Storfinnforsen Threshold Days by Year (SWE00140110)
10 fixed thresholds counted per year at Storfinnforsen (SWE00140110): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Storfinnforsen Thresholds
- Storfinnforsen: days with a maximum temperature at or below 0 C (32 F) in 62 years, most in 1966 with 124.
- Storfinnforsen: nights with a minimum temperature at or below 0 C (32 F) in 62 years, most in 1954 with 224.
- Storfinnforsen: nights with a minimum temperature at or below -10 C (14 F) in 62 years, most in 1985 with 112.
- Storfinnforsen: nights with a minimum temperature at or below -20 C (-4 F) in 62 years, most in 1969 with 56.
- 10 fixed thresholds have at least one qualifying day at Storfinnforsen.
Days at or above 30 C (86 F)
10 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1955 | 3 | 2.5 |
| 1958 | 2 | 2.5 |
| 1968 | 1 | 1 |
| 1973 | 2 | 2 |
| 1991 | 1 | 1.5 |
| 1994 | 2 | 1.5 |
| 2003 | 2 | 1.5 |
| 2008 | 1 | 1.5 |
| 2014 | 6 | 4 |
| 2015 | 2 | 4 |
| Year | First date | Last date |
|---|---|---|
| 1955 | 1955-07-11 | 1955-07-27 |
| 1958 | 1958-06-29 | 1958-07-02 |
| 1968 | 1968-07-03 | 1968-07-03 |
| 1973 | 1973-07-02 | 1973-07-03 |
| 1991 | 1991-07-09 | 1991-07-09 |
| 1994 | 1994-07-26 | 1994-07-27 |
| 2003 | 2003-07-16 | 2003-07-17 |
| 2008 | 2008-06-05 | 2008-06-05 |
| 2014 | 2014-07-22 | 2014-07-27 |
| 2015 | 2015-07-02 | 2015-07-03 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 10 | 6 | 2014 | 2 |
| 0 C (32 F): Ice days (max | 62 | 124 | 1966 | 87 |
| 0 C (32 F): Frost days (min | 62 | 224 | 1954 | 205 |
| -10 C (14 F): Days with min | 62 | 112 | 1985 | 59 |
| -20 C (-4 F): Days with min | 62 | 56 | 1969 | 3 |
| -30 C (-22 F): Days with min | 33 | 15 | 1966 | 3 |
| -40 C (-40 F): Days with min | 2 | 1 | 1966 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 61 | 30 | 2000 | 15 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 50 | 6 | 1964 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 7 | 1 | 1970 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.
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).