Falmouth Otis AFB Threshold Days by Year (USW00014704)
15 fixed thresholds counted per year at Falmouth Otis AFB (USW00014704): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Falmouth Otis AFB Thresholds
- Falmouth Otis AFB: days with a maximum temperature at or below 0 C (32 F) in 22 years, most in 1970 with 46.
- Falmouth Otis AFB: nights with a minimum temperature at or below 0 C (32 F) in 22 years, most in 1970 with 134.
- Falmouth Otis AFB: nights with a minimum temperature at or below -10 C (14 F) in 22 years, most in 1968 with 34.
- Falmouth Otis AFB: nights with a minimum temperature at or above 20 C (68 F) in 22 years, most in 1955 with 27.
- 15 fixed thresholds have at least one qualifying day at Falmouth Otis AFB.
Days at or above 30 C (86 F)
20 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1949 | 14 | 14 |
| 1950 | 1 | 6.9 |
| 1951 | 4 | 6.9 |
| 1952 | 16 | 6.9 |
| 1953 | 12 | 6.9 |
| 1954 | 1 | 6.9 |
| 1955 | 12 | 6.9 |
| 1956 | 6 | 6.9 |
| 1957 | 6 | 6.9 |
| 1958 | 1 | 6.9 |
| 1959 | 10 | 6.9 |
| 1961 | 2 | 5.4 |
| 1963 | 11 | 5.4 |
| 1964 | 6 | 5.4 |
| 1965 | 6 | 5.4 |
| 1966 | 4 | 5.4 |
| 1967 | 1 | 5.4 |
| 1968 | 8 | 5.4 |
| 1970 | 1 | 1 |
| 2025 | 9 | 9 |
| Year | First date | Last date |
|---|---|---|
| 1949 | 1949-06-26 | 1949-08-11 |
| 1950 | 1950-07-31 | 1950-07-31 |
| 1951 | 1951-06-25 | 1951-07-16 |
| 1952 | 1952-06-26 | 1952-09-13 |
| 1953 | 1953-06-19 | 1953-09-07 |
| 1954 | 1954-07-31 | 1954-07-31 |
| 1955 | 1955-06-29 | 1955-08-21 |
| 1956 | 1956-06-13 | 1956-08-18 |
| 1957 | 1957-06-16 | 1957-08-03 |
| 1958 | 1958-07-01 | 1958-07-01 |
| 1959 | 1959-06-09 | 1959-09-06 |
| 1961 | 1961-07-26 | 1961-08-10 |
| 1963 | 1963-06-25 | 1963-07-28 |
| 1964 | 1964-05-08 | 1964-09-05 |
| 1965 | 1965-07-26 | 1965-08-19 |
| 1966 | 1966-07-02 | 1966-09-02 |
| 1967 | 1967-07-10 | 1967-07-10 |
| 1968 | 1968-06-06 | 1968-08-09 |
| 1970 | 1970-08-15 | 1970-08-15 |
| 2025 | 2025-06-23 | 2025-08-12 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 20 | 16 | 1952 | 9 |
| 35 C (95 F): Days | 4 | 4 | 1949 | 1 |
| 90 F (32.2 C): Days | 11 | 9 | 1949 | 3 |
| 0 C (32 F): Ice days (max | 22 | 46 | 1970 | 20 |
| 0 C (32 F): Frost days (min | 22 | 134 | 1970 | 66 |
| -10 C (14 F): Days with min | 22 | 34 | 1968 | 10 |
| -20 C (-4 F): Days with min | 6 | 1 | 1957 | 1 |
| 20 C (68 F): Tropical nights (min | 22 | 27 | 1955 | 21 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 22 | 54 | 1953 | 38 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 22 | 22 | 1962 | 10 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 19 | 7 | 1961 | 5 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 3 | 1 | 1952 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 20 | 8 | 1970 | 8 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 8 | 2 | 1960 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 2 | 1 | 1956 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.
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).