Rgnl AP, US | monthly rain | 56.9 mm (2.2 in) | 9.9 mm (0.39 in) | 5 years | 35 of 100 (Notable) |
| 2 April 2026 | Alpena Co Rgnl AP, US | daily rain | 29.7 mm (1.2 in) | 6.1 mm (0.24 in) | 36 years | 28 of 100 (Routine) |
| 15 March 2026 | Alpena Co Rgnl AP, US | daily rain | 42.7 mm (1.7 in) | 23.4 mm (0.9 in) | 67 years | 69 of 100 (Major) |
| 15 March 2026 | Alpena Co Rgnl AP, US | daily snowfall | 10.9 cm (4.3 in) | 0.2 cm (0.1 in) | 89 years | 36 of 100 (Notable) |
| 9 March 2026 | Alpena Co Rgnl AP, US | daily high max | 20.6 C (69.1 F) | 1.2 C (2.2 F) | 25 years | 18 of 100 (Routine) |
| 18 February 2026 | Alpena Co Rgnl AP, US | daily rain (Tie) | 12.4 mm (0.5 in) | tie | 64 years | 7 of 100 (Routine) |
| 24 January 2026 | Alpena Co Rgnl AP, US | daily low min | -27.8 C (-18.0 F) | 0.6 C (1.1 F) | 78 years | 33 of 100 (Routine) |
| 9 January 2026 | Alpena Co Rgnl AP, US | daily high max | 11.7 C (53.1 F) | 3.9 C (7.0 F) | 24 years | 24 of 100 (Routine) |
| 9 January 2026 | Alpena Co Rgnl AP, US | daily high min | 0.6 C (33.1 F) | 1.1 C (2.0 F) | 10 years | 14 of 100 (Routine) |
| 5 January 2026 | Alpena Co Rgnl AP, US | daily snowfall | 14.0 cm (5.5 in) | 4.9 cm (1.9 in) | 64 years | 40 of 100 (Notable) |
| 9 November 2025 | Alpena Co Rgnl AP, US | daily low max (Tie) | 0.0 C (32.0 F) | tie | 92 years | 9 of 100 (Routine) |
| 5 October 2025 | Alpena Co Rgnl AP, US | daily high max (Tie) | 29.4 C (84.9 F) | tie | 20 years | 4 of 100 (Routine) |
| 4 October 2025 | Alpena Co Rgnl AP, US | daily high max | 31.7 C (89.1 F) | 1.7 C (3.1 F) | 99 years | 41 of 100 (Notable) |
| 9 August 2025 | Alpena Co Rgnl AP, US | daily high min | 21.1 C (70.0 F) | 0.5 C (0.9 F) | 4 years | 12 of 100 (Routine) |
| 6 July 2025 | Alpena Co Rgnl AP, US | daily rain | 34.0 mm (1.3 in) | 8.9 mm (0.35 in) | 91 years | 45 of 100 (Notable) |
Climate Trend
102 complete years, 1918 to 2025| Year | Annual mean temperature | Difference from the station mean |
|---|---|---|
| 1918 | 5.7 C | -0.65 C |
| 1919 | 6.8 C | +0.46 C |
| 1920 | 6.1 C | -0.23 C |
| 1921 | 7.8 C | +1.41 C |
| 1922 | 6.4 C | +0.02 C |
| 1923 | 5.3 C | -1.10 C |
| 1924 | 4.4 C | -1.97 C |
| 1925 | 5.4 C | -0.93 C |
| 1926 | 4.4 C | -1.93 C |
| 1927 | 6.4 C | +0.04 C |
| 1928 | 5.9 C | -0.42 C |
| 1929 | 5.2 C | -1.13 C |
| 1930 | 6.4 C | +0.06 C |
| 1931 | 7.9 C | +1.52 C |
| 1932 | 6.6 C | +0.22 C |
| 1933 | 6.1 C | -0.23 C |
| 1934 | 5.2 C | -1.20 C |
| 1935 | 5.5 C | -0.87 C |
| 1936 | 5.7 C | -0.70 C |
| 1937 | 6.5 C | +0.19 C |
| 1938 | 7.2 C | +0.86 C |
| 1940 | 5.6 C | -0.77 C |
| 1941 | 6.9 C | +0.56 C |
| 1942 | 6.0 C | -0.37 C |
| 1943 | 5.6 C | -0.75 C |
| 1944 | 6.9 C | +0.50 C |
| 1945 | 6.1 C | -0.27 C |
| 1946 | 6.7 C | +0.38 C |
| 1947 | 6.4 C | +0.06 C |
| 1948 | 6.5 C | +0.11 C |
| 1949 | 7.4 C | +1.08 C |
| 1950 | 5.5 C | -0.84 C |
| 1951 | 6.1 C | -0.24 C |
| 1952 | 7.2 C | +0.80 C |
| 1953 | 8.0 C | +1.69 C |
| 1954 | 7.0 C | +0.60 C |
| 1960 | 5.2 C | -1.13 C |
