Melsom Threshold Days by Year (NOE00135018)
12 fixed thresholds counted per year at Melsom (NOE00135018): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Melsom Thresholds
- Melsom: days with a maximum temperature at or below 0 C (32 F) in 58 years, most in 2010 with 100.
- Melsom: nights with a minimum temperature at or below 0 C (32 F) in 58 years, most in 2010 with 165.
- Melsom: nights with a minimum temperature at or below -10 C (14 F) in 57 years, most in 2010 with 65.
- Melsom: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 2020 with 51.
- 12 fixed thresholds have at least one qualifying day at Melsom.
Days at or above 30 C (86 F)
14 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1975 | 5 | 3 |
| 1977 | 1 | 3 |
| 1982 | 3 | 2.5 |
| 1988 | 2 | 2.5 |
| 2004 | 1 | 1.8 |
| 2007 | 1 | 1.8 |
| 2008 | 4 | 1.8 |
| 2009 | 1 | 1.8 |
| 2014 | 5 | 4.3 |
| 2018 | 5 | 4.3 |
| 2019 | 3 | 4.3 |
| 2023 | 1 | 1.7 |
| 2025 | 3 | 1.7 |
| 2026 | 1 | 1.7 |
| Year | First date | Last date |
|---|---|---|
| 1975 | 1975-08-06 | 1975-08-11 |
| 1977 | 1977-06-15 | 1977-06-15 |
| 1982 | 1982-08-02 | 1982-08-05 |
| 1988 | 1988-06-26 | 1988-06-27 |
| 2004 | 2004-08-10 | 2004-08-10 |
| 2007 | 2007-06-08 | 2007-06-08 |
| 2008 | 2008-07-25 | 2008-07-28 |
| 2009 | 2009-06-28 | 2009-06-28 |
| 2014 | 2014-07-22 | 2014-07-26 |
| 2018 | 2018-06-28 | 2018-07-28 |
| 2019 | 2019-07-26 | 2019-07-28 |
| 2023 | 2023-06-15 | 2023-06-15 |
| 2025 | 2025-07-17 | 2025-07-24 |
| 2026 | 2026-07-15 | 2026-07-15 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 14 | 5 | 1975 | 1 |
| 90 F (32.2 C): Days | 3 | 1 | 1982 | 1 |
| 0 C (32 F): Ice days (max | 58 | 100 | 2010 | 44 |
| 0 C (32 F): Frost days (min | 58 | 165 | 2010 | 71 |
| -10 C (14 F): Days with min | 57 | 65 | 2010 | 15 |
| -20 C (-4 F): Days with min | 28 | 12 | 1966 | 3 |
| -30 C (-22 F): Days with min | 1 | 1 | 1966 | 1 |
| 20 C (68 F): Tropical nights (min | 3 | 1 | 1972 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 55 | 51 | 2020 | 17 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 54 | 11 | 1988 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 27 | 4 | 2014 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 2015 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.
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 (2026-10-12).