Erikstad Weather Records (SWE00138574)
Record envelope, standing records and threshold days for Erikstad (SWE00138574), Sweden, with 55 years of record.
Key Facts for Erikstad
- Erikstad (SWE00138574) is a weather station in Sweden at 58.64 latitude and 12.42 longitude, 65 m (213 ft) above sea level.
- The station reports from 1964 to 2018, 55 years of record.
- 1,464 records set at Erikstad still stand.
- Records are tracked for prcp: an element needs 30 years of data to be eligible.
- Erikstad set a daily record precipitation of 28.8 mm (1.1 in) on 30 April 2018.
About the Station
- Location: Sweden, 58.64 latitude, 12.42 longitude.
- Elevation: 65 m (213 ft).
- Period of record: 1964 to 2018, 55 years.
- Eligible elements: prcp.
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 | 11.5 C (52.7 F) | -27.5 C (-17.5 F) | n/a | n/a |
| Feb | 9.5 C (49.1 F) | -35.8 C (-32.4 F) | n/a | n/a |
| Mar | 14.5 C (58.1 F) | -23.2 C (-9.8 F) | n/a | n/a |
| Apr | 21.5 C (70.7 F) | -13.1 C (8.4 F) | n/a | n/a |
| May | 27.5 C (81.5 F) | -5.9 C (21.4 F) | n/a | n/a |
| Jun | 32.2 C (90.0 F) | -0.6 C (30.9 F) | n/a | n/a |
| Jul | 30.0 C (86.0 F) | 2.7 C (36.9 F) | n/a | n/a |
| Aug | 34.0 C (93.2 F) | -1.3 C (29.7 F) | n/a | n/a |
| Sep | 25.4 C (77.7 F) | -5.1 C (22.8 F) | n/a | n/a |
| Oct | 20.0 C (68.0 F) | -12.3 C (9.9 F) | n/a | n/a |
| Nov | 13.0 C (55.4 F) | -22.3 C (-8.1 F) | n/a | n/a |
| Dec | 10.6 C (51.1 F) | -24.7 C (-12.5 F) | n/a | n/a |
Which Years Hold Standing Records
1,464 standing records| Year set | Standing records |
|---|---|
| 1964 | 61 |
| 1965 | 68 |
| 1966 | 62 |
| 1967 | 47 |
| 1968 | 80 |
| 1969 | 69 |
| 1970 | 66 |
| 1971 | 69 |
| 1972 | 51 |
| 1973 | 91 |
| 1974 | 52 |
| 1975 | 75 |
| 1976 | 57 |
| 1977 | 49 |
| 1978 | 61 |
| 1979 | 45 |
| 1980 | 47 |
| 1981 | 73 |
| 1982 | 52 |
| 1983 | 62 |
| 1984 | 30 |
| 1985 | 55 |
| 1986 | 59 |
| 1987 | 74 |
| 1988 | 9 |
Wettest Day of Each Month
Oct: 83.8 mm (3.3 in)| Month | Record daily precipitation (mm) | Date |
|---|---|---|
| Jan | 25.5 mm (1.0 in) | 8 January 2001 |
| Feb | 25.0 mm (1.0 in) | 4 February 1989 |
| Mar | 23.2 mm (0.9 in) | 15 March 1978 |
| Apr | 36.0 mm (1.4 in) | 27 April 2003 |
| May | 40.5 mm (1.6 in) | 24 May 2016 |
| Jun | 45.0 mm (1.8 in) | 1 June 1995 |
| Jul | 56.4 mm (2.2 in) | 30 July 1976 |
| Aug | 39.7 mm (1.6 in) | 1 August 2002 |
| Sep | 50.1 mm (2.0 in) | 14 September 1995 |
| Oct | 83.8 mm (3.3 in) | 13 October 1964 |
| Nov | 38.3 mm (1.5 in) | 6 November 1971 |
| Dec | 29.3 mm (1.2 in) | 5 December 2006 |
Period of Record Coverage
1964 to 1988| Year | Days with data | Share of year | Complete |
|---|---|---|---|
| 1964 | 275 | 75% | No |
| 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 | 286 | 78% | No |
| 1979 | 365 | 100% | Yes |
| 1980 | 366 | 100% | Yes |
| 1981 | 365 | 100% | Yes |
| 1982 | 365 | 100% | Yes |
| 1983 | 365 | 100% | Yes |
| 1984 | 336 | 92% | Yes |
| 1985 | 365 | 100% | Yes |
| 1986 | 365 | 100% | Yes |
| 1987 | 365 | 100% | Yes |
| 1988 | 60 | 16% | No |
Latest Records
20| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 30 April 2018 | Erikstad, SE | daily rain | 28.8 mm (1.1 in) | 16.9 mm (0.7 in) | 51 years | 55 of 100 (Notable) |
| 11 March 2018 | Erikstad, SE | daily rain | 18.6 mm (0.7 in) | 9.8 mm (0.39 in) | 24 years | 20 of 100 (Routine) |
| 27 January 2018 | Erikstad, SE | daily rain | 8.4 mm (0.33 in) | 0.6 mm (0.02 in) | 4 years | 7 of 100 (Routine) |
| 24 October 2017 | Erikstad, SE | daily rain | 18.1 mm (0.7 in) | 6.4 mm (0.25 in) | 7 years | 15 of 100 (Routine) |
| 11 October 2017 | Erikstad, SE | daily rain | 10.8 mm (0.4 in) | 0.3 mm (0.01 in) | 3 years | 5 of 100 (Routine) |
| 5 July 2017 | Erikstad, SE | daily rain | 31.1 mm (1.2 in) | 6.3 mm (0.25 in) | 52 years | 28 of 100 (Routine) |
| 7 June 2017 | Erikstad, SE | daily rain | 26.5 mm (1.0 in) | 10.3 mm (0.4 in) | 40 years | 32 of 100 (Routine) |
| 28 August 2016 | Erikstad, SE | daily rain | 32.3 mm (1.3 in) | 15.1 mm (0.6 in) | 7 years | 29 of 100 (Routine) |
| 15 June 2016 | Erikstad, SE | daily rain | 24.3 mm (1.0 in) | 15.2 mm (0.6 in) | 13 years | 20 of 100 (Routine) |
| 24 May 2016 | Erikstad, SE | monthly rain | 40.5 mm (1.6 in) | 6.4 mm (0.25 in) | 20 years | 33 of 100 (Routine) |
| 6 March 2016 | Erikstad, SE | daily rain | 16.4 mm (0.6 in) | 7.3 mm (0.29 in) | 14 years | 20 of 100 (Routine) |
| 10 December 2015 | Erikstad, SE | daily rain | 15.3 mm (0.6 in) | 0.8 mm (0.03 in) | 0 years | 6 of 100 (Routine) |
| 29 November 2015 | Erikstad, SE | daily rain | 13.0 mm (0.5 in) | 3.2 mm (0.13 in) | 8 years | 13 of 100 (Routine) |
| 1 September 2015 | Erikstad, SE | daily rain | 34.6 mm (1.4 in) | 21.4 mm (0.8 in) | 36 years | 46 of 100 (Notable) |
| 12 May 2015 | Erikstad, SE | daily rain | 28.3 mm (1.1 in) | 12.4 mm (0.5 in) | 37 years | 39 of 100 (Notable) |
| 14 December 2014 | Erikstad, SE | daily rain | 13.6 mm (0.5 in) | 1.9 mm (0.07 in) | 13 years | 13 of 100 (Routine) |
| 10 December 2014 | Erikstad, SE | daily rain | 14.5 mm (0.6 in) | 0.3 mm (0.01 in) | 48 years | 19 of 100 (Routine) |
| 16 October 2014 | Erikstad, SE | daily rain | 59.8 mm (2.4 in) | 32.3 mm (1.3 in) | 37 years | 56 of 100 (Notable) |
| 15 October 2014 | Erikstad, SE | daily rain | 45.0 mm (1.8 in) | 13.0 mm (0.5 in) | 35 years | 33 of 100 (Routine) |
| 11 October 2014 | Erikstad, SE | daily rain | 10.5 mm (0.4 in) | 0.8 mm (0.03 in) | 48 years | 20 of 100 (Routine) |
Climate Trend
21 complete years, 1965 to 1987| Year | Annual mean temperature | Difference from the station mean |
|---|---|---|
| 1965 | 5.0 C | -0.69 C |
| 1966 | 4.7 C | -0.97 C |
| 1967 | 6.3 C | +0.70 C |
| 1968 | 5.5 C | -0.18 C |
| 1969 | 5.0 C | -0.62 C |
| 1970 | 4.4 C | -1.29 C |
| 1971 | 6.3 C | +0.70 C |
| 1972 | 6.2 C | +0.57 C |
| 1973 | 6.3 C | +0.64 C |
| 1974 | 7.0 C | +1.38 C |
| 1975 | 7.7 C | +2.05 C |
| 1976 | 5.8 C | +0.11 C |
| 1977 | 5.6 C | -0.09 C |
| 1979 | 4.7 C | -0.98 C |
| 1980 | 5.1 C | -0.59 C |
| 1981 | 5.3 C | -0.36 C |
| 1982 | 6.5 C | +0.82 C |
| 1983 | 7.0 C | +1.34 C |
| 1985 | 4.4 C | -1.27 C |
| 1986 | 5.5 C | -0.15 C |
| 1987 | 4.5 C | -1.11 C |
This station does not have enough complete years (30 are needed) to fit a temperature trend.