| 1961 | 5.8 C | -0.51 C |
| 1962 | 5.1 C | -1.21 C |
| 1963 | 5.1 C | -1.30 C |
| 1964 | 6.4 C | +0.03 C |
| 1965 | 5.1 C | -1.23 C |
| 1966 | 5.8 C | -0.51 C |
| 1967 | 5.1 C | -1.27 C |
| 1968 | 6.2 C | -0.20 C |
| 1969 | 5.6 C | -0.72 C |
| 1970 | 5.9 C | -0.49 C |
| 1971 | 5.9 C | -0.42 C |
| 1972 | 4.7 C | -1.63 C |
| 1973 | 6.8 C | +0.42 C |
| 1974 | 5.7 C | -0.67 C |
| 1975 | 6.7 C | +0.32 C |
| 1976 | 5.7 C | -0.64 C |
| 1977 | 6.0 C | -0.33 C |
| 1978 | 5.5 C | -0.85 C |
| 1979 | 5.5 C | -0.88 C |
| 1980 | 5.5 C | -0.86 C |
| 1981 | 6.3 C | -0.06 C |
| 1982 | 5.7 C | -0.65 C |
| 1983 | 6.6 C | +0.24 C |
| 1984 | 6.3 C | -0.01 C |
| 1985 | 5.9 C | -0.44 C |
| 1986 | 6.4 C | +0.04 C |
| 1987 | 7.7 C | +1.34 C |
| 1988 | 6.6 C | +0.21 C |
| 1989 | 5.4 C | -0.95 C |
| 1990 | 7.1 C | +0.72 C |
| 1991 | 7.4 C | +1.03 C |
| 1992 | 5.7 C | -0.65 C |
| 1993 | 5.7 C | -0.61 C |
| 1994 | 6.3 C | -0.10 C |
| 1995 | 6.3 C | -0.03 C |
| 1996 | 5.3 C | -1.03 C |
| 1997 | 5.7 C | -0.63 C |
| 1998 | 8.0 C | +1.66 C |
| 1999 | 7.2 C | +0.81 C |
| 2000 | 6.4 C | +0.06 C |
| 2001 | 7.8 C | +1.45 C |
| 2002 | 6.8 C | +0.42 C |
| 2003 | 5.6 C | -0.71 C |
| 2004 | 6.1 C | -0.27 C |
| 2005 | 6.8 C | +0.44 C |
| 2006 | 7.7 C | +1.36 C |
| 2007 | 7.1 C | +0.70 C |
| 2008 | 6.1 C | -0.23 C |
| 2009 | 5.8 C | -0.59 C |
| 2010 | 7.7 C | +1.38 C |
| 2011 | 6.7 C | +0.36 C |
| 2012 | 8.4 C | +2.04 C |
| 2013 | 6.0 C | -0.32 C |
| 2014 | 4.9 C | -1.49 C |
| 2015 | 6.9 C | +0.53 C |
| 2016 | 8.1 C | +1.75 C |
| 2017 | 7.6 C | +1.20 C |
| 2018 | 6.9 C | +0.59 C |
| 2019 | 6.0 C | -0.39 C |
| 2020 | 7.7 C | +1.38 C |
| 2021 | 8.3 C | +1.95 C |
| 2022 | 7.0 C | +0.60 C |
| 2023 | 8.2 C | +1.80 C |
| 2024 | 9.1 C | +2.77 C |
| 2025 | 7.2 C | +0.82 C |
The annual mean temperature here has risen by 0.1 C (0.1 to 0.2) per decade over 1918 to 2025. In Fahrenheit: 0.2 F (0.1 to 0.3) per decade. The slope is a straight line fitted to 102 complete years; the brackets give its 95 percent interval.
| Measure | Per decade (C) | Per decade (F) | Period | Complete years | Reading |
|---|---|---|---|---|---|
| Annual mean temperature | 0.1 C (0.1 to 0.2) per decade | 0.2 F (0.1 to 0.3) per decade | 1918 to 2025 | 102 | Rise |
| Mean daily maximum | 0.06 C (0.00 to 0.11) per decade | 0.10 F (0.01 to 0.21) per decade | 1918 to 2025 | 102 | Rise |
| Mean daily minimum | 0.2 C (0.1 to 0.2) per decade | 0.3 F (0.2 to 0.4) per decade | 1918 to 2025 | 102 | Rise |
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
1916 to 2026| Measure | Record | Year of the record | Median year | Years with a value |
|---|---|---|---|---|
| Hottest day (TXx) | 41.1 C (106.0 F) | 1936 | 35.0 C (95.0 F) | 111 |
| Coldest night (TNn) | -38.3 C (-36.9 F) | 1979 | -27.2 C (-17.0 F) | 111 |
| Wettest day (Rx1day) | 130.6 mm (5.1 in) | 1937 | 42.2 mm (1.7 in) | 111 |
| Wettest five days (Rx5day) | 189.3 mm (7.5 in) | 1937 | 68.9 mm (2.7 in) | 111 |
| Longest dry spell (CDD) | 40 days | 2003 | 17 days | 111 |
