Fransta_11 Threshold Days by Year (SWE00139832)
10 fixed thresholds counted per year at Fransta_11 (SWE00139832): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Fransta_11 Thresholds
- Fransta_11: days with a maximum temperature at or below 0 C (32 F) in 38 years, most in 1947 with 116.
- Fransta_11: nights with a minimum temperature at or below 0 C (32 F) in 38 years, most in 1976 with 224.
- Fransta_11: nights with a minimum temperature at or below -10 C (14 F) in 38 years, most in 1980 with 111.
- Fransta_11: nights with a minimum temperature at or below -20 C (-4 F) in 38 years, most in 1980 with 56.
- 10 fixed thresholds have at least one qualifying day at Fransta_11.
Days at or above 30 C (86 F)
19 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1945 | 5 | 3.6 |
| 1946 | 3 | 3.6 |
| 1947 | 6 | 3.6 |
| 1948 | 3 | 3.6 |
| 1949 | 1 | 3.6 |
| 1966 | 1 | 2 |
| 1968 | 3 | 2 |
| 1969 | 2 | 2 |
| 1970 | 1 | 2.8 |
| 1973 | 5 | 2.8 |
| 1975 | 6 | 2.8 |
| 1977 | 1 | 2.8 |
| 1979 | 1 | 2.8 |
| 1982 | 3 | 3 |
| 1983 | 2 | 3 |
| 1986 | 4 | 3 |
| 1988 | 3 | 3 |
| 1991 | 2 | 3 |
| 1994 | 4 | 3 |
| Year | First date | Last date |
|---|---|---|
| 1945 | 1945-07-12 | 1945-08-11 |
| 1946 | 1946-07-18 | 1946-07-20 |
| 1947 | 1947-06-28 | 1947-08-16 |
| 1948 | 1948-07-27 | 1948-07-31 |
| 1949 | 1949-07-10 | 1949-07-10 |
| 1966 | 1966-06-18 | 1966-06-18 |
| 1968 | 1968-06-13 | 1968-07-03 |
| 1969 | 1969-06-28 | 1969-07-30 |
| 1970 | 1970-06-19 | 1970-06-19 |
| 1973 | 1973-06-22 | 1973-07-06 |
| 1975 | 1975-07-30 | 1975-08-10 |
| 1977 | 1977-06-15 | 1977-06-15 |
| 1979 | 1979-06-07 | 1979-06-07 |
| 1982 | 1982-08-01 | 1982-08-04 |
| 1983 | 1983-07-09 | 1983-07-10 |
| 1986 | 1986-06-17 | 1986-06-26 |
| 1988 | 1988-06-26 | 1988-06-28 |
| 1991 | 1991-07-06 | 1991-07-09 |
| 1994 | 1994-07-13 | 1994-08-05 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 19 | 6 | 1947 | 4 |
| 90 F (32.2 C): Days | 5 | 4 | 1947 | 1 |
| 0 C (32 F): Ice days (max | 38 | 116 | 1947 | 80 |
| 0 C (32 F): Frost days (min | 38 | 224 | 1976 | 213 |
| -10 C (14 F): Days with min | 38 | 111 | 1980 | 81 |
| -20 C (-4 F): Days with min | 38 | 56 | 1980 | 23 |
| -30 C (-22 F): Days with min | 26 | 15 | 1985 | 5 |
| -40 C (-40 F): Days with min | 3 | 1 | 1978 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 33 | 18 | 1966 | 11 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 18 | 3 | 1980 | 3 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.
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 (2025-12-31).