Usta 8 WNW Kelly Rch Weather Records (USC00398528)
Record envelope, standing records and threshold days for Usta 8 WNW Kelly Rch (USC00398528), South Dakota, United States, with 53 years of record.
Key Facts for Usta 8 WNW Kelly Rch
- Usta 8 WNW Kelly Rch (USC00398528) is a weather station in South Dakota, United States at 45.25 latitude and -102.31 longitude, 725 m (2,380 ft) above sea level.
- The station reports from 1957 to 2009, 53 years of record.
- 1,464 records set at Usta 8 WNW Kelly Rch still stand.
- Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
- Usta 8 WNW Kelly Rch set a daily record low maximum temperature of 20.0 C (68.0 F) on 29 July 2009.
About the Station
- Location: South Dakota, United States, 45.25 latitude, -102.31 longitude.
- Elevation: 725 m (2,380 ft).
- Period of record: 1957 to 2009, 53 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 | 18.3 C (64.9 F) | -41.1 C (-42.0 F) | n/a | n/a |
| Feb | 22.8 C (73.0 F) | -43.3 C (-45.9 F) | n/a | n/a |
| Mar | 27.8 C (82.0 F) | -40.0 C (-40.0 F) | n/a | n/a |
| Apr | 36.1 C (97.0 F) | -18.3 C (-0.9 F) | n/a | n/a |
| May | 36.1 C (97.0 F) | -10.6 C (12.9 F) | n/a | n/a |
| Jun | 41.7 C (107.1 F) | -0.6 C (30.9 F) | n/a | n/a |
| Jul | 43.3 C (109.9 F) | 1.1 C (34.0 F) | n/a | n/a |
| Aug | 43.3 C (109.9 F) | -0.6 C (30.9 F) | n/a | n/a |
| Sep | 42.8 C (109.0 F) | -9.4 C (15.1 F) | n/a | n/a |
| Oct | 37.8 C (100.0 F) | -23.9 C (-11.0 F) | n/a | n/a |
| Nov | 27.2 C (81.0 F) | -32.8 C (-27.0 F) | n/a | n/a |
| Dec | 21.1 C (70.0 F) | -40.6 C (-41.1 F) | n/a | n/a |
Which Years Hold Standing Records
1,464 standing records| Year set | Standing records |
|---|---|
| 1958 | 12 |
| 1959 | 50 |
| 1960 | 41 |
| 1961 | 36 |
| 1962 | 37 |
| 1963 | 47 |
| 1964 | 34 |
| 1965 | 41 |
| 1966 | 39 |
| 1967 | 27 |
| 1968 | 34 |
| 1969 | 46 |
| 1970 | 20 |
| 1971 | 18 |
| 1972 | 37 |
| 1973 | 23 |
| 1974 | 34 |
| 1975 | 27 |
| 1976 | 33 |
| 1977 | 33 |
| 1978 | 20 |
| 1979 | 33 |
| 1980 | 36 |
| 1981 | 34 |
| 1982 | 24 |
| 1983 | 49 |
| 1984 | 21 |
| 1985 | 55 |
| 1986 | 21 |
| 1987 | 27 |
| 1988 | 55 |
| 1989 | 31 |
| 1990 | 34 |
| 1991 | 42 |
| 1992 | 39 |
| 1993 | 21 |
| 1994 | 18 |
| 1997 | 6 |
| 1998 | 32 |
| 1999 | 46 |
| 2000 | 44 |
| 2001 | 27 |
| 2002 | 32 |
| 2003 | 24 |
| 2004 | 15 |
| 2005 | 1 |
| 2006 | 3 |
| 2007 | 3 |
| 2009 | 2 |
All-Time Record Progression
6 new records| Date | Kind | Detail |
|---|---|---|
| 1987-02-28 | Record daily snowfall | Record daily snowfall 40.6 cm (16.0 in) |