Hottest day (TXx)
| Year | Hottest day (TXx) |
|---|---|
| 1916 | 17.8 C (64.0 F) |
| 1917 | 37.8 C (100.0 F) |
| 1918 | 36.1 C (97.0 F) |
| 1919 | 34.4 C (93.9 F) |
| 1920 | 33.9 C (93.0 F) |
| 1921 | 37.2 C (99.0 F) |
| 1922 | 32.8 C (91.0 F) |
| 1923 | 34.4 C (93.9 F) |
| 1924 | 32.2 C (90.0 F) |
| 1925 | 35.6 C (96.1 F) |
| 1926 | 35.6 C (96.1 F) |
| 1927 | 37.2 C (99.0 F) |
| 1928 | 35.0 C (95.0 F) |
| 1929 | 35.6 C (96.1 F) |
| 1930 | 33.9 C (93.0 F) |
| 1931 | 37.8 C (100.0 F) |
| 1932 | 34.4 C (93.9 F) |
| 1933 | 37.2 C (99.0 F) |
| 1934 | 40.0 C (104.0 F) |
| 1935 | 34.4 C (93.9 F) |
| 1936 | 41.1 C (106.0 F) |
| 1937 | 35.6 C (96.1 F) |
| 1938 | 36.1 C (97.0 F) |
| 1939 | 35.0 C (95.0 F) |
| 1940 | 33.9 C (93.0 F) |
| 1941 | 36.1 C (97.0 F) |
| 1942 | 33.3 C (91.9 F) |
| 1943 | 33.3 C (91.9 F) |
| 1944 | 36.1 C (97.0 F) |
| 1945 | 35.0 C (95.0 F) |
| 1946 | 32.8 C (91.0 F) |
| 1947 | 37.8 C (100.0 F) |
| 1948 | 37.8 C (100.0 F) |
| 1949 | 37.2 C (99.0 F) |
| 1950 | 35.0 C (95.0 F) |
| 1951 | 32.2 C (90.0 F) |
| 1952 | 34.4 C (93.9 F) |
| 1953 | 37.2 C (99.0 F) |
| 1954 | 33.3 C (91.9 F) |
| 1955 | 37.2 C (99.0 F) |
| 1956 | 36.1 C (97.0 F) |
| 1957 | 33.9 C (93.0 F) |
| 1958 | 33.9 C (93.0 F) |
| 1959 | 33.9 C (93.0 F) |
| 1960 | 33.9 C (93.0 F) |
| 1961 | 33.9 C (93.0 F) |
| 1962 | 34.4 C (93.9 F) |
| 1963 | 35.6 C (96.1 F) |
| 1964 | 36.1 C (97.0 F) |
| 1965 | 35.0 C (95.0 F) |
| 1966 | 36.7 C (98.1 F) |
| 1967 | 31.1 C (88.0 F) |
| 1968 | 35.0 C (95.0 F) |
| 1969 | 33.9 C (93.0 F) |
| 1970 | 33.3 C (91.9 F) |
| 1971 | 36.7 C (98.1 F) |
| 1972 | 32.8 C (91.0 F) |
| 1973 | 33.9 C (93.0 F) |
| 1974 | 34.4 C (93.9 F) |
| 1975 | 36.1 C (97.0 F) |
| 1976 | 33.9 C (93.0 F) |
| 1977 | 36.7 C (98.1 F) |
| 1978 | 36.1 C (97.0 F) |
| 1979 | 33.9 C (93.0 F) |
| 1980 | 33.3 C (91.9 F) |
| 1981 | 36.7 C (98.1 F) |
| 1982 | 34.4 C (93.9 F) |
| 1983 | 38.9 C (102.0 F) |
| 1984 | 32.2 C (90.0 F) |
| 1985 | 32.2 C (90.0 F) |
| 1986 | 33.9 C (93.0 F) |
| 1987 | 36.1 C (97.0 F) |
| 1988 | 38.9 C (102.0 F) |
| 1989 | 34.4 C (93.9 F) |
| 1990 | 33.9 C (93.0 F) |
| 1991 | 35.6 C (96.1 F) |
| 1992 | 33.3 C (91.9 F) |
| 1993 | 33.9 C (93.0 F) |
| 1994 | 35.6 C (96.1 F) |
| 1995 | 39.4 C (102.9 F) |
| 1996 | 33.3 C (91.9 F) |
| 1997 | 36.1 C (97.0 F) |
| 1998 | 33.9 C (93.0 F) |
| 1999 | 35.0 C (95.0 F) |
| 2000 | 31.7 C (89.1 F) |
| 2001 | 37.8 C (100.0 F) |
| 2002 | 35.6 C (96.1 F) |
| 2003 | 35.0 C (95.0 F) |
| 2004 | 33.3 C (91.9 F) |
| 2005 | 35.0 C (95.0 F) |
| 2006 | 36.7 C (98.1 F) |
| 2007 | 35.0 C (95.0 F) |
| 2008 | 32.2 C (90.0 F) |
| 2009 | 32.2 C (90.0 F) |
| 2010 | 33.3 C (91.9 F) |
| 2011 | 36.1 C (97.0 F) |
| 2012 | 35.0 C (95.0 F) |
| 2013 | 36.1 C (97.0 F) |
| 2014 | 31.7 C (89.1 F) |
| 2015 | 33.9 C (93.0 F) |
| 2016 | 36.1 C (97.0 F) |
| 2017 | 33.9 C (93.0 F) |
| 2018 | 37.2 C (99.0 F) |
| 2019 | 35.0 C (95.0 F) |
| 2020 | 35.6 C (96.1 F) |
| 2021 | 34.4 C (93.9 F) |
| 2022 | 35.6 C (96.1 F) |
| 2023 | 34.4 C (93.9 F) |
