Niland Weather Records (USC00046197)
Record envelope, standing records and threshold days for Niland (USC00046197), California, United States, with 113 years of record.
Key Facts for Niland
- Niland (USC00046197) is a weather station in California, United States at 33.28 latitude and -115.52 longitude, -18 m (-60 ft) above sea level.
- The station reports from 1914 to 2026, 113 years of record.
- 1,460 records set at Niland still stand.
- Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
- Niland set a daily record precipitation of 7.4 mm (0.29 in) on 31 December 2025.
About the Station
- Location: California, United States, 33.28 latitude, -115.52 longitude.
- Elevation: -18 m (-60 ft).
- Period of record: 1914 to 2026, 113 years.
- Eligible elements: 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 | 30.6 C (87.1 F) | 17.2 C (63.0 F) | n/a | n/a |
| Feb | 27.8 C (82.0 F) | 12.8 C (55.0 F) | n/a | n/a |
| Mar | 38.3 C (100.9 F) | 12.2 C (54.0 F) | n/a | n/a |
| Apr | 37.8 C (100.0 F) | 17.8 C (64.0 F) | n/a | n/a |
| May | 43.9 C (111.0 F) | 10.0 C (50.0 F) | n/a | n/a |
| Jun | 46.7 C (116.1 F) | 20.0 C (68.0 F) | n/a | n/a |
| Jul | 45.0 C (113.0 F) | 21.1 C (70.0 F) | n/a | n/a |
| Aug | 53.9 C (129.0 F) | 21.1 C (70.0 F) | n/a | n/a |
| Sep | 45.0 C (113.0 F) | 21.7 C (71.1 F) | n/a | n/a |
| Oct | 36.7 C (98.1 F) | 13.3 C (55.9 F) | n/a | n/a |
| Nov | 31.7 C (89.1 F) | 2.8 C (37.0 F) | n/a | n/a |
| Dec | 29.4 C (84.9 F) | 0.0 C (32.0 F) | n/a | n/a |
Which Years Hold Standing Records
1,460 standing records| Year set | Standing records |
|---|---|
| 1914 | 187 |
| 1915 | 1,273 |
Wettest Day of Each Month
Jul: 67.3 mm (2.6 in)| Month | Record daily precipitation (mm) | Date |
|---|---|---|
| Jan | 39.4 mm (1.6 in) | 29 January 1915 |
| Feb | 29.2 mm (1.1 in) | 9 February 1976 |
| Mar | 57.2 mm (2.3 in) | 2 March 1983 |
| Apr | 30.2 mm (1.2 in) | 3 April 1965 |
| May | 11.4 mm (0.4 in) | 16 May 2015 |
| Jun | 14.0 mm (0.6 in) | 22 June 2000 |
| Jul | 67.3 mm (2.6 in) | 6 July 1968 |
| Aug | 62.5 mm (2.5 in) | 16 August 1977 |
| Sep | 54.6 mm (2.1 in) | 24 September 1976 |
| Oct | 60.2 mm (2.4 in) | 21 October 1978 |
| Nov | 26.2 mm (1.0 in) | 8 November 1952 |
| Dec | 58.9 mm (2.3 in) | 21 December 1914 |
Period of Record Coverage
1914 to 1915| Year | Days with data | Share of year | Complete |
|---|---|---|---|
| 1914 | 90 | 25% | No |
| 1915 | 365 | 100% | Yes |
Latest Records
20| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 31 December 2025 | Niland, US | daily rain | 7.4 mm (0.29 in) | 6.9 mm (0.27 in) | 8 years | 19 of 100 (Routine) |