| 1989-02-02 | Record low maximum temperature | Record low maximum temperature -28.9 C (-20.0 F) |
| 1989-08-27 | Record daily precipitation | Record daily precipitation 76.2 mm (3.0 in) |
| 1989-12-22 | Record low maximum temperature | Record low maximum temperature -34.4 C (-29.9 F) |
| 1994-02-10 | Record low minimum temperature | Record low minimum temperature -43.3 C (-45.9 F) |
| 1999-07-29 | Record high minimum temperature | Record high minimum temperature 24.4 C (75.9 F) |
Wettest Day of Each Month
Aug: 76.2 mm (3.0 in)| Month | Record daily precipitation (mm) | Date |
|---|---|---|
| Jan | 12.7 mm (0.5 in) | 15 January 1999 |
| Feb | 55.9 mm (2.2 in) | 24 February 1998 |
| Mar | 50.8 mm (2.0 in) | 11 March 1984 |
| Apr | 60.5 mm (2.4 in) | 28 April 1975 |
| May | 50.8 mm (2.0 in) | 8 May 1986 |
| Jun | 63.5 mm (2.5 in) | 20 June 1987 |
| Jul | 68.6 mm (2.7 in) | 6 July 1977 |
| Aug | 76.2 mm (3.0 in) | 27 August 1989 |
| Sep | 55.9 mm (2.2 in) | 21 September 1989 |
| Oct | 43.2 mm (1.7 in) | 5 October 1972 |
| Nov | 25.4 mm (1.0 in) | 14 November 2003 |
| Dec | 26.7 mm (1.1 in) | 2 December 1964 |
Period of Record Coverage
1958 to 2009| Year | Days with data | Share of year | Complete |
|---|---|---|---|
| 1958 | 116 | 32% | No |
| 1959 | 363 | 99% | Yes |
| 1960 | 366 | 100% | Yes |
| 1961 | 364 | 100% | Yes |
| 1962 | 359 | 98% | Yes |
| 1963 | 363 | 99% | Yes |
| 1964 | 365 | 100% | Yes |
| 1965 | 364 | 100% | Yes |
| 1966 | 364 | 100% | Yes |
| 1967 | 364 | 100% | Yes |
| 1968 | 366 | 100% | Yes |
| 1969 | 364 | 100% | Yes |
| 1970 | 365 | 100% | Yes |
| 1971 | 341 | 93% | Yes |
| 1972 | 366 | 100% | Yes |
| 1973 | 365 | 100% | Yes |
| 1974 | 365 | 100% | Yes |
| 1975 | 363 | 99% | Yes |
| 1976 | 365 | 100% | Yes |
| 1977 | 365 | 100% | Yes |
| 1978 | 333 | 91% | Yes |
| 1979 | 365 | 100% | Yes |
| 1980 | 334 | 91% | Yes |
| 1981 | 362 | 99% | Yes |
| 1982 | 359 | 98% | Yes |
| 1983 | 348 | 95% | Yes |
| 1984 | 300 | 82% | No |
| 1985 | 297 | 81% | No |
| 1986 | 246 | 67% | No |
| 1987 | 355 | 97% | Yes |
| 1988 | 330 | 90% | Yes |
| 1989 | 247 | 68% | No |
| 1990 | 356 | 98% | Yes |
| 1991 | 339 | 93% | Yes |
| 1992 | 304 | 83% | No |
| 1993 | 231 | 63% | No |
| 1994 | 109 | 30% | No |
| 1997 | 79 | 22% | No |
| 1998 | 253 | 69% | No |
| 1999 | 360 | 99% | Yes |
| 2000 | 329 | 90% | No |
| 2001 | 349 | 96% | Yes |
| 2002 | 238 | 65% | No |
| 2003 | 315 | 86% | No |
| 2004 | 178 | 49% | No |
| 2005 | 30 | 8% | No |