| 2024 | 35.6 C (96.1 F) |
| 2025 | 36.1 C (97.0 F) |
| 2026 | 35.6 C (96.1 F) |
Coldest night (TNn)
| Year | Coldest night (TNn) |
|---|---|
| 1916 | -21.1 C (-6.0 F) |
| 1917 | -29.4 C (-20.9 F) |
| 1918 | -32.8 C (-27.0 F) |
| 1919 | -24.4 C (-11.9 F) |
| 1920 | -28.3 C (-18.9 F) |
| 1921 | -22.8 C (-9.0 F) |
| 1922 | -26.7 C (-16.1 F) |
| 1923 | -26.7 C (-16.1 F) |
| 1924 | -31.1 C (-24.0 F) |
| 1925 | -27.8 C (-18.0 F) |
| 1926 | -30.0 C (-22.0 F) |
| 1927 | -32.2 C (-26.0 F) |
| 1928 | -28.3 C (-18.9 F) |
| 1929 | -35.0 C (-31.0 F) |
| 1930 | -28.9 C (-20.0 F) |
| 1931 | -20.6 C (-5.1 F) |
| 1932 | -22.2 C (-8.0 F) |
| 1933 | -32.8 C (-27.0 F) |
| 1934 | -37.8 C (-36.0 F) |
| 1935 | -29.4 C (-20.9 F) |
| 1936 | -31.1 C (-24.0 F) |
| 1937 | -26.1 C (-15.0 F) |
| 1938 | -30.0 C (-22.0 F) |
| 1939 | -30.0 C (-22.0 F) |
| 1940 | -26.1 C (-15.0 F) |
| 1941 | -27.2 C (-17.0 F) |
| 1942 | -27.2 C (-17.0 F) |
| 1943 | -32.8 C (-27.0 F) |
| 1944 | -25.0 C (-13.0 F) |
| 1945 | -28.3 C (-18.9 F) |
| 1946 | -23.9 C (-11.0 F) |
| 1947 | -27.8 C (-18.0 F) |
| 1948 | -31.1 C (-24.0 F) |
| 1949 | -21.7 C (-7.1 F) |
| 1950 | -27.2 C (-17.0 F) |
| 1951 | -32.2 C (-26.0 F) |
| 1952 | -21.7 C (-7.1 F) |
| 1953 | -22.8 C (-9.0 F) |
| 1954 | -22.2 C (-8.0 F) |
| 1955 | -26.1 C (-15.0 F) |
| 1956 | -17.8 C (0.0 F) |
| 1957 | -21.7 C (-7.1 F) |
| 1958 | -25.6 C (-14.1 F) |
| 1959 | -34.4 C (-29.9 F) |
| 1960 | -27.2 C (-17.0 F) |
| 1961 | -27.8 C (-18.0 F) |
| 1962 | -32.8 C (-27.0 F) |
| 1963 | -33.3 C (-27.9 F) |
| 1964 | -24.4 C (-11.9 F) |
| 1965 | -28.3 C (-18.9 F) |
| 1966 | -26.1 C (-15.0 F) |
| 1967 | -28.9 C (-20.0 F) |
| 1968 | -29.4 C (-20.9 F) |
| 1969 | -23.3 C (-9.9 F) |
| 1970 | -30.6 C (-23.1 F) |
| 1971 | -27.8 C (-18.0 F) |
| 1972 | -26.7 C (-16.1 F) |
| 1973 | -27.2 C (-17.0 F) |
| 1974 | -28.3 C (-18.9 F) |
| 1975 | -28.3 C (-18.9 F) |
| 1976 | -28.3 C (-18.9 F) |
| 1977 | -28.3 C (-18.9 F) |
| 1978 | -31.1 C (-24.0 F) |
| 1979 | -38.3 C (-36.9 F) |
| 1980 | -27.2 C (-17.0 F) |
| 1981 | -29.4 C (-20.9 F) |
| 1982 | -29.4 C (-20.9 F) |
| 1983 | -25.0 C (-13.0 F) |
| 1984 | -29.4 C (-20.9 F) |
| 1985 | -31.7 C (-25.1 F) |
| 1986 | -24.4 C (-11.9 F) |
| 1987 | -29.4 C (-20.9 F) |
| 1988 | -24.4 C (-11.9 F) |
| 1989 | -27.8 C (-18.0 F) |
| 1990 | -24.4 C (-11.9 F) |
| 1991 | -23.9 C (-11.0 F) |
| 1992 | -22.8 C (-9.0 F) |
| 1993 | -26.1 C (-15.0 F) |
| 1994 | -33.3 C (-27.9 F) |
| 1995 | -22.8 C (-9.0 F) |
| 1996 | -30.6 C (-23.1 F) |
| 1997 | -28.3 C (-18.9 F) |
| 1998 | -23.3 C (-9.9 F) |
| 1999 | -26.1 C (-15.0 F) |
| 2000 | -26.1 C (-15.0 F) |
| 2001 | -23.9 C (-11.0 F) |
| 2002 | -22.8 C (-9.0 F) |
| 2003 | -26.1 C (-15.0 F) |
| 2004 | -27.8 C (-18.0 F) |
| 2005 | -26.7 C (-16.1 F) |
| 2006 | -20.0 C (-4.0 F) |
| 2007 | -27.2 C (-17.0 F) |
| 2008 | -26.1 C (-15.0 F) |
| 2009 | -27.8 C (-18.0 F) |
| 2010 | -18.3 C (-0.9 F) |
| 2011 | -23.3 C (-9.9 F) |
| 2012 | -20.0 C (-4.0 F) |
| 2013 | -27.1 C (-16.8 F) |
| 2014 | -30.5 C (-22.9 F) |
