Rudyard 27 N Threshold Days by Year (USC00247250)
18 fixed thresholds counted per year at Rudyard 27 N (USC00247250): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Rudyard 27 N Thresholds
- Rudyard 27 N: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1989 with 14.
- Rudyard 27 N: nights with a minimum temperature at or below 0 C (32 F) in 25 years, most in 1970 with 205.
- Rudyard 27 N: nights with a minimum temperature at or below -10 C (14 F) in 25 years, most in 1969 with 108.
- Rudyard 27 N: nights with a minimum temperature at or below -20 C (-4 F) in 25 years, most in 1972 with 50.
- 18 fixed thresholds have at least one qualifying day at Rudyard 27 N.
Days at or above 30 C (86 F)
24 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1961 | 62 | 41.1 |
| 1962 | 25 | 41.1 |
| 1963 | 45 | 41.1 |
| 1964 | 32 | 41.1 |
| 1966 | 33 | 41.1 |
| 1967 | 47 | 41.1 |
| 1969 | 44 | 41.1 |
| 1970 | 41 | 29.7 |
| 1971 | 42 | 29.7 |
| 1972 | 29 | 29.7 |
| 1973 | 32 | 29.7 |
| 1974 | 27 | 29.7 |
| 1975 | 18 | 29.7 |
| 1976 | 24 | 29.7 |
| 1977 | 18 | 29.7 |
| 1979 | 36 | 29.7 |
| 1986 | 23 | 30.3 |
| 1987 | 32 | 30.3 |
| 1988 | 47 | 30.3 |
| 1989 | 19 | 30.3 |
| 1992 | 24 | 22.8 |
| 1993 | 5 | 22.8 |
| 1994 | 37 | 22.8 |
| 1997 | 25 | 22.8 |
| Year | First date | Last date |
|---|---|---|
| 1961 | 1961-05-26 | 1961-09-05 |
| 1962 | 1962-06-24 | 1962-09-06 |
| 1963 | 1963-05-29 | 1963-10-02 |
| 1964 | 1964-05-19 | 1964-08-19 |
| 1966 | 1966-05-26 | 1966-09-18 |
| 1967 | 1967-06-26 | 1967-09-29 |
| 1969 | 1969-05-24 | 1969-09-12 |
| 1970 | 1970-06-02 | 1970-08-31 |
| 1971 | 1971-05-27 | 1971-09-05 |
| 1972 | 1972-05-30 | 1972-08-30 |
| 1973 | 1973-05-16 | 1973-08-22 |
| 1974 | 1974-06-12 | 1974-09-25 |
| 1975 | 1975-07-04 | 1975-08-06 |
| 1976 | 1976-06-30 | 1976-09-05 |
| 1977 | 1977-06-01 | 1977-08-18 |
| 1979 | 1979-06-11 | 1979-09-16 |
| 1986 | 1986-05-30 | 1986-08-29 |
| 1987 | 1987-04-28 | 1987-09-23 |
| 1988 | 1988-05-16 | 1988-09-06 |
| 1989 | 1989-06-28 | 1989-08-12 |
| 1992 | 1992-05-05 | 1992-09-30 |
| 1993 | 1993-05-11 | 1993-08-10 |
| 1994 | 1994-06-20 | 1994-09-25 |
| 1997 | 1997-06-04 | 1997-09-25 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 24 | 62 | 1961 | 25 |
| 35 C (95 F): Days | 21 | 16 | 1971 | 5 |
| 40 C (104 F): Days | 2 | 1 | 1961 | 1 |
| 90 F (32.2 C): Days | 24 | 41 | 1961 | 11 |
| 100 F (37.8 C): Days | 7 | 3 | 1961 | 1 |
| 0 C (32 F): Ice days (max | 24 | 84 | 1972 | 53 |
| 0 C (32 F): Frost days (min | 25 | 205 | 1970 | 183 |
| -10 C (14 F): Days with min | 25 | 108 | 1969 | 71 |
| -20 C (-4 F): Days with min | 25 | 50 | 1972 | 15 |
| -30 C (-22 F): Days with min | 19 | 17 | 1972 | 8 |
| -40 C (-40 F): Days with min | 3 | 1 | 1964 | 1 |
| 20 C (68 F): Tropical nights (min | 8 | 2 | 1988 | 1 |
| 25 C (77 F): Days with min | 1 | 1 | 1988 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 29 | 14 | 1989 | 4 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 21 | 4 | 1986 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 4 | 1 | 1986 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 12 | 7 | 1966 | 3 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 2 | 2 | 1977 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.
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).