| 20 November 2025 | Niland, US | daily rain | 5.8 mm (0.23 in) | 4.5 mm (0.18 in) | 62 years | 20 of 100 (Routine) |
| 9 October 2025 | Niland, US | daily rain | 0.5 mm (0.02 in) | 0.5 mm (0.02 in) | 83 years | 20 of 100 (Routine) |
| 27 September 2025 | Niland, US | daily rain | 5.6 mm (0.22 in) | 5.1 mm (0.20 in) | 74 years | 20 of 100 (Routine) |
| 22 September 2025 | Niland, US | daily rain (Tie) | 0.3 mm (0.01 in) | tie | 51 years | 6 of 100 (Routine) |
| 13 May 2025 | Niland, US | daily rain | 0.3 mm (0.01 in) | 0.3 mm (0.01 in) | 83 years | 20 of 100 (Routine) |
| 7 March 2025 | Niland, US | daily rain | 11.4 mm (0.4 in) | 5.0 mm (0.20 in) | 24 years | 20 of 100 (Routine) |
| 30 March 2024 | Niland, US | daily rain | 0.8 mm (0.03 in) | 0.8 mm (0.03 in) | 82 years | 20 of 100 (Routine) |
| 22 January 2024 | Niland, US | daily rain | 27.9 mm (1.1 in) | 24.9 mm (1.0 in) | 78 years | 71 of 100 (Major) |
| 15 November 2023 | Niland, US | daily rain | 4.3 mm (0.17 in) | 0.5 mm (0.02 in) | 78 years | 20 of 100 (Routine) |
| 21 August 2023 | Niland, US | daily rain | 7.6 mm (0.30 in) | 0.5 mm (0.02 in) | 34 years | 20 of 100 (Routine) |
| 16 March 2023 | Niland, US | daily rain | 19.1 mm (0.8 in) | 15.3 mm (0.6 in) | 104 years | 20 of 100 (Routine) |
| 1 February 2019 | Niland, US | daily rain | 10.7 mm (0.4 in) | 6.9 mm (0.27 in) | 40 years | 20 of 100 (Routine) |
| 15 January 2019 | Niland, US | daily rain | 3.0 mm (0.12 in) | 0.7 mm (0.03 in) | 28 years | 19 of 100 (Routine) |
| 1 January 2017 | Niland, US | daily rain | 7.6 mm (0.30 in) | 7.6 mm (0.30 in) | 74 years | 20 of 100 (Routine) |
| 31 December 2016 | Niland, US | daily rain | 0.5 mm (0.02 in) | 0.2 mm (0.01 in) | 40 years | 20 of 100 (Routine) |
| 22 December 2016 | Niland, US | daily rain | 24.1 mm (0.9 in) | 11.7 mm (0.5 in) | 6 years | 20 of 100 (Routine) |
| 25 October 2016 | Niland, US | daily rain | 1.3 mm (0.05 in) | 1.3 mm (0.05 in) | 74 years | 20 of 100 (Routine) |
| 21 September 2016 | Niland, US | daily rain | 5.3 mm (0.21 in) | 5.3 mm (0.21 in) | 74 years | 20 of 100 (Routine) |
| 20 September 2016 | Niland, US | daily rain (Tie) | 0.8 mm (0.03 in) | tie | 33 years | 4 of 100 (Routine) |
Extremes by Year
1914 to 2026| Measure | Record | Year of the record | Median year | Years with a value |
|---|---|---|---|---|
| Hottest day (TXx) | 53.9 C (129.0 F) | 1915 | 48.3 C (119.0 F) | 2 |
| Coldest night (TNn) | 0.0 C (32.0 F) | 1915 | 5.0 C (41.0 F) | 2 |
| Wettest day (Rx1day) | 67.3 mm (2.6 in) | 1968 | 16.7 mm (0.7 in) | 88 |
| Wettest five days (Rx5day) | 92.7 mm (3.6 in) | 1977 | 22.4 mm (0.9 in) | 83 |
