Holma Threshold Days by Year (SWE00138454)
11 fixed thresholds counted per year at Holma (SWE00138454): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Holma Thresholds
- Holma: days with a maximum temperature at or below 0 C (32 F) in 34 years, most in 1985 with 81.
- Holma: nights with a minimum temperature at or below 0 C (32 F) in 34 years, most in 1985 with 160.
- Holma: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1974 with 24.
- Holma: nights with a minimum temperature at or below -10 C (14 F) in 32 years, most in 1985 with 50.
- 11 fixed thresholds have at least one qualifying day at Holma.
Days at or above 30 C (86 F)
15 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1963 | 1 | 1 |
| 1969 | 1 | 1 |
| 1970 | 2 | 2.2 |
| 1972 | 2 | 2.2 |
| 1973 | 1 | 2.2 |
| 1975 | 6 | 2.2 |
| 1976 | 1 | 2.2 |
| 1979 | 1 | 2.2 |
| 1982 | 6 | 3.3 |
| 1983 | 4 | 3.3 |
| 1986 | 1 | 3.3 |
| 1989 | 2 | 3.3 |
| 1991 | 1 | 3 |
| 1994 | 7 | 3 |
| 1995 | 1 | 3 |
| Year | First date | Last date |
|---|---|---|
| 1963 | 1963-07-04 | 1963-07-04 |
| 1969 | 1969-08-07 | 1969-08-07 |
| 1970 | 1970-06-19 | 1970-06-20 |
| 1972 | 1972-06-29 | 1972-07-18 |
| 1973 | 1973-06-25 | 1973-06-25 |
| 1975 | 1975-08-04 | 1975-08-11 |
| 1976 | 1976-06-26 | 1976-06-26 |
| 1979 | 1979-06-02 | 1979-06-02 |
| 1982 | 1982-06-05 | 1982-08-08 |
| 1983 | 1983-07-09 | 1983-08-11 |
| 1986 | 1986-06-26 | 1986-06-26 |
| 1989 | 1989-07-05 | 1989-07-07 |
| 1991 | 1991-07-07 | 1991-07-07 |
| 1994 | 1994-07-11 | 1994-07-29 |
| 1995 | 1995-08-19 | 1995-08-19 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 15 | 7 | 1994 | 1 |
| 35 C (95 F): Days | 1 | 3 | 1975 | 3 |
| 90 F (32.2 C): Days | 4 | 5 | 1975 | 1 |
| 0 C (32 F): Ice days (max | 34 | 81 | 1985 | 45 |
| 0 C (32 F): Frost days (min | 34 | 160 | 1985 | 113 |
| -10 C (14 F): Days with min | 32 | 50 | 1985 | 22 |
| -20 C (-4 F): Days with min | 12 | 9 | 1985 | 1 |
| 20 C (68 F): Tropical nights (min | 2 | 2 | 1994 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 34 | 24 | 1974 | 14 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 27 | 4 | 1967 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 4 | 1 | 1967 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.
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).