| 2015 | -33.8 C (-28.8 F) |
| 2016 | -24.9 C (-12.8 F) |
| 2017 | -28.2 C (-18.8 F) |
| 2018 | -26.6 C (-15.9 F) |
| 2019 | -31.6 C (-24.9 F) |
| 2020 | -21.0 C (-5.8 F) |
| 2021 | -22.1 C (-7.8 F) |
| 2022 | -26.6 C (-15.9 F) |
| 2023 | -22.7 C (-8.9 F) |
| 2024 | -20.5 C (-4.9 F) |
| 2025 | -22.1 C (-7.8 F) |
| 2026 | -27.8 C (-18.0 F) |
Wettest day (Rx1day)
| Year | Wettest day (Rx1day) |
|---|---|
| 1916 | 18.3 mm (0.7 in) |
| 1917 | 37.1 mm (1.5 in) |
| 1918 | 56.1 mm (2.2 in) |
| 1919 | 42.7 mm (1.7 in) |
| 1920 | 32.0 mm (1.3 in) |
| 1921 | 69.6 mm (2.7 in) |
| 1922 | 72.6 mm (2.9 in) |
| 1923 | 32.8 mm (1.3 in) |
| 1924 | 58.4 mm (2.3 in) |
| 1925 | 30.0 mm (1.2 in) |
| 1926 | 43.4 mm (1.7 in) |
| 1927 | 30.5 mm (1.2 in) |
| 1928 | 39.6 mm (1.6 in) |
| 1929 | 53.8 mm (2.1 in) |
| 1930 | 43.9 mm (1.7 in) |
| 1931 | 27.7 mm (1.1 in) |
| 1932 | 37.3 mm (1.5 in) |
| 1933 | 22.4 mm (0.9 in) |
| 1934 | 37.1 mm (1.5 in) |
| 1935 | 38.4 mm (1.5 in) |
| 1936 | 45.5 mm (1.8 in) |
| 1937 | 130.6 mm (5.1 in) |
| 1938 | 34.5 mm (1.4 in) |
| 1939 | 38.1 mm (1.5 in) |
| 1940 | 41.9 mm (1.6 in) |
| 1941 | 75.2 mm (3.0 in) |
| 1942 | 28.4 mm (1.1 in) |
| 1943 | 27.7 mm (1.1 in) |
| 1944 | 36.6 mm (1.4 in) |
| 1945 | 49.5 mm (1.9 in) |
| 1946 | 57.9 mm (2.3 in) |
| 1947 | 57.2 mm (2.3 in) |
| 1948 | 38.1 mm (1.5 in) |
| 1949 | 29.2 mm (1.1 in) |
| 1950 | 35.6 mm (1.4 in) |
| 1951 | 53.8 mm (2.1 in) |
| 1952 | 34.3 mm (1.4 in) |
| 1953 | 45.7 mm (1.8 in) |
| 1954 | 45.7 mm (1.8 in) |
| 1955 | 49.5 mm (1.9 in) |
| 1956 | 23.6 mm (0.9 in) |
| 1957 | 43.2 mm (1.7 in) |
| 1958 | 27.2 mm (1.1 in) |
| 1959 | 33.0 mm (1.3 in) |
| 1960 | 59.4 mm (2.3 in) |
| 1961 | 46.5 mm (1.8 in) |
| 1962 | 31.8 mm (1.3 in) |
| 1963 | 47.5 mm (1.9 in) |
| 1964 | 31.8 mm (1.3 in) |
| 1965 | 56.1 mm (2.2 in) |
| 1966 | 46.2 mm (1.8 in) |
| 1967 | 45.2 mm (1.8 in) |
| 1968 | 76.7 mm (3.0 in) |
| 1969 | 64.0 mm (2.5 in) |
| 1970 | 39.9 mm (1.6 in) |
| 1971 | 47.0 mm (1.9 in) |
| 1972 | 46.2 mm (1.8 in) |
| 1973 | 66.3 mm (2.6 in) |
| 1974 | 71.1 mm (2.8 in) |
| 1975 | 51.1 mm (2.0 in) |
| 1976 | 34.5 mm (1.4 in) |
| 1977 | 42.2 mm (1.7 in) |
| 1978 | 46.5 mm (1.8 in) |
| 1979 | 36.3 mm (1.4 in) |
| 1980 | 43.9 mm (1.7 in) |
| 1981 | 29.5 mm (1.2 in) |
| 1982 | 26.4 mm (1.0 in) |
| 1983 | 53.6 mm (2.1 in) |
| 1984 | 46.7 mm (1.8 in) |
| 1985 | 43.2 mm (1.7 in) |
| 1986 | 46.5 mm (1.8 in) |
| 1987 | 36.6 mm (1.4 in) |
| 1988 | 30.5 mm (1.2 in) |
| 1989 | 35.1 mm (1.4 in) |
| 1990 | 50.3 mm (2.0 in) |
| 1991 | 48.0 mm (1.9 in) |
| 1992 | 37.1 mm (1.5 in) |
| 1993 | 41.4 mm (1.6 in) |
| 1994 | 40.6 mm (1.6 in) |
| 1995 | 31.8 mm (1.3 in) |
| 1996 | 37.6 mm (1.5 in) |
| 1997 | 51.1 mm (2.0 in) |
| 1998 | 87.4 mm (3.4 in) |
| 1999 | 25.7 mm (1.0 in) |
| 2000 | 40.1 mm (1.6 in) |
| 2001 | 31.2 mm (1.2 in) |
| 2002 | 30.7 mm (1.2 in) |
| 2003 | 45.0 mm (1.8 in) |
| 2004 | 37.1 mm (1.5 in) |
| 2005 | 39.6 mm (1.6 in) |
| 2006 | 31.0 mm (1.2 in) |
| 2007 | 65.8 mm (2.6 in) |
