Birkhead Threshold Days by Year
4 fixed thresholds counted per year at Birkhead (ASN00035247): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Birkhead Thresholds
- Birkhead: days with 10 mm (0.39 in) or more of precipitation in 13 years, most in 1961 with 23.
- Birkhead: days with 25 mm (0.98 in) or more of precipitation in 13 years, most in 1960 with 8.
- Birkhead: days with 50 mm (1.97 in) or more of precipitation in 10 years, most in 1963 with 3.
- Birkhead: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1963 with 1.
- 4 fixed thresholds have at least one qualifying day at Birkhead.
Days with 10 mm (0.39 in) or more of precipitation
13 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1959 | 22 | 22 |
| 1960 | 18 | 16 |
| 1961 | 23 | 16 |
| 1962 | 19 | 16 |
| 1963 | 21 | 16 |
| 1964 | 17 | 16 |
| 1965 | 6 | 16 |
| 1966 | 14 | 16 |
| 1967 | 15 | 16 |
| 1968 | 14 | 16 |
| 1969 | 13 | 16 |
| 1970 | 14 | 14.5 |
| 1971 | 15 | 14.5 |
| Year | First date | Last date |
|---|---|---|
| 1959 | 1959-01-03 | 1959-12-18 |
| 1960 | 1960-02-24 | 1960-12-26 |
| 1961 | 1961-01-03 | 1961-12-11 |
| 1962 | 1962-01-08 | 1962-12-30 |
| 1963 | 1963-01-08 | 1963-12-09 |
| 1964 | 1964-01-13 | 1964-12-26 |
| 1965 | 1965-03-10 | 1965-12-19 |
| 1966 | 1966-01-06 | 1966-11-08 |
| 1967 | 1967-02-02 | 1967-12-30 |
| 1968 | 1968-01-05 | 1968-12-25 |
| 1969 | 1969-01-17 | 1969-12-24 |
| 1970 | 1970-01-11 | 1970-12-23 |
| 1971 | 1971-02-02 | 1971-12-27 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 10 mm (0.39 in): Days with 10 mm or more rain | 13 | 23 | 1961 | 15 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 13 | 8 | 1960 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 10 | 3 | 1963 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 2 | 1 | 1963 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.
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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).