Adel Threshold Days by Year (USC00350036)
14 fixed thresholds counted per year at Adel (USC00350036): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Adel Thresholds
- Adel: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1981 with 11.
- Adel: nights with a minimum temperature at or below 0 C (32 F) in 23 years, most in 1964 with 191.
- Adel: nights with a minimum temperature at or below -10 C (14 F) in 22 years, most in 1989 with 39.
- Adel: days with a maximum temperature at or above 30 C (86 F) in 20 years, most in 1988 with 87.
- 14 fixed thresholds have at least one qualifying day at Adel.
Days at or above 30 C (86 F)
20 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1959 | 62 | 62 |
| 1964 | 44 | 47.3 |
| 1965 | 22 | 47.3 |
| 1966 | 44 | 47.3 |
| 1967 | 73 | 47.3 |
| 1968 | 51 | 47.3 |
| 1969 | 50 | 47.3 |
| 1970 | 68 | 59 |
| 1971 | 48 | 59 |
| 1972 | 49 | 59 |
| 1973 | 75 | 59 |
| 1974 | 74 | 59 |
| 1975 | 52 | 59 |
| 1976 | 44 | 59 |
| 1979 | 62 | 59 |
| 1980 | 53 | 63 |
| 1981 | 65 | 63 |
| 1988 | 87 | 63 |
| 1989 | 47 | 63 |
| 2026 | 66 | 66 |
| Year | First date | Last date |
|---|---|---|
| 1959 | 1959-05-12 | 1959-09-14 |
| 1964 | 1964-06-23 | 1964-08-25 |
| 1965 | 1965-07-05 | 1965-10-08 |
| 1966 | 1966-05-25 | 1966-09-22 |
| 1967 | 1967-05-21 | 1967-09-28 |
| 1968 | 1968-06-16 | 1968-09-10 |
| 1969 | 1969-06-03 | 1969-09-08 |
| 1970 | 1970-05-16 | 1970-09-29 |
| 1971 | 1971-07-13 | 1971-09-13 |
| 1972 | 1972-05-27 | 1972-09-03 |
| 1973 | 1973-05-12 | 1973-09-29 |
| 1974 | 1974-06-02 | 1974-10-19 |
| 1975 | 1975-05-13 | 1975-10-01 |
| 1976 | 1976-05-12 | 1976-09-30 |
| 1979 | 1979-05-20 | 1979-10-06 |
| 1980 | 1980-05-20 | 1980-10-08 |
| 1981 | 1981-04-30 | 1981-09-18 |
| 1988 | 1988-05-11 | 1988-10-09 |
| 1989 | 1989-06-12 | 1989-09-25 |
| 2026 | 2026-05-11 | 2026-10-12 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 20 | 87 | 1988 | 66 |
| 35 C (95 F): Days | 20 | 33 | 1988 | 20 |
| 40 C (104 F): Days | 2 | 2 | 1988 | 2 |
| 90 F (32.2 C): Days | 20 | 60 | 1988 | 48 |
| 100 F (37.8 C): Days | 12 | 8 | 1988 | 2 |
| 0 C (32 F): Ice days (max | 19 | 21 | 1972 | 10 |
| 0 C (32 F): Frost days (min | 23 | 191 | 1964 | 81 |
| -10 C (14 F): Days with min | 22 | 39 | 1989 | 40 |
| -20 C (-4 F): Days with min | 7 | 11 | 1989 | 8 |
| -30 C (-22 F): Days with min | 3 | 1 | 1972 | 2 |
| 20 C (68 F): Tropical nights (min | 2 | 1 | 1959 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 29 | 11 | 1981 | 2 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 13 | 3 | 1964 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 16 | 6 | 1979 | 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-17).