| 2006 | 121 | 33% | No |
| 2007 | 28 | 8% | No |
| 2009 | 40 | 11% | No |
Latest Records
20| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 29 July 2009 | Usta 8 WNW Kelly Rch, US | daily low max | 20.0 C (68.0 F) | 2.2 C (4.0 F) | 38 years | 20 of 100 (Routine) |
| 7 July 2009 | Usta 8 WNW Kelly Rch, US | daily low max | 23.3 C (73.9 F) | 0.6 C (1.1 F) | 38 years | 17 of 100 (Routine) |
| 2 July 2009 | Usta 8 WNW Kelly Rch, US | daily rain | 51.3 mm (2.0 in) | 32.2 mm (1.3 in) | 16 years | 41 of 100 (Notable) |
| 25 January 2007 | Usta 8 WNW Kelly Rch, US | daily high max | 15.6 C (60.1 F) | 4.5 C (8.1 F) | 33 years | 20 of 100 (Routine) |
| 9 January 2007 | Usta 8 WNW Kelly Rch, US | daily high max | 14.4 C (57.9 F) | 2.2 C (4.0 F) | 4 years | 8 of 100 (Routine) |
| 4 January 2007 | Usta 8 WNW Kelly Rch, US | daily rain | 3.8 mm (0.15 in) | 1.3 mm (0.05 in) | 29 years | 19 of 100 (Routine) |
| 4 January 2007 | Usta 8 WNW Kelly Rch, US | daily high max | 12.8 C (55.0 F) | 1.1 C (2.0 F) | 4 years | 7 of 100 (Routine) |
| 13 December 2006 | Usta 8 WNW Kelly Rch, US | daily high min (Tie) | -1.1 C (30.0 F) | tie | 36 years | 3 of 100 (Routine) |
| 9 December 2006 | Usta 8 WNW Kelly Rch, US | daily high max (Tie) | 15.6 C (60.1 F) | tie | 27 years | 3 of 100 (Routine) |
| 8 December 2006 | Usta 8 WNW Kelly Rch, US | daily high max | 15.0 C (59.0 F) | 3.9 C (7.0 F) | 16 years | 12 of 100 (Routine) |
| 4 December 2006 | Usta 8 WNW Kelly Rch, US | daily low min | -24.4 C (-11.9 F) | 0.5 C (0.9 F) | 33 years | 14 of 100 (Routine) |
| 10 June 2006 | Usta 8 WNW Kelly Rch, US | daily low max (Tie) | 15.0 C (59.0 F) | tie | 21 years | 2 of 100 (Routine) |
| 28 May 2006 | Usta 8 WNW Kelly Rch, US | daily high min | 15.0 C (59.0 F) | 0.6 C (1.1 F) | 36 years | 16 of 100 (Routine) |
| 26 May 2006 | Usta 8 WNW Kelly Rch, US | daily high max (Tie) | 33.3 C (91.9 F) | tie | 36 years | 3 of 100 (Routine) |
| 18 May 2006 | Usta 8 WNW Kelly Rch, US | daily high max (Tie) | 33.3 C (91.9 F) | tie | 8 years | 1 of 100 (Routine) |
| 22 March 2006 | Usta 8 WNW Kelly Rch, US | daily low max (Tie) | -2.2 C (28.0 F) | tie | 40 years | 4 of 100 (Routine) |
| 13 June 2005 | Usta 8 WNW Kelly Rch, US | daily rain (Tie) | 38.1 mm (1.5 in) | tie | 4 years | 1 of 100 (Routine) |
| 4 June 2005 | Usta 8 WNW Kelly Rch, US | daily low max | 13.3 C (55.9 F) | 0.6 C (1.1 F) | 4 years | 6 of 100 (Routine) |