| 2008 | 54.4 mm (2.1 in) |
| 2009 | 43.4 mm (1.7 in) |
| 2010 | 57.9 mm (2.3 in) |
| 2011 | 57.2 mm (2.3 in) |
| 2012 | 35.8 mm (1.4 in) |
| 2013 | 40.9 mm (1.6 in) |
| 2014 | 74.7 mm (2.9 in) |
| 2015 | 24.1 mm (0.9 in) |
| 2016 | 47.2 mm (1.9 in) |
| 2017 | 80.3 mm (3.2 in) |
| 2018 | 40.1 mm (1.6 in) |
| 2019 | 45.5 mm (1.8 in) |
| 2020 | 91.2 mm (3.6 in) |
| 2021 | 31.8 mm (1.3 in) |
| 2022 | 40.4 mm (1.6 in) |
| 2023 | 88.6 mm (3.5 in) |
| 2024 | 40.6 mm (1.6 in) |
| 2025 | 37.8 mm (1.5 in) |
| 2026 | 66.0 mm (2.6 in) |
Wettest five days (Rx5day)
| Year | Wettest five days (Rx5day) |
|---|---|
| 1916 | 36.0 mm (1.4 in) |
| 1917 | 49.3 mm (1.9 in) |
| 1918 | 72.6 mm (2.9 in) |
| 1919 | 61.0 mm (2.4 in) |
| 1920 | 48.3 mm (1.9 in) |
| 1921 | 83.8 mm (3.3 in) |
| 1922 | 95.4 mm (3.8 in) |
| 1923 | 69.6 mm (2.7 in) |
| 1924 | 96.2 mm (3.8 in) |
| 1925 | 33.0 mm (1.3 in) |
| 1926 | 52.3 mm (2.1 in) |
| 1927 | 68.9 mm (2.7 in) |
| 1928 | 64.7 mm (2.5 in) |
| 1929 | 80.3 mm (3.2 in) |
| 1930 | 85.3 mm (3.4 in) |
| 1931 | 58.7 mm (2.3 in) |
| 1932 | 86.4 mm (3.4 in) |
| 1933 | 51.0 mm (2.0 in) |
| 1934 | 45.8 mm (1.8 in) |
| 1935 | 86.9 mm (3.4 in) |
| 1936 | 84.4 mm (3.3 in) |
| 1937 | 189.3 mm (7.5 in) |
| 1938 | 67.6 mm (2.7 in) |
| 1939 | 59.5 mm (2.3 in) |
| 1940 | 52.1 mm (2.1 in) |
| 1941 | 95.0 mm (3.7 in) |
| 1942 | 58.7 mm (2.3 in) |
| 1943 | 55.9 mm (2.2 in) |
| 1944 | 54.1 mm (2.1 in) |
| 1945 | 69.6 mm (2.7 in) |
| 1946 | 80.8 mm (3.2 in) |
| 1947 | 88.5 mm (3.5 in) |
| 1948 | 46.8 mm (1.8 in) |
| 1949 | 39.4 mm (1.6 in) |
| 1950 | 83.5 mm (3.3 in) |
| 1951 | 72.8 mm (2.9 in) |
| 1952 | 48.9 mm (1.9 in) |
| 1953 | 76.2 mm (3.0 in) |
| 1954 | 76.9 mm (3.0 in) |
| 1955 | 77.8 mm (3.1 in) |
| 1956 | 61.6 mm (2.4 in) |
| 1957 | 81.8 mm (3.2 in) |
| 1958 | 58.6 mm (2.3 in) |
| 1959 | 46.4 mm (1.8 in) |
| 1960 | 60.9 mm (2.4 in) |
| 1961 | 87.9 mm (3.5 in) |
| 1962 | 56.2 mm (2.2 in) |
| 1963 | 85.4 mm (3.4 in) |
| 1964 | 58.7 mm (2.3 in) |
| 1965 | 63.5 mm (2.5 in) |
| 1966 | 106.4 mm (4.2 in) |
| 1967 | 93.5 mm (3.7 in) |
| 1968 | 104.9 mm (4.1 in) |
| 1969 | 83.0 mm (3.3 in) |
| 1970 | 59.2 mm (2.3 in) |
| 1971 | 75.2 mm (3.0 in) |
| 1972 | 52.6 mm (2.1 in) |
| 1973 | 135.0 mm (5.3 in) |
| 1974 | 119.3 mm (4.7 in) |
| 1975 | 90.2 mm (3.6 in) |
| 1976 | 61.4 mm (2.4 in) |
| 1977 | 63.8 mm (2.5 in) |
| 1978 | 74.9 mm (2.9 in) |
| 1979 | 98.4 mm (3.9 in) |
| 1980 | 74.1 mm (2.9 in) |
| 1981 | 34.6 mm (1.4 in) |
| 1982 | 59.5 mm (2.3 in) |
| 1983 | 88.9 mm (3.5 in) |
| 1984 | 77.9 mm (3.1 in) |
| 1985 | 61.4 mm (2.4 in) |
| 1986 | 62.7 mm (2.5 in) |
| 1987 | 45.7 mm (1.8 in) |
| 1988 | 44.7 mm (1.8 in) |
| 1989 | 40.7 mm (1.6 in) |
| 1990 | 56.9 mm (2.2 in) |
| 1991 | 93.7 mm (3.7 in) |
| 1992 | 68.9 mm (2.7 in) |
| 1993 | 82.1 mm (3.2 in) |
| 1994 | 65.0 mm (2.6 in) |
| 1995 | 55.1 mm (2.2 in) |
| 1996 | 88.3 mm (3.5 in) |
| 1997 | 70.0 mm (2.8 in) |
| 1998 | 92.5 mm (3.6 in) |
| 1999 | 53.2 mm (2.1 in) |
| 2000 | 55.8 mm (2.2 in) |