| Longest dry spell (CDD) | 365 days | 1953 | 160 days | 83 |
Hottest day (TXx)
| Year | Hottest day (TXx) |
|---|---|
| 1914 | 42.8 C (109.0 F) |
| 1915 | 53.9 C (129.0 F) |
| 1916 | n/a |
| 1917 | n/a |
| 1918 | n/a |
| 1942 | n/a |
| 1943 | n/a |
| 1944 | n/a |
| 1945 | n/a |
| 1946 | n/a |
| 1947 | n/a |
| 1948 | n/a |
| 1949 | n/a |
| 1950 | n/a |
| 1951 | n/a |
| 1952 | n/a |
| 1953 | n/a |
| 1954 | n/a |
| 1955 | n/a |
| 1956 | n/a |
| 1957 | n/a |
| 1958 | n/a |
| 1959 | n/a |
| 1960 | n/a |
| 1961 | n/a |
| 1962 | n/a |
| 1963 | n/a |
| 1964 | n/a |
| 1965 | n/a |
| 1966 | n/a |
| 1967 | n/a |
| 1968 | n/a |
| 1969 | n/a |
| 1970 | n/a |
| 1971 | n/a |
| 1972 | n/a |
| 1973 | n/a |
| 1974 | n/a |
| 1975 | n/a |
| 1976 | n/a |
| 1977 | n/a |
| 1978 | n/a |
| 1979 | n/a |
| 1980 | n/a |
| 1981 | n/a |
| 1982 | n/a |
| 1983 | n/a |
| 1984 | n/a |
| 1985 | n/a |
| 1986 | n/a |
| 1987 | n/a |
| 1988 | n/a |
| 1989 | n/a |
| 1990 | n/a |
| 1991 | n/a |
| 1992 | n/a |
| 1993 | n/a |
| 1994 | n/a |
| 1995 | n/a |
| 1996 | n/a |
| 1997 | n/a |
| 1998 | n/a |
| 1999 | n/a |
| 2000 | n/a |
| 2001 | n/a |
| 2002 | n/a |
| 2003 | n/a |
| 2004 | n/a |
| 2005 | n/a |
| 2006 | n/a |
| 2007 | n/a |
| 2008 | n/a |
| 2009 | n/a |
| 2010 | n/a |
| 2011 | n/a |
| 2012 | n/a |
| 2013 | n/a |
| 2014 | n/a |
| 2015 | n/a |
| 2016 | n/a |
| 2017 | n/a |
| 2018 | n/a |
| 2019 | n/a |
| 2020 | n/a |
| 2023 | n/a |
| 2024 | n/a |
| 2025 | n/a |
| 2026 | n/a |
Coldest night (TNn)
| Year | Coldest night (TNn) |
|---|---|
| 1914 | 10.0 C (50.0 F) |
| 1915 | 0.0 C (32.0 F) |
| 1916 | n/a |
| 1917 | n/a |
| 1918 | n/a |
| 1942 | n/a |
| 1943 | n/a |
| 1944 | n/a |
| 1945 | n/a |
| 1946 | n/a |
| 1947 | n/a |
| 1948 | n/a |
| 1949 | n/a |
| 1950 | n/a |
| 1951 | n/a |
| 1952 | n/a |
| 1953 | n/a |
| 1954 | n/a |
| 1955 | n/a |
| 1956 | n/a |
| 1957 | n/a |
| 1958 | n/a |
| 1959 | n/a |
| 1960 | n/a |
| 1961 | n/a |
| 1962 | n/a |
| 1963 | n/a |
| 1964 | n/a |
| 1965 | n/a |
| 1966 | n/a |
| 1967 | n/a |
| 1968 | n/a |
| 1969 | n/a |
| 1970 | n/a |
| 1971 | n/a |
| 1972 | n/a |
| 1973 | n/a |
| 1974 | n/a |
| 1975 | n/a |
| 1976 | n/a |
| 1977 | n/a |
| 1978 | n/a |
| 1979 | n/a |
| 1980 | n/a |
| 1981 | n/a |
| 1982 | n/a |
| 1983 | n/a |
| 1984 | n/a |
| 1985 | n/a |
| 1986 | n/a |
| 1987 | n/a |
| 1988 | n/a |
| 1989 | n/a |
| 1990 | n/a |
| 1991 | n/a |
| 1992 | n/a |
| 1993 | n/a |
| 1994 | n/a |
| 1995 | n/a |
| 1996 | n/a |
| 1997 | n/a |
| 1998 | n/a |
| 1999 | n/a |
| 2000 | n/a |
| 2001 | n/a |
| 2002 | n/a |
| 2003 | n/a |
| 2004 | n/a |
| 2005 | n/a |
| 2006 | n/a |
| 2007 | n/a |
| 2008 | n/a |
| 2009 | n/a |