| 1 June 2005 | Usta 8 WNW Kelly Rch, US | daily rain | 10.2 mm (0.4 in) | 2.8 mm (0.11 in) | 40 years | 18 of 100 (Routine) |
| 29 June 2004 | Usta 8 WNW Kelly Rch, US | daily low min | 2.8 C (37.0 F) | 0.5 C (0.9 F) | 19 years | 10 of 100 (Routine) |
Climate Trend
24 complete years, 1959 to 1999| Year | Annual mean temperature | Difference from the station mean |
|---|---|---|
| 1959 | 6.6 C | -0.25 C |
| 1960 | 6.9 C | -0.03 C |
| 1961 | 8.0 C | +1.08 C |
| 1962 | 7.3 C | +0.42 C |
| 1963 | 8.5 C | +1.63 C |
| 1964 | 6.8 C | -0.12 C |
| 1965 | 5.6 C | -1.26 C |
| 1966 | 5.7 C | -1.15 C |
| 1967 | 6.5 C | -0.40 C |
| 1968 | 6.2 C | -0.71 C |
| 1969 | 6.1 C | -0.83 C |
| 1970 | 5.9 C | -1.02 C |
| 1972 | 5.3 C | -1.58 C |
| 1973 | 7.4 C | +0.48 C |
| 1974 | 7.5 C | +0.57 C |
| 1975 | 5.7 C | -1.19 C |
| 1976 | 7.6 C | +0.75 C |
| 1977 | 7.4 C | +0.52 C |
| 1979 | 5.6 C | -1.28 C |
| 1981 | 9.1 C | +2.20 C |
| 1982 | 6.1 C | -0.75 C |
| 1983 | 8.1 C | +1.20 C |
| 1987 | 7.3 C | +0.38 C |
| 1999 | 8.2 C | +1.30 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
1957 to 2009| Measure | Record | Year of the record | Median year | Years with a value |
|---|---|---|---|---|
| Hottest day (TXx) | 43.3 C (109.9 F) | 1960 | 39.4 C (102.9 F) | 49 |
| Coldest night (TNn) | -43.3 C (-45.9 F) | 1994 | -34.4 C (-29.9 F) | 49 |
| Wettest day (Rx1day) | 76.2 mm (3.0 in) | 1989 | 39.7 mm (1.6 in) | 50 |
| Wettest five days (Rx5day) | 140.0 mm (5.5 in) | 1989 | 53.3 mm (2.1 in) | 50 |
| Longest dry spell (CDD) | 119 days | 1988 | 37 days | 50 |
Hottest day (TXx)
| Year | Hottest day (TXx) |
|---|---|
| 1957 | n/a |
| 1958 | 38.3 C (100.9 F) |
| 1959 | 42.8 C (109.0 F) |
| 1960 | 43.3 C (109.9 F) |
| 1961 | 42.2 C (108.0 F) |
| 1962 | 38.9 C (102.0 F) |
| 1963 | 40.0 C (104.0 F) |
| 1964 | 41.1 C (106.0 F) |
| 1965 | 38.9 C (102.0 F) |
| 1966 | 40.6 C (105.1 F) |
| 1967 | 37.2 C (99.0 F) |
| 1968 | 38.3 C (100.9 F) |
| 1969 | 39.4 C (102.9 F) |
| 1970 | 40.6 C (105.1 F) |
| 1971 | 38.3 C (100.9 F) |
| 1972 | 36.7 C (98.1 F) |
| 1973 | 43.3 C (109.9 F) |
| 1974 | 39.4 C (102.9 F) |
| 1975 | 40.6 C (105.1 F) |
| 1976 | 40.6 C (105.1 F) |
| 1977 | 38.9 C (102.0 F) |
| 1978 | 40.0 C (104.0 F) |
| 1979 | 40.6 C (105.1 F) |
| 1980 | 42.2 C (108.0 F) |
| 1981 | 43.3 C (109.9 F) |
| 1982 | 37.8 C (100.0 F) |
| 1983 | 41.1 C (106.0 F) |
| 1984 | 39.4 C (102.9 F) |
| 1985 | 41.1 C (106.0 F) |
| 1986 | 37.2 C (99.0 F) |
| 1987 | 38.9 C (102.0 F) |
| 1988 | 41.7 C (107.1 F) |
| 1989 | 37.2 C (99.0 F) |
| 1990 | 41.1 C (106.0 F) |