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
1964 to 2018| Measure | Record | Year of the record | Median year | Years with a value |
|---|---|---|---|---|
| Hottest day (TXx) | 34.0 C (93.2 F) | 1975 | 28.7 C (83.7 F) | 25 |
| Coldest night (TNn) | -35.8 C (-32.4 F) | 1966 | -23.6 C (-10.5 F) | 25 |
| Wettest day (Rx1day) | 83.8 mm (3.3 in) | 1964 | 34.2 mm (1.3 in) | 55 |
| Wettest five days (Rx5day) | 132.4 mm (5.2 in) | 1964 | 61.7 mm (2.4 in) | 55 |
| Longest dry spell (CDD) | 59 days | 1974 | 20 days | 55 |
Hottest day (TXx)
| Year | Hottest day (TXx) |
|---|---|
| 1964 | 29.0 C (84.2 F) |
| 1965 | 23.5 C (74.3 F) |
| 1966 | 28.2 C (82.8 F) |
| 1967 | 25.7 C (78.3 F) |
| 1968 | 29.3 C (84.7 F) |
| 1969 | 30.2 C (86.4 F) |
| 1970 | 32.2 C (90.0 F) |
| 1971 | 29.9 C (85.8 F) |
| 1972 | 29.8 C (85.6 F) |
| 1973 | 29.5 C (85.1 F) |
| 1974 | 25.7 C (78.3 F) |
| 1975 | 34.0 C (93.2 F) |
| 1976 | 28.7 C (83.7 F) |
| 1977 | 27.5 C (81.5 F) |
| 1978 | 28.0 C (82.4 F) |
| 1979 | 28.0 C (82.4 F) |
| 1980 | 28.7 C (83.7 F) |
| 1981 | 25.4 C (77.7 F) |
| 1982 | 32.0 C (89.6 F) |
| 1983 | 29.6 C (85.3 F) |
| 1984 | 27.0 C (80.6 F) |
| 1985 | 28.6 C (83.5 F) |
| 1986 | 29.5 C (85.1 F) |
| 1987 | 27.0 C (80.6 F) |
| 1988 | 9.5 C (49.1 F) |
| 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 |
Coldest night (TNn)
| Year | Coldest night (TNn) |
|---|---|
| 1964 | -12.4 C (9.7 F) |
| 1965 | -23.2 C (-9.8 F) |
| 1966 | -35.8 C (-32.4 F) |
| 1967 | -20.9 C (-5.6 F) |
| 1968 | -25.7 C (-14.3 F) |
| 1969 | -30.7 C (-23.3 F) |
| 1970 | -30.0 C (-22.0 F) |
| 1971 | -18.3 C (-0.9 F) |
| 1972 | -15.0 C (5.0 F) |
| 1973 | -21.3 C (-6.3 F) |
| 1974 | -14.2 C (6.4 F) |
| 1975 | -12.8 C (9.0 F) |
| 1976 | -24.6 C (-12.3 F) |
| 1977 | -23.7 C (-10.7 F) |
| 1978 | -26.2 C (-15.2 F) |
| 1979 | -24.7 C (-12.5 F) |
| 1980 | -25.1 C (-13.2 F) |
| 1981 | -24.7 C (-12.5 F) |
| 1982 | -27.5 C (-17.5 F) |
| 1983 | -16.2 C (2.8 F) |
| 1984 | -19.3 C (-2.7 F) |
| 1985 | -27.1 C (-16.8 F) |
| 1986 | -22.0 C (-7.6 F) |
| 1987 | -23.6 C (-10.5 F) |
| 1988 | -8.5 C (16.7 F) |
| 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 |
Wettest day (Rx1day)
| Year | Wettest day (Rx1day) |
|---|---|
| 1964 | 83.8 mm (3.3 in) |
| 1965 | 32.0 mm (1.3 in) |
| 1966 | 19.0 mm (0.7 in) |
| 1967 | 39.6 mm (1.6 in) |
| 1968 | 46.0 mm (1.8 in) |
| 1969 | 28.6 mm (1.1 in) |
| 1970 | 28.1 mm (1.1 in) |
| 1971 | 38.3 mm (1.5 in) |
| 1972 | 45.6 mm (1.8 in) |
| 1973 | 39.6 mm (1.6 in) |
| 1974 | 26.5 mm (1.0 in) |
| 1975 | 38.6 mm (1.5 in) |
| 1976 | 56.4 mm (2.2 in) |
| 1977 | 30.9 mm (1.2 in) |
| 1978 | 23.2 mm (0.9 in) |
| 1979 | 32.1 mm (1.3 in) |
