Sula 2 SE (Sula Rs) Threshold Days by Year (USC00247964)
14 fixed thresholds counted per year at Sula 2 SE (Sula Rs) (USC00247964): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Sula 2 SE (Sula Rs) Thresholds
- Sula 2 SE (Sula Rs): days with 10 mm (0.39 in) or more of precipitation in 56 years, most in 1980 with 17.
- Sula 2 SE (Sula Rs): nights with a minimum temperature at or below 0 C (32 F) in 54 years, most in 1966 with 278.
- Sula 2 SE (Sula Rs): nights with a minimum temperature at or below -10 C (14 F) in 54 years, most in 1985 with 121.
- Sula 2 SE (Sula Rs): nights with a minimum temperature at or below -20 C (-4 F) in 54 years, most in 1985 with 46.
- 14 fixed thresholds have at least one qualifying day at Sula 2 SE (Sula Rs).
Days at or above 30 C (86 F)
47 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1956 | 25 | 31.8 |
| 1957 | 38 | 31.8 |
| 1958 | 30 | 31.8 |
| 1959 | 34 | 31.8 |
| 1960 | 30 | 28.9 |
| 1961 | 49 | 28.9 |
| 1962 | 14 | 28.9 |
| 1963 | 27 | 28.9 |
| 1964 | 22 | 28.9 |
| 1965 | 12 | 28.9 |
| 1966 | 47 | 28.9 |
| 1968 | 23 | 28.9 |
| 1969 | 36 | 28.9 |
| 1970 | 45 | 29.3 |
| 1971 | 39 | 29.3 |
| 1972 | 24 | 29.3 |
| 1973 | 38 | 29.3 |
| 1974 | 38 | 29.3 |
| 1976 | 14 | 29.3 |
| 1977 | 11 | 29.3 |
| 1978 | 20 | 29.3 |
| 1979 | 35 | 29.3 |
| 1980 | 11 | 27.3 |
| 1981 | 38 | 27.3 |
| 1982 | 24 | 27.3 |
| 1983 | 23 | 27.3 |
| 1984 | 22 | 27.3 |
| 1985 | 29 | 27.3 |
| 1986 | 37 | 27.3 |
| 1987 | 28 | 27.3 |
| 1988 | 35 | 27.3 |
| 1989 | 26 | 27.3 |
| 1990 | 35 | 22.9 |
| 1991 | 40 | 22.9 |
| 1992 | 28 | 22.9 |
| 1993 | 3 | 22.9 |
| 1994 | 27 | 22.9 |
| 1995 | 13 | 22.9 |
| 1996 | 22 | 22.9 |
| 1997 | 9 | 22.9 |
| 1998 | 32 | 22.9 |
| 1999 | 20 | 22.9 |
| 2001 | 30 | 25 |
| 2008 | 18 | 25 |
| 2009 | 27 | 25 |
| 2010 | 14 | 17.5 |
| 2011 | 21 | 17.5 |
| Year | First date | Last date |
|---|---|---|
| 1956 | 1956-06-10 | 1956-09-19 |
| 1957 | 1957-06-03 | 1957-09-30 |
| 1958 | 1958-06-23 | 1958-09-12 |
| 1959 | 1959-06-12 | 1959-09-13 |
| 1960 | 1960-07-06 | 1960-08-21 |
| 1961 | 1961-06-15 | 1961-08-24 |
| 1962 | 1962-06-25 | 1962-08-20 |
| 1963 | 1963-06-19 | 1963-10-01 |
| 1964 | 1964-05-19 | 1964-08-18 |
| 1965 | 1965-06-11 | 1965-08-11 |
| 1966 | 1966-05-27 | 1966-09-23 |
| 1968 | 1968-06-19 | 1968-09-10 |
| 1969 | 1969-06-04 | 1969-09-09 |
| 1970 | 1970-06-03 | 1970-08-30 |
| 1971 | 1971-06-21 | 1971-09-10 |
| 1972 | 1972-05-30 | 1972-08-28 |
| 1973 | 1973-06-21 | 1973-09-10 |
| 1974 | 1974-06-12 | 1974-09-17 |
| 1976 | 1976-06-28 | 1976-09-05 |
| 1977 | 1977-06-05 | 1977-09-06 |
| 1978 | 1978-07-14 | 1978-09-03 |
| 1979 | 1979-05-23 | 1979-09-18 |
| 1980 | 1980-07-21 | 1980-09-05 |
| 1981 | 1981-06-25 | 1981-09-18 |
| 1982 | 1982-07-20 | 1982-09-03 |
| 1983 | 1983-05-27 | 1983-09-01 |
| 1984 | 1984-05-29 | 1984-09-18 |
| 1985 | 1985-06-28 | 1985-08-27 |
| 1986 | 1986-05-26 | 1986-08-28 |
| 1987 | 1987-05-07 | 1987-09-24 |
| 1988 | 1988-06-16 | 1988-09-06 |
| 1989 | 1989-06-29 | 1989-09-29 |
| 1990 | 1990-06-09 | 1990-09-24 |
| 1991 | 1991-07-03 | 1991-10-11 |
| 1992 | 1992-06-10 | 1992-10-01 |
| 1993 | 1993-06-20 | 1993-07-29 |
| 1994 | 1994-06-20 | 1994-09-08 |
| 1995 | 1995-07-08 | 1995-09-03 |
| 1996 | 1996-06-07 | 1996-08-30 |
| 1997 | 1997-07-15 | 1997-08-26 |
| 1998 | 1998-07-09 | 1998-09-06 |
| 1999 | 1999-07-12 | 1999-09-17 |
| 2001 | 2001-05-24 | 2001-09-25 |
| 2008 | 2008-06-29 | 2008-08-29 |
| 2009 | 2009-07-16 | 2009-09-24 |
| 2010 | 2010-06-28 | 2010-10-02 |
| 2011 | 2011-06-28 | 2011-10-03 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 47 | 49 | 1961 | 21 |
| 35 C (95 F): Days | 22 | 6 | 1960 | 1 |
| 90 F (32.2 C): Days | 46 | 33 | 1961 | 6 |
| 100 F (37.8 C): Days | 1 | 2 | 1961 | 2 |
| 0 C (32 F): Ice days (max | 47 | 69 | 1985 | 45 |
| 0 C (32 F): Frost days (min | 54 | 278 | 1966 | 211 |
| -10 C (14 F): Days with min | 54 | 121 | 1985 | 67 |
| -20 C (-4 F): Days with min | 54 | 46 | 1985 | 6 |
| -30 C (-22 F): Days with min | 41 | 11 | 1972 | 1 |
| -40 C (-40 F): Days with min | 10 | 3 | 1978 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 56 | 17 | 1980 | 1 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 22 | 3 | 1964 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 32 | 11 | 1964 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 4 | 2 | 1964 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1956.
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). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-17).