Hampshire 3 SW Threshold Days by Year (USC00484225)
18 fixed thresholds counted per year at Hampshire 3 SW (USC00484225): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Hampshire 3 SW Thresholds
- Hampshire 3 SW: days with 10 mm (0.39 in) or more of precipitation in 16 years, most in 1947 with 11.
- Hampshire 3 SW: nights with a minimum temperature at or below 0 C (32 F) in 14 years, most in 1951 with 201.
- Hampshire 3 SW: nights with a minimum temperature at or below -10 C (14 F) in 14 years, most in 1951 with 105.
- Hampshire 3 SW: nights with a minimum temperature at or below -20 C (-4 F) in 14 years, most in 1949 with 34.
- 18 fixed thresholds have at least one qualifying day at Hampshire 3 SW.
Days at or above 30 C (86 F)
13 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1939 | 73 | 73 |
| 1941 | 59 | 57.9 |
| 1942 | 48 | 57.9 |
| 1943 | 71 | 57.9 |
| 1945 | 48 | 57.9 |
| 1946 | 55 | 57.9 |
| 1947 | 59 | 57.9 |
| 1948 | 61 | 57.9 |
| 1949 | 62 | 57.9 |
| 1951 | 29 | 60.8 |
| 1952 | 80 | 60.8 |
| 1953 | 75 | 60.8 |
| 1954 | 59 | 60.8 |
| Year | First date | Last date |
|---|---|---|
| 1939 | 1939-05-16 | 1939-09-22 |
| 1941 | 1941-05-12 | 1941-09-20 |
| 1942 | 1942-06-26 | 1942-09-29 |
| 1943 | 1943-06-18 | 1943-10-04 |
| 1945 | 1945-06-21 | 1945-09-08 |
| 1946 | 1946-06-04 | 1946-09-26 |
| 1947 | 1947-05-02 | 1947-10-05 |
| 1948 | 1948-05-17 | 1948-09-23 |
| 1949 | 1949-06-19 | 1949-09-29 |
| 1951 | 1951-05-23 | 1951-09-10 |
| 1952 | 1952-04-26 | 1952-09-27 |
| 1953 | 1953-06-10 | 1953-10-10 |
| 1954 | 1954-05-20 | 1954-10-09 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 13 | 80 | 1952 | 59 |
| 35 C (95 F): Days | 13 | 31 | 1939 | 29 |
| 40 C (104 F): Days | 8 | 5 | 1954 | 5 |
| 90 F (32.2 C): Days | 13 | 65 | 1952 | 48 |
| 100 F (37.8 C): Days | 12 | 12 | 1954 | 12 |
| 110 F (43.3 C): Days | 1 | 1 | 1939 | 1 |
| 0 C (32 F): Ice days (max | 13 | 54 | 1948 | 23 |
| 0 C (32 F): Frost days (min | 14 | 201 | 1951 | 195 |
| -10 C (14 F): Days with min | 14 | 105 | 1951 | 55 |
| -20 C (-4 F): Days with min | 14 | 34 | 1949 | 8 |
| -30 C (-22 F): Days with min | 12 | 7 | 1949 | 5 |
| 20 C (68 F): Tropical nights (min | 9 | 9 | 1947 | 1 |
| 25 C (77 F): Days with min | 1 | 1 | 1947 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 16 | 11 | 1947 | 7 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 12 | 5 | 1941 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 3 | 2 | 1932 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 11 | 4 | 1947 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 1 | 1953 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.
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).