| 2010 | n/a |
| 2011 | n/a |
| 2012 | n/a |
| 2013 | n/a |
| 2014 | n/a |
| 2015 | n/a |
| 2016 | n/a |
| 2017 | n/a |
| 2018 | n/a |
| 2019 | n/a |
| 2020 | n/a |
| 2023 | n/a |
| 2024 | n/a |
| 2025 | n/a |
| 2026 | n/a |
Wettest day (Rx1day)
| Year | Wettest day (Rx1day) |
|---|---|
| 1914 | 58.9 mm (2.3 in) |
| 1915 | 39.4 mm (1.6 in) |
| 1916 | 12.7 mm (0.5 in) |
| 1917 | 7.6 mm (0.30 in) |
| 1918 | 12.7 mm (0.5 in) |
| 1942 | 7.1 mm (0.28 in) |
| 1943 | 26.7 mm (1.1 in) |
| 1944 | 22.9 mm (0.9 in) |
| 1945 | 32.8 mm (1.3 in) |
| 1946 | 5.8 mm (0.23 in) |
| 1947 | 27.2 mm (1.1 in) |
| 1948 | 23.6 mm (0.9 in) |
| 1949 | 25.9 mm (1.0 in) |
| 1950 | 5.1 mm (0.20 in) |
| 1951 | 21.6 mm (0.9 in) |
| 1952 | 26.2 mm (1.0 in) |
| 1953 | 0.5 mm (0.02 in) |
| 1954 | 15.0 mm (0.6 in) |
| 1955 | 12.7 mm (0.5 in) |
| 1956 | 2.0 mm (0.08 in) |
| 1957 | 16.0 mm (0.6 in) |
| 1958 | 16.0 mm (0.6 in) |
| 1959 | 40.1 mm (1.6 in) |
| 1960 | 40.6 mm (1.6 in) |
| 1961 | 14.2 mm (0.6 in) |
| 1962 | 15.0 mm (0.6 in) |
| 1963 | 29.0 mm (1.1 in) |
| 1964 | 10.2 mm (0.4 in) |
| 1965 | 30.2 mm (1.2 in) |
| 1966 | 21.6 mm (0.9 in) |
| 1967 | 24.1 mm (0.9 in) |
| 1968 | 67.3 mm (2.6 in) |
| 1969 | 15.5 mm (0.6 in) |
| 1970 | 12.7 mm (0.5 in) |
| 1971 | 6.4 mm (0.25 in) |
| 1972 | 8.9 mm (0.35 in) |
| 1973 | 5.6 mm (0.22 in) |
| 1974 | 16.0 mm (0.6 in) |
| 1975 | 9.1 mm (0.36 in) |
| 1976 | 54.6 mm (2.1 in) |
| 1977 | 62.5 mm (2.5 in) |
| 1978 | 60.2 mm (2.4 in) |
| 1979 | 11.9 mm (0.5 in) |
| 1980 | 20.1 mm (0.8 in) |
| 1981 | 14.7 mm (0.6 in) |
| 1982 | 18.8 mm (0.7 in) |
| 1983 | 57.2 mm (2.3 in) |
| 1984 | 31.0 mm (1.2 in) |
| 1985 | 16.3 mm (0.6 in) |
| 1986 | 36.1 mm (1.4 in) |
| 1987 | 23.6 mm (0.9 in) |
| 1988 | 14.5 mm (0.6 in) |
| 1989 | 21.8 mm (0.9 in) |
| 1990 | 17.0 mm (0.7 in) |
| 1991 | 15.7 mm (0.6 in) |
| 1992 | 30.2 mm (1.2 in) |
| 1993 | 24.4 mm (1.0 in) |
| 1994 | 17.5 mm (0.7 in) |
| 1995 | 17.8 mm (0.7 in) |
| 1996 | 2.0 mm (0.08 in) |
| 1997 | 21.1 mm (0.8 in) |
| 1998 | 22.9 mm (0.9 in) |
| 1999 | 33.0 mm (1.3 in) |
| 2000 | 14.0 mm (0.6 in) |
| 2001 | 12.2 mm (0.5 in) |
| 2002 | 9.1 mm (0.36 in) |
| 2003 | 14.0 mm (0.6 in) |
| 2004 | 28.7 mm (1.1 in) |
| 2005 | 16.0 mm (0.6 in) |
| 2006 | 5.3 mm (0.21 in) |
| 2007 | 17.0 mm (0.7 in) |
| 2008 | 8.4 mm (0.33 in) |
| 2009 | 7.6 mm (0.30 in) |
| 2010 | 27.7 mm (1.1 in) |
| 2011 | 17.8 mm (0.7 in) |
| 2012 | 22.1 mm (0.9 in) |
| 2013 | 14.7 mm (0.6 in) |
| 2014 | 6.9 mm (0.27 in) |
| 2015 | 11.4 mm (0.4 in) |
| 2016 | 24.1 mm (0.9 in) |
| 2017 | 11.9 mm (0.5 in) |
| 2018 | 0.0 mm (0.00 in) |
| 2019 | 10.7 mm (0.4 in) |