| 1991 | 40.0 C (104.0 F) |
| 1992 | 36.1 C (97.0 F) |
| 1993 | 31.1 C (88.0 F) |
| 1994 | 37.2 C (99.0 F) |
| 1997 | 35.6 C (96.1 F) |
| 1998 | 40.0 C (104.0 F) |
| 1999 | 41.1 C (106.0 F) |
| 2000 | 40.0 C (104.0 F) |
| 2001 | 43.3 C (109.9 F) |
| 2002 | 38.9 C (102.0 F) |
| 2003 | 41.1 C (106.0 F) |
| 2004 | 38.3 C (100.9 F) |
| 2005 | 36.1 C (97.0 F) |
| 2006 | 37.2 C (99.0 F) |
| 2007 | 15.6 C (60.1 F) |
| 2009 | 34.4 C (93.9 F) |
Coldest night (TNn)
| Year | Coldest night (TNn) |
|---|---|
| 1957 | n/a |
| 1958 | -34.4 C (-29.9 F) |
| 1959 | -33.3 C (-27.9 F) |
| 1960 | -35.0 C (-31.0 F) |
| 1961 | -27.8 C (-18.0 F) |
| 1962 | -35.0 C (-31.0 F) |
| 1963 | -37.8 C (-36.0 F) |
| 1964 | -35.6 C (-32.1 F) |
| 1965 | -31.7 C (-25.1 F) |
| 1966 | -39.4 C (-38.9 F) |
| 1967 | -33.9 C (-29.0 F) |
| 1968 | -34.4 C (-29.9 F) |
| 1969 | -33.9 C (-29.0 F) |
| 1970 | -38.9 C (-38.0 F) |
| 1971 | -35.0 C (-31.0 F) |
| 1972 | -41.1 C (-42.0 F) |
| 1973 | -33.9 C (-29.0 F) |
| 1974 | -31.7 C (-25.1 F) |
| 1975 | -34.4 C (-29.9 F) |
| 1976 | -38.9 C (-38.0 F) |
| 1977 | -37.8 C (-36.0 F) |
| 1978 | -34.4 C (-29.9 F) |
| 1979 | -34.4 C (-29.9 F) |
| 1980 | -37.2 C (-35.0 F) |
| 1981 | -29.4 C (-20.9 F) |
| 1982 | -37.2 C (-35.0 F) |
| 1983 | -35.0 C (-31.0 F) |
| 1984 | -31.7 C (-25.1 F) |
| 1985 | -32.2 C (-26.0 F) |
| 1986 | -28.9 C (-20.0 F) |
| 1987 | -23.9 C (-11.0 F) |
| 1988 | -40.0 C (-40.0 F) |
| 1989 | -40.6 C (-41.1 F) |
| 1990 | -40.0 C (-40.0 F) |
| 1991 | -33.3 C (-27.9 F) |
| 1992 | -30.6 C (-23.1 F) |
| 1993 | -32.2 C (-26.0 F) |
| 1994 | -43.3 C (-45.9 F) |
| 1997 | -18.3 C (-0.9 F) |
| 1998 | -40.0 C (-40.0 F) |
| 1999 | -32.2 C (-26.0 F) |
| 2000 | -33.3 C (-27.9 F) |
| 2001 | -34.4 C (-29.9 F) |
| 2002 | -30.0 C (-22.0 F) |
| 2003 | -34.4 C (-29.9 F) |
| 2004 | -31.7 C (-25.1 F) |
| 2005 | 1.7 C (35.1 F) |
| 2006 | -26.7 C (-16.1 F) |
| 2007 | -27.8 C (-18.0 F) |
| 2009 | -18.9 C (-2.0 F) |
Wettest day (Rx1day)
| Year | Wettest day (Rx1day) |
|---|---|
| 1957 | 39.1 mm (1.5 in) |
| 1958 | 23.9 mm (0.9 in) |
| 1959 | 25.9 mm (1.0 in) |
| 1960 | 44.5 mm (1.8 in) |
| 1961 | 35.3 mm (1.4 in) |
| 1962 | 41.9 mm (1.6 in) |
| 1963 | 27.9 mm (1.1 in) |
| 1964 | 39.9 mm (1.6 in) |
| 1965 | 27.9 mm (1.1 in) |
| 1966 | 17.8 mm (0.7 in) |
| 1967 | 42.9 mm (1.7 in) |
| 1968 | 38.1 mm (1.5 in) |
| 1969 | 47.8 mm (1.9 in) |
| 1970 | 25.4 mm (1.0 in) |
| 1971 | 47.0 mm (1.9 in) |
| 1972 | 43.2 mm (1.7 in) |
| 1973 | 41.4 mm (1.6 in) |
| 1974 | 31.5 mm (1.2 in) |
