Colonial Beach Threshold Days by Year
15 fixed thresholds counted per year at Colonial Beach (USC00441913): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Colonial Beach Thresholds
- Colonial Beach: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1996 with 52.
- Colonial Beach: days with 25 mm (0.98 in) or more of precipitation in 27 years, most in 1996 with 17.
- Colonial Beach: days with 50 mm (1.97 in) or more of precipitation in 20 years, most in 1993 with 7.
- Colonial Beach: days with a maximum temperature at or above 30 C (86 F) in 17 years, most in 1993 with 105.
- 15 fixed thresholds have at least one qualifying day at Colonial Beach.
Days at or above 30 C (86 F)
17 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1964 | 75 | 77.3 |
| 1965 | 78 | 77.3 |
| 1966 | 79 | 77.3 |
| 1970 | 102 | 75 |
| 1971 | 75 | 75 |
| 1972 | 54 | 75 |
| 1976 | 71 | 75 |
| 1977 | 85 | 75 |
| 1979 | 63 | 75 |
| 1980 | 86 | 84.7 |
| 1987 | 85 | 84.7 |
| 1988 | 83 | 84.7 |
| 1992 | 62 | 88.8 |
| 1993 | 105 | 88.8 |
| 1994 | 92 | 88.8 |
| 1995 | 100 | 88.8 |
| 1996 | 85 | 88.8 |
| Year | First date | Last date |
|---|---|---|
| 1964 | 1964-04-17 | 1964-09-24 |
| 1965 | 1965-05-04 | 1965-09-24 |
| 1966 | 1966-04-24 | 1966-09-07 |
| 1970 | 1970-05-09 | 1970-10-04 |
| 1971 | 1971-04-14 | 1971-09-21 |
| 1972 | 1972-06-04 | 1972-09-28 |
| 1976 | 1976-04-16 | 1976-09-14 |
| 1977 | 1977-04-12 | 1977-10-02 |
| 1979 | 1979-05-09 | 1979-09-14 |
| 1980 | 1980-05-04 | 1980-10-09 |
| 1987 | 1987-05-12 | 1987-09-30 |
| 1988 | 1988-05-23 | 1988-10-03 |
| 1992 | 1992-05-02 | 1992-09-23 |
| 1993 | 1993-05-11 | 1993-09-27 |
| 1994 | 1994-04-15 | 1994-09-21 |
| 1995 | 1995-04-09 | 1995-10-14 |
| 1996 | 1996-04-24 | 1996-09-11 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 17 | 105 | 1993 | 85 |
| 35 C (95 F): Days | 17 | 35 | 1995 | 8 |
| 40 C (104 F): Days | 1 | 1 | 1988 | 1 |
| 90 F (32.2 C): Days | 17 | 72 | 1970 | 43 |
| 100 F (37.8 C): Days | 8 | 10 | 1980 | 1 |
| 0 C (32 F): Ice days (max | 16 | 7 | 1970 | 7 |
| 0 C (32 F): Frost days (min | 17 | 113 | 1992 | 47 |
| -10 C (14 F): Days with min | 16 | 15 | 1977 | 3 |
| 20 C (68 F): Tropical nights (min | 17 | 75 | 1987 | 39 |
| 25 C (77 F): Days with min | 12 | 9 | 1995 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 27 | 52 | 1996 | 32 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 27 | 17 | 1996 | 11 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 20 | 7 | 1993 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 2 | 1 | 1972 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 1 | 0 | n/a | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.
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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).