Svalov Threshold Days by Year (SWE00137604)
10 fixed thresholds counted per year at Svalov (SWE00137604): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Svalov Thresholds
- Svalov: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1981 with 31.
- Svalov: days with a maximum temperature at or below 0 C (32 F) in 43 years, most in 1963 with 76.
- Svalov: nights with a minimum temperature at or below 0 C (32 F) in 43 years, most in 1947 with 137.
- Svalov: nights with a minimum temperature at or below -10 C (14 F) in 38 years, most in 1947 with 35.
- 10 fixed thresholds have at least one qualifying day at Svalov.
Days at or above 30 C (86 F)
13 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1945 | 1 | 2.3 |
| 1946 | 1 | 2.3 |
| 1947 | 2 | 2.3 |
| 1948 | 5 | 2.3 |
| 1953 | 3 | 1.7 |
| 1954 | 1 | 1.7 |
| 1959 | 1 | 1.7 |
| 1969 | 1 | 1 |
| 1973 | 2 | 3.3 |
| 1975 | 7 | 3.3 |
| 1979 | 1 | 3.3 |
| 1982 | 7 | 4.5 |
| 1989 | 2 | 4.5 |
| Year | First date | Last date |
|---|---|---|
| 1945 | 1945-07-16 | 1945-07-16 |
| 1946 | 1946-07-05 | 1946-07-05 |
| 1947 | 1947-06-29 | 1947-06-30 |
| 1948 | 1948-07-29 | 1948-08-02 |
| 1953 | 1953-06-30 | 1953-07-03 |
| 1954 | 1954-06-20 | 1954-06-20 |
| 1959 | 1959-07-09 | 1959-07-09 |
| 1969 | 1969-08-08 | 1969-08-08 |
| 1973 | 1973-07-05 | 1973-08-16 |
| 1975 | 1975-08-05 | 1975-08-11 |
| 1979 | 1979-06-01 | 1979-06-01 |
| 1982 | 1982-06-03 | 1982-08-08 |
| 1989 | 1989-07-07 | 1989-07-08 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 13 | 7 | 1975 | 2 |
| 35 C (95 F): Days | 1 | 1 | 1975 | 1 |
| 90 F (32.2 C): Days | 4 | 5 | 1975 | 1 |
| 0 C (32 F): Ice days (max | 43 | 76 | 1963 | 5 |
| 0 C (32 F): Frost days (min | 43 | 137 | 1947 | 49 |
| -10 C (14 F): Days with min | 38 | 35 | 1947 | 1 |
| -20 C (-4 F): Days with min | 5 | 4 | 1956 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 57 | 31 | 1981 | 18 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 38 | 4 | 1947 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 2 | 1 | 1965 | 1 |
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).