| 1980 | 29.0 mm (1.1 in) |
| 1981 | 39.0 mm (1.5 in) |
| 1982 | 37.0 mm (1.5 in) |
| 1983 | 20.4 mm (0.8 in) |
| 1984 | 27.5 mm (1.1 in) |
| 1985 | 28.3 mm (1.1 in) |
| 1986 | 30.0 mm (1.2 in) |
| 1987 | 42.0 mm (1.7 in) |
| 1988 | 19.5 mm (0.8 in) |
| 1989 | 28.9 mm (1.1 in) |
| 1990 | 19.0 mm (0.7 in) |
| 1991 | 25.1 mm (1.0 in) |
| 1992 | 22.5 mm (0.9 in) |
| 1993 | 47.1 mm (1.9 in) |
| 1994 | 44.1 mm (1.7 in) |
| 1995 | 50.1 mm (2.0 in) |
| 1996 | 49.1 mm (1.9 in) |
| 1997 | 39.0 mm (1.5 in) |
| 1998 | 25.9 mm (1.0 in) |
| 1999 | 34.6 mm (1.4 in) |
| 2000 | 34.1 mm (1.3 in) |
| 2001 | 30.0 mm (1.2 in) |
| 2002 | 39.7 mm (1.6 in) |
| 2003 | 36.0 mm (1.4 in) |
| 2004 | 47.0 mm (1.9 in) |
| 2005 | 26.3 mm (1.0 in) |
| 2006 | 37.7 mm (1.5 in) |
| 2007 | 43.0 mm (1.7 in) |
| 2008 | 34.2 mm (1.3 in) |
| 2009 | 27.5 mm (1.1 in) |
| 2010 | 50.6 mm (2.0 in) |
| 2011 | 38.0 mm (1.5 in) |
| 2012 | 27.0 mm (1.1 in) |
| 2013 | 20.5 mm (0.8 in) |
| 2014 | 59.8 mm (2.4 in) |
| 2015 | 34.6 mm (1.4 in) |
| 2016 | 40.5 mm (1.6 in) |
| 2017 | 31.1 mm (1.2 in) |
| 2018 | 28.8 mm (1.1 in) |
Wettest five days (Rx5day)
| Year | Wettest five days (Rx5day) |
|---|---|
| 1964 | 132.4 mm (5.2 in) |
| 1965 | 58.4 mm (2.3 in) |
| 1966 | 36.6 mm (1.4 in) |
| 1967 | 78.4 mm (3.1 in) |
| 1968 | 116.1 mm (4.6 in) |
| 1969 | 55.1 mm (2.2 in) |
| 1970 | 58.5 mm (2.3 in) |
| 1971 | 83.3 mm (3.3 in) |
| 1972 | 51.5 mm (2.0 in) |
| 1973 | 63.2 mm (2.5 in) |
| 1974 | 61.2 mm (2.4 in) |
| 1975 | 78.6 mm (3.1 in) |
| 1976 | 94.0 mm (3.7 in) |
| 1977 | 48.5 mm (1.9 in) |
| 1978 | 48.4 mm (1.9 in) |
| 1979 | 60.1 mm (2.4 in) |
| 1980 | 71.3 mm (2.8 in) |
| 1981 | 70.4 mm (2.8 in) |
| 1982 | 57.7 mm (2.3 in) |
| 1983 | 39.7 mm (1.6 in) |
| 1984 | 45.3 mm (1.8 in) |
| 1985 | 59.7 mm (2.4 in) |
| 1986 | 52.0 mm (2.0 in) |
| 1987 | 80.0 mm (3.1 in) |
| 1988 | 40.1 mm (1.6 in) |
| 1989 | 45.3 mm (1.8 in) |
| 1990 | 45.2 mm (1.8 in) |
| 1991 | 52.0 mm (2.0 in) |
| 1992 | 41.3 mm (1.6 in) |
| 1993 | 77.8 mm (3.1 in) |
| 1994 | 70.9 mm (2.8 in) |
| 1995 | 81.3 mm (3.2 in) |
| 1996 | 105.7 mm (4.2 in) |
| 1997 | 101.4 mm (4.0 in) |
| 1998 | 55.9 mm (2.2 in) |
| 1999 | 85.4 mm (3.4 in) |
| 2000 | 63.8 mm (2.5 in) |
| 2001 | 41.5 mm (1.6 in) |
| 2002 | 59.8 mm (2.4 in) |
| 2003 | 70.6 mm (2.8 in) |
| 2004 | 103.3 mm (4.1 in) |
| 2005 | 55.4 mm (2.2 in) |
| 2006 | 80.6 mm (3.2 in) |
| 2007 | 76.1 mm (3.0 in) |
| 2008 | 83.0 mm (3.3 in) |
| 2009 | 92.6 mm (3.6 in) |
| 2010 | 79.6 mm (3.1 in) |
| 2011 | 76.9 mm (3.0 in) |
| 2012 | 67.7 mm (2.7 in) |
| 2013 | 61.7 mm (2.4 in) |
| 2014 | 123.5 mm (4.9 in) |
| 2015 | 52.6 mm (2.1 in) |
| 2016 | 49.4 mm (1.9 in) |