| 2001 | 68.4 mm (2.7 in) |
| 2002 | 42.9 mm (1.7 in) |
| 2003 | 56.5 mm (2.2 in) |
| 2004 | 53.1 mm (2.1 in) |
| 2005 | 70.9 mm (2.8 in) |
| 2006 | 57.4 mm (2.3 in) |
| 2007 | 82.8 mm (3.3 in) |
| 2008 | 82.6 mm (3.3 in) |
| 2009 | 74.7 mm (2.9 in) |
| 2010 | 69.6 mm (2.7 in) |
| 2011 | 81.8 mm (3.2 in) |
| 2012 | 67.8 mm (2.7 in) |
| 2013 | 60.0 mm (2.4 in) |
| 2014 | 98.1 mm (3.9 in) |
| 2015 | 45.7 mm (1.8 in) |
| 2016 | 63.4 mm (2.5 in) |
| 2017 | 90.5 mm (3.6 in) |
| 2018 | 84.8 mm (3.3 in) |
| 2019 | 59.5 mm (2.3 in) |
| 2020 | 109.2 mm (4.3 in) |
| 2021 | 57.7 mm (2.3 in) |
| 2022 | 59.8 mm (2.4 in) |
| 2023 | 94.4 mm (3.7 in) |
| 2024 | 99.0 mm (3.9 in) |
| 2025 | 65.3 mm (2.6 in) |
| 2026 | 92.4 mm (3.6 in) |
Longest dry spell (CDD)
| Year | Longest dry spell (CDD) |
|---|---|
| 1916 | 10 days |
| 1917 | 17 days |
| 1918 | 32 days |
| 1919 | 16 days |
| 1920 | 12 days |
| 1921 | 16 days |
| 1922 | 23 days |
| 1923 | 22 days |
| 1924 | 19 days |
| 1925 | 21 days |
| 1926 | 15 days |
| 1927 | 25 days |
| 1928 | 12 days |
| 1929 | 18 days |
| 1930 | 14 days |
| 1931 | 13 days |
| 1932 | 15 days |
| 1933 | 16 days |
| 1934 | 22 days |
| 1935 | 13 days |
| 1936 | 19 days |
| 1937 | 14 days |
| 1938 | 13 days |
| 1939 | 20 days |
| 1940 | 13 days |
| 1941 | 17 days |
| 1942 | 12 days |
| 1943 | 20 days |
| 1944 | 15 days |
| 1945 | 15 days |
| 1946 | 19 days |
| 1947 | 30 days |
| 1948 | 18 days |
| 1949 | 20 days |
| 1950 | 23 days |
| 1951 | 19 days |
| 1952 | 26 days |
| 1953 | 17 days |
| 1954 | 26 days |
| 1955 | 18 days |
| 1956 | 17 days |
| 1957 | 21 days |
| 1958 | 19 days |
| 1959 | 18 days |
| 1960 | 14 days |
| 1961 | 23 days |
| 1962 | 19 days |
| 1963 | 21 days |
| 1964 | 17 days |
| 1965 | 15 days |
| 1966 | 34 days |
| 1967 | 15 days |
| 1968 | 16 days |
| 1969 | 19 days |
| 1970 | 21 days |
| 1971 | 15 days |
| 1972 | 14 days |
| 1973 | 11 days |
| 1974 | 17 days |
| 1975 | 16 days |
| 1976 | 17 days |
| 1977 | 18 days |
| 1978 | 20 days |
| 1979 | 12 days |
| 1980 | 18 days |
| 1981 | 13 days |
| 1982 | 23 days |
| 1983 | 16 days |
| 1984 | 14 days |
| 1985 | 14 days |
| 1986 | 22 days |
| 1987 | 22 days |
| 1988 | 16 days |
| 1989 | 25 days |
| 1990 | 13 days |
| 1991 | 21 days |
| 1992 | 13 days |
| 1993 | 12 days |
| 1994 | 14 days |
| 1995 | 15 days |
| 1996 | 21 days |
| 1997 | 17 days |
| 1998 | 22 days |
| 1999 | 24 days |
| 2000 | 14 days |
| 2001 | 30 days |
| 2002 | 22 days |
| 2003 | 40 days |
| 2004 | 14 days |
| 2005 | 16 days |
| 2006 | 17 days |
| 2007 | 23 days |
| 2008 | 12 days |
| 2009 | 22 days |
| 2010 | 22 days |
| 2011 | 17 days |
| 2012 | 17 days |
| 2013 | 17 days |
| 2014 | 12 days |
| 2015 | 19 days |
| 2016 | 13 days |
| 2017 | 13 days |
| 2018 | 18 days |
| 2019 | 20 days |
| 2020 | 16 days |
| 2021 | 17 days |
| 2022 | 13 days |
| 2023 | 34 days |
| 2024 | 29 days |
| 2025 | 16 days |
| 2026 | 14 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