| 1975 | 60.5 mm (2.4 in) |
| 1976 | 48.0 mm (1.9 in) |
| 1977 | 68.6 mm (2.7 in) |
| 1978 | 31.8 mm (1.3 in) |
| 1979 | 45.7 mm (1.8 in) |
| 1980 | 29.7 mm (1.2 in) |
| 1981 | 19.1 mm (0.8 in) |
| 1982 | 48.3 mm (1.9 in) |
| 1983 | 48.3 mm (1.9 in) |
| 1984 | 50.8 mm (2.0 in) |
| 1985 | 34.8 mm (1.4 in) |
| 1986 | 55.1 mm (2.2 in) |
| 1987 | 63.5 mm (2.5 in) |
| 1988 | 47.0 mm (1.9 in) |
| 1989 | 76.2 mm (3.0 in) |
| 1990 | 21.6 mm (0.9 in) |
| 1991 | 39.4 mm (1.6 in) |
| 1992 | 47.0 mm (1.9 in) |
| 1993 | 38.1 mm (1.5 in) |
| 1994 | 34.3 mm (1.4 in) |
| 1997 | 40.6 mm (1.6 in) |
| 1998 | 55.9 mm (2.2 in) |
| 1999 | 38.1 mm (1.5 in) |
| 2000 | 42.7 mm (1.7 in) |
| 2001 | 31.8 mm (1.3 in) |
| 2002 | 30.5 mm (1.2 in) |
| 2003 | 50.8 mm (2.0 in) |
| 2004 | 25.4 mm (1.0 in) |
| 2005 | 38.1 mm (1.5 in) |
| 2006 | 19.1 mm (0.8 in) |
| 2007 | 3.8 mm (0.15 in) |
| 2009 | 51.3 mm (2.0 in) |
Wettest five days (Rx5day)
| Year | Wettest five days (Rx5day) |
|---|---|
| 1957 | 46.7 mm (1.8 in) |
| 1958 | 40.5 mm (1.6 in) |
| 1959 | 39.6 mm (1.6 in) |
| 1960 | 60.6 mm (2.4 in) |
| 1961 | 36.6 mm (1.4 in) |
| 1962 | 96.0 mm (3.8 in) |
| 1963 | 59.4 mm (2.3 in) |
| 1964 | 58.6 mm (2.3 in) |
| 1965 | 44.7 mm (1.8 in) |
| 1966 | 25.5 mm (1.0 in) |
| 1967 | 52.0 mm (2.0 in) |
| 1968 | 58.6 mm (2.3 in) |
| 1969 | 91.0 mm (3.6 in) |
| 1970 | 42.9 mm (1.7 in) |
| 1971 | 52.1 mm (2.1 in) |
| 1972 | 56.2 mm (2.2 in) |
| 1973 | 62.4 mm (2.5 in) |
| 1974 | 45.8 mm (1.8 in) |
| 1975 | 66.3 mm (2.6 in) |
| 1976 | 85.4 mm (3.4 in) |
| 1977 | 87.2 mm (3.4 in) |
| 1978 | 53.1 mm (2.1 in) |
| 1979 | 58.4 mm (2.3 in) |
| 1980 | 52.5 mm (2.1 in) |
| 1981 | 48.3 mm (1.9 in) |
| 1982 | 76.5 mm (3.0 in) |
| 1983 | 48.3 mm (1.9 in) |
| 1984 | 50.8 mm (2.0 in) |
| 1985 | 53.4 mm (2.1 in) |
| 1986 | 104.1 mm (4.1 in) |
| 1987 | 72.4 mm (2.9 in) |
| 1988 | 59.7 mm (2.4 in) |
| 1989 | 140.0 mm (5.5 in) |
| 1990 | 38.9 mm (1.5 in) |
| 1991 | 47.8 mm (1.9 in) |
| 1992 | 47.0 mm (1.9 in) |
| 1993 | 80.6 mm (3.2 in) |
| 1994 | 33.9 mm (1.3 in) |
| 1997 | 54.6 mm (2.1 in) |
| 1998 | 55.9 mm (2.2 in) |
| 1999 | 55.9 mm (2.2 in) |
| 2000 | 72.1 mm (2.8 in) |
| 2001 | 43.0 mm (1.7 in) |
| 2002 | 30.5 mm (1.2 in) |
| 2003 | 101.6 mm (4.0 in) |
| 2004 | 26.2 mm (1.0 in) |
| 2005 | 52.1 mm (2.1 in) |
| 2006 | 25.5 mm (1.0 in) |
| 2007 | 3.8 mm (0.15 in) |
| 2009 | 80.5 mm (3.2 in) |
Longest dry spell (CDD)
| Year | Longest dry spell (CDD) |
|---|---|
| 1957 | 46 days |
| 1958 | 31 days |