| 2020 | 0.0 mm (0.00 in) |
| 2023 | 19.1 mm (0.8 in) |
| 2024 | 27.9 mm (1.1 in) |
| 2025 | 20.3 mm (0.8 in) |
| 2026 | 0.0 mm (0.00 in) |
Wettest five days (Rx5day)
| Year | Wettest five days (Rx5day) |
|---|---|
| 1914 | n/a |
| 1915 | n/a |
| 1916 | n/a |
| 1917 | n/a |
| 1918 | n/a |
| 1942 | 7.1 mm (0.28 in) |
| 1943 | 28.0 mm (1.1 in) |
| 1944 | 34.8 mm (1.4 in) |
| 1945 | 36.8 mm (1.4 in) |
| 1946 | 5.8 mm (0.23 in) |
| 1947 | 33.6 mm (1.3 in) |
| 1948 | 23.6 mm (0.9 in) |
| 1949 | 43.4 mm (1.7 in) |
| 1950 | 7.6 mm (0.30 in) |
| 1951 | 41.9 mm (1.6 in) |
| 1952 | 26.2 mm (1.0 in) |
| 1953 | 0.5 mm (0.02 in) |
| 1954 | 16.3 mm (0.6 in) |
| 1955 | 15.2 mm (0.6 in) |
| 1956 | 2.0 mm (0.08 in) |
| 1957 | 23.4 mm (0.9 in) |
| 1958 | 24.1 mm (0.9 in) |
| 1959 | 42.6 mm (1.7 in) |
| 1960 | 40.6 mm (1.6 in) |
| 1961 | 15.2 mm (0.6 in) |
| 1962 | 17.8 mm (0.7 in) |
| 1963 | 29.0 mm (1.1 in) |
| 1964 | 10.2 mm (0.4 in) |
| 1965 | 37.5 mm (1.5 in) |
| 1966 | 21.6 mm (0.9 in) |
| 1967 | 28.6 mm (1.1 in) |
| 1968 | 68.6 mm (2.7 in) |
| 1969 | 15.5 mm (0.6 in) |
| 1970 | 12.7 mm (0.5 in) |
| 1971 | 6.4 mm (0.25 in) |
| 1972 | 12.7 mm (0.5 in) |
| 1973 | 10.7 mm (0.4 in) |
| 1974 | 32.2 mm (1.3 in) |
| 1975 | 10.6 mm (0.4 in) |
| 1976 | 56.9 mm (2.2 in) |
| 1977 | 92.7 mm (3.6 in) |
| 1978 | 62.5 mm (2.5 in) |
| 1979 | 19.0 mm (0.7 in) |
| 1980 | 50.8 mm (2.0 in) |
| 1981 | 20.8 mm (0.8 in) |
| 1982 | 29.5 mm (1.2 in) |
| 1983 | 75.0 mm (3.0 in) |
| 1984 | 58.4 mm (2.3 in) |
| 1985 | 29.5 mm (1.2 in) |
| 1986 | 37.2 mm (1.5 in) |
| 1987 | 27.4 mm (1.1 in) |
| 1988 | 15.3 mm (0.6 in) |
| 1989 | 27.1 mm (1.1 in) |
| 1990 | 17.0 mm (0.7 in) |
| 1991 | 25.1 mm (1.0 in) |
| 1992 | 30.2 mm (1.2 in) |
| 1993 | 56.2 mm (2.2 in) |
| 1994 | 28.7 mm (1.1 in) |
| 1995 | 24.4 mm (1.0 in) |
| 1996 | 2.0 mm (0.08 in) |
| 1997 | 31.3 mm (1.2 in) |
| 1998 | 22.9 mm (0.9 in) |
| 1999 | 33.0 mm (1.3 in) |
| 2000 | 14.0 mm (0.6 in) |
| 2001 | 17.8 mm (0.7 in) |
| 2002 | 19.3 mm (0.8 in) |
| 2003 | 16.0 mm (0.6 in) |
| 2004 | 31.7 mm (1.2 in) |
| 2005 | 29.5 mm (1.2 in) |
| 2006 | 5.3 mm (0.21 in) |
| 2007 | 17.0 mm (0.7 in) |
| 2008 | 8.4 mm (0.33 in) |
| 2009 | 7.6 mm (0.30 in) |
| 2010 | 32.8 mm (1.3 in) |
| 2011 | 17.8 mm (0.7 in) |
| 2012 | 22.4 mm (0.9 in) |
| 2013 | 18.2 mm (0.7 in) |
| 2014 | 6.9 mm (0.27 in) |
| 2015 | 13.0 mm (0.5 in) |
| 2016 | 30.6 mm (1.2 in) |
| 2017 | 16.5 mm (0.6 in) |
| 2018 | 0.0 mm (0.00 in) |
| 2019 | 18.3 mm (0.7 in) |
| 2020 | 0.0 mm (0.00 in) |
| 2023 | 19.1 mm (0.8 in) |
| 2024 | 29.4 mm (1.2 in) |
| 2025 | 20.6 mm (0.8 in) |
| 2026 | 7.4 mm (0.29 in) |
Longest dry spell (CDD)