102 years with a frostAcross 102 years with a frost, the median last spring frost at Alpena Co Rgnl AP falls on 25 May and the median first autumn frost on 23 September, which leaves a median of 124 days between them.
In 1996 to 2025 the median growing season was 139 days. That is 36 days more than in 1918 to 1948.
Fitted over all years, the growing season changes by +4.5 days per decade at this station.
| Measure | Median, all years | Earliest period (1918 to 1948) | Recent period (1996 to 2025) | Recent against earliest | Fitted trend |
|---|---|---|---|---|---|
| Last spring frost | 25 May | 4 June | 18 May | 17 days earlier | -1.9 days per decade |
| First autumn frost | 23 September | 12 September | 4 October | 22 days later | +2.7 days per decade |
| Growing days | 124 days | 103 days | 139 days | 36 days more | +4.5 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
107 years, 1917 to 2025A day with at least 41.6 mm (1.6 in) of rain is expected about once in 2 years. A day with at least 107.8 mm (4.2 in) of rain is expected about once in 100 years.
| Expected about once in | A day with at least | Note |
|---|---|---|
| 2 years | 41.6 mm (1.6 in) | |
| 5 years | 55.4 mm (2.2 in) | |
| 10 years | 65.9 mm (2.6 in) | |
| 25 years | 81.0 mm (3.2 in) | |
| 50 years | 93.8 mm (3.7 in) | |
| 100 years | 107.8 mm (4.2 in) |
The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 107 years of values from 1917 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: 130.6 mm (5.1 in) in 1937; 91.2 mm (3.6 in) in 2020; 88.6 mm (3.5 in) in 2023.
Station Changes
1 suspectedOne change was suspected in the annual mean temperature of Alpena Co Rgnl AP, at 2015. Each is measured against neighbouring stations.
- Relative to 5 neighbouring stations, the station's annual mean temperature from 2015 ran 0.3 C (0.6 F) higher than in the years before (likely change).
| Year | Shift (C) | Shift (F) | Strength | Neighbours |
|---|---|---|---|---|
| 2015 | +0.3 | +0.6 | likely | 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
2011 to 2025 against 1961 to 1990Over 2011 to 2025, Alpena Co Rgnl AP had a mean temperature of 7.3 C (45.1 F) and 807.9 mm (31.8 in) of rain a year. The 3 stations whose 1961 to 1990 climate was closest to that are Hamilton A (Canada, 359 km away), Traverse Cy Cherry Capital AP (United States, 162 km away) and Toronto Lester B. Pearson Int' (Canada, 348 km away).
| Twin station | Country | Distance away | Mean temperature, 1961-1990 | Rain a year, 1961-1990 | Climate difference |
|---|---|---|---|---|---|
| Hamilton A | Canada | 359 km (223 mi) | 7.4 C (45.4 F) | 888.9 mm (35.0 in) | 0.64 |
| Traverse Cy Cherry Capital AP | United States | 162 km (101 mi) | 7.0 C (44.6 F) | 756.0 mm (29.8 in) | 0.66 |
| Toronto Lester B. Pearson Int' | Canada | 348 km (216 mi) | 7.0 C (44.5 F) | 785.3 mm (30.9 in) | 0.69 |
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.
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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).