| 1959 | 41 days |
| 1960 | 37 days |
| 1961 | 35 days |
| 1962 | 29 days |
| 1963 | 36 days |
| 1964 | 38 days |
| 1965 | 52 days |
| 1966 | 24 days |
| 1967 | 40 days |
| 1968 | 47 days |
| 1969 | 69 days |
| 1970 | 23 days |
| 1971 | 73 days |
| 1972 | 27 days |
| 1973 | 29 days |
| 1974 | 45 days |
| 1975 | 30 days |
| 1976 | 42 days |
| 1977 | 24 days |
| 1978 | 47 days |
| 1979 | 45 days |
| 1980 | 65 days |
| 1981 | 82 days |
| 1982 | 29 days |
| 1983 | 63 days |
| 1984 | 62 days |
| 1985 | 36 days |
| 1986 | 30 days |
| 1987 | 74 days |
| 1988 | 119 days |
| 1989 | 36 days |
| 1990 | 66 days |
| 1991 | 44 days |
| 1992 | 37 days |
| 1993 | 17 days |
| 1994 | 22 days |
| 1997 | 27 days |
| 1998 | 28 days |
| 1999 | 42 days |
| 2000 | 94 days |
| 2001 | 35 days |
| 2002 | 41 days |
| 2003 | 29 days |
| 2004 | 26 days |
| 2005 | 6 days |
| 2006 | 31 days |
| 2007 | 27 days |
| 2009 | 34 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
24 years with a frostAcross 24 years with a frost, the median last spring frost at Usta 8 WNW Kelly Rch falls on 15 May and the median first autumn frost on 14 September, which leaves a median of 123 days between them.
| Measure | Median, all years | Earliest period | Recent period (1959 to 1999) | Recent against earliest | Fitted trend |
|---|---|---|---|---|---|
| Last spring frost | 15 May | n/a | 15 May | n/a | n/a |
| First autumn frost | 14 September | n/a | 14 September | n/a | n/a |
| Growing days | 123 days | n/a | 123 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
32 years, 1958 to 1999A day with at least 39.2 mm (1.5 in) of rain is expected about once in 2 years. A day with at least 68.5 mm (2.7 in) of rain is expected about once in 100 years.
| Expected about once in | A day with at least | Note |
|---|---|---|
| 2 years | 39.2 mm (1.5 in) | |
| 5 years | 50.3 mm (2.0 in) | |
| 10 years | 56.1 mm (2.2 in) | |
| 25 years | 62.0 mm (2.4 in) | |
| 50 years | 65.6 mm (2.6 in) | Longer than the 32 years of record |
| 100 years | 68.5 mm (2.7 in) | Longer than the 32 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, 32 years of values from 1958 to 1999.
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: 68.6 mm (2.7 in) in 1977; 63.5 mm (2.5 in) in 1987; 60.5 mm (2.4 in) in 1975.
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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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.
Data as of . Last revised (2025-12-31).