| 2017 | 56.0 mm (2.2 in) |
| 2018 | 29.2 mm (1.1 in) |
Longest dry spell (CDD)
| Year | Longest dry spell (CDD) |
|---|---|
| 1964 | 18 days |
| 1965 | 21 days |
| 1966 | 17 days |
| 1967 | 15 days |
| 1968 | 20 days |
| 1969 | 21 days |
| 1970 | 13 days |
| 1971 | 16 days |
| 1972 | 20 days |
| 1973 | 20 days |
| 1974 | 59 days |
| 1975 | 37 days |
| 1976 | 26 days |
| 1977 | 22 days |
| 1978 | 17 days |
| 1979 | 15 days |
| 1980 | 20 days |
| 1981 | 25 days |
| 1982 | 34 days |
| 1983 | 20 days |
| 1984 | 15 days |
| 1985 | 21 days |
| 1986 | 27 days |
| 1987 | 22 days |
| 1988 | 10 days |
| 1989 | 21 days |
| 1990 | 17 days |
| 1991 | 29 days |
| 1992 | 29 days |
| 1993 | 18 days |
| 1994 | 29 days |
| 1995 | 21 days |
| 1996 | 34 days |
| 1997 | 22 days |
| 1998 | 14 days |
| 1999 | 17 days |
| 2000 | 19 days |
| 2001 | 14 days |
| 2002 | 21 days |
| 2003 | 28 days |
| 2004 | 17 days |
| 2005 | 27 days |
| 2006 | 20 days |
| 2007 | 16 days |
| 2008 | 24 days |
| 2009 | 18 days |
| 2010 | 20 days |
| 2011 | 14 days |
| 2012 | 17 days |
| 2013 | 26 days |
| 2014 | 17 days |
| 2015 | 41 days |
| 2016 | 24 days |
| 2017 | 21 days |
| 2018 | 22 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
21 years with a frostAcross 21 years with a frost, the median last spring frost at Erikstad falls on 15 May and the median first autumn frost on 24 September, which leaves a median of 128 days between them.
| Measure | Median, all years | Earliest period | Recent period (1965 to 1987) | Recent against earliest | Fitted trend |
|---|---|---|---|---|---|
| Last spring frost | 15 May | n/a | 15 May | n/a | n/a |
| First autumn frost | 24 September | n/a | 24 September | n/a | n/a |
| Growing days | 128 days | n/a | 128 days | n/a | n/a |
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
51 years, 1965 to 2017A day with at least 34.4 mm (1.4 in) of rain is expected about once in 2 years. A day with at least 61.2 mm (2.4 in) of rain is expected about once in 100 years.
| Expected about once in | A day with at least | Note |
|---|---|---|
| 2 years | 34.4 mm (1.4 in) | |
| 5 years | 43.1 mm (1.7 in) | |
| 10 years | 48.2 mm (1.9 in) | |
| 25 years | 53.9 mm (2.1 in) | |
| 50 years | 57.8 mm (2.3 in) | |
| 100 years | 61.2 mm (2.4 in) | Longer than the 51 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, 51 years of values from 1965 to 2017.
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: 59.8 mm (2.4 in) in 2014; 56.4 mm (2.2 in) in 1976; 50.6 mm (2.0 in) in 2010.
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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.
Data as of . Last revised (2025-12-31).