Northwood Threshold Days by Year (USC00276368)
14 fixed thresholds counted per year at Northwood (USC00276368): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Northwood Thresholds
- Northwood: days with 10 mm (0.39 in) or more of precipitation in 18 years, most in 2023 with 51.
- Northwood: days with 25 mm (0.98 in) or more of precipitation in 18 years, most in 2023 with 15.
- Northwood: days with a maximum temperature at or above 30 C (86 F) in 15 years, most in 1959 with 34.
- Northwood: days with a maximum temperature at or above 90 F (32.2 C) in 15 years, most in 1963 with 13.
- 14 fixed thresholds have at least one qualifying day at Northwood.
Days at or above 30 C (86 F)
15 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1956 | 13 | 19.5 |
| 1957 | 22 | 19.5 |
| 1958 | 9 | 19.5 |
| 1959 | 34 | 19.5 |
| 1960 | 21 | 22.9 |
| 1961 | 26 | 22.9 |
| 1962 | 8 | 22.9 |
| 1963 | 25 | 22.9 |
| 1964 | 21 | 22.9 |
| 1965 | 33 | 22.9 |
| 1966 | 34 | 22.9 |
| 1967 | 16 | 22.9 |
| 1968 | 21 | 22.9 |
| 1969 | 24 | 22.9 |
| 1974 | 26 | 26 |
| Year | First date | Last date |
|---|---|---|
| 1956 | 1956-06-01 | 1956-09-05 |
| 1957 | 1957-06-11 | 1957-09-16 |
| 1958 | 1958-07-01 | 1958-08-31 |
| 1959 | 1959-05-20 | 1959-09-24 |
| 1960 | 1960-06-05 | 1960-09-08 |
| 1961 | 1961-05-14 | 1961-09-14 |
| 1962 | 1962-04-27 | 1962-08-06 |
| 1963 | 1963-06-05 | 1963-10-07 |
| 1964 | 1964-05-23 | 1964-09-11 |
| 1965 | 1965-05-10 | 1965-09-23 |
| 1966 | 1966-05-25 | 1966-08-30 |
| 1967 | 1967-06-03 | 1967-08-18 |
| 1968 | 1968-06-06 | 1968-08-25 |
| 1969 | 1969-05-17 | 1969-09-01 |
| 1974 | 1974-05-15 | 1974-08-24 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 15 | 34 | 1959 | 26 |
| 35 C (95 F): Days | 5 | 4 | 1963 | 1 |
| 90 F (32.2 C): Days | 15 | 13 | 1963 | 2 |
| 0 C (32 F): Ice days (max | 15 | 55 | 1969 | 22 |
| 0 C (32 F): Frost days (min | 13 | 176 | 1967 | 142 |
| -10 C (14 F): Days with min | 13 | 59 | 1962 | 37 |
| -20 C (-4 F): Days with min | 13 | 9 | 1961 | 4 |
| 20 C (68 F): Tropical nights (min | 10 | 6 | 1963 | 5 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 18 | 51 | 2023 | 38 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 18 | 15 | 2023 | 11 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 10 | 5 | 1962 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1960 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 9 | 13 | 1956 | 5 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 3 | 3 | 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 1956.
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).