| Year | Longest dry spell (CDD) |
|---|---|
| 1914 | n/a |
| 1915 | n/a |
| 1916 | n/a |
| 1917 | n/a |
| 1918 | n/a |
| 1942 | 291 days |
| 1943 | 161 days |
| 1944 | 233 days |
| 1945 | 101 days |
| 1946 | 222 days |
| 1947 | 219 days |
| 1948 | 291 days |
| 1949 | 287 days |
| 1950 | 157 days |
| 1951 | 122 days |
| 1952 | 128 days |
| 1953 | 365 days |
| 1954 | 161 days |
| 1955 | 200 days |
| 1956 | 274 days |
| 1957 | 134 days |
| 1958 | 234 days |
| 1959 | 187 days |
| 1960 | 184 days |
| 1961 | 139 days |
| 1962 | 300 days |
| 1963 | 141 days |
| 1964 | 135 days |
| 1965 | 224 days |
| 1966 | 192 days |
| 1967 | 219 days |
| 1968 | 145 days |
| 1969 | 203 days |
| 1970 | 171 days |
| 1971 | 91 days |
| 1972 | 157 days |
| 1973 | 256 days |
| 1974 | 329 days |
| 1975 | 107 days |
| 1976 | 78 days |
| 1977 | 143 days |
| 1978 | 194 days |
| 1979 | 134 days |
| 1980 | 247 days |
| 1981 | 184 days |
| 1982 | 82 days |
| 1983 | 107 days |
| 1984 | 146 days |
| 1985 | 163 days |
| 1986 | 118 days |
| 1987 | 210 days |
| 1988 | 132 days |
| 1989 | 193 days |
| 1990 | 143 days |
| 1991 | 160 days |
| 1992 | 89 days |
| 1993 | 100 days |
| 1994 | 93 days |
| 1995 | 169 days |
| 1996 | 135 days |
| 1997 | 124 days |
| 1998 | 137 days |
| 1999 | 101 days |
| 2000 | 192 days |
| 2001 | 262 days |
| 2002 | 249 days |
| 2003 | 136 days |
| 2004 | 131 days |
| 2005 | 74 days |
| 2006 | 142 days |
| 2007 | 50 days |
| 2008 | 56 days |
| 2009 | 196 days |
| 2010 | 154 days |
| 2011 | 205 days |
| 2012 | 135 days |
| 2013 | 165 days |
| 2014 | 207 days |
| 2015 | 165 days |
| 2016 | 257 days |
| 2017 | 92 days |
| 2018 | 92 days |
| 2019 | 15 days |
| 2020 | 31 days |
| 2023 | 157 days |
| 2024 | 329 days |
| 2025 | 163 days |
| 2026 | 243 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.
Rainfall Return Levels
73 years, 1942 to 2025A day with at least 18.3 mm (0.7 in) of rain is expected about once in 2 years. A day with at least 70.0 mm (2.8 in) of rain is expected about once in 100 years.
| Expected about once in | A day with at least | Note |
|---|---|---|
| 2 years | 18.3 mm (0.7 in) | |
| 5 years | 29.9 mm (1.2 in) | |
| 10 years | 38.4 mm (1.5 in) | |
| 25 years | 50.2 mm (2.0 in) | |
| 50 years | 59.8 mm (2.4 in) | |
| 100 years | 70.0 mm (2.8 in) | Longer than the 73 years of record |
The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 73 years of values from 1942 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: 67.3 mm (2.6 in) in 1968; 62.5 mm (2.5 in) in 1977; 60.2 mm (2.4 in) in 1978.
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 (2025-12-31).