Irht Threshold Days by Year (TI000038869)
5 fixed thresholds counted per year at Irht (TI000038869): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Irht Thresholds
- Irht: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1948 with 3.
- Irht: days with a maximum temperature at or below 0 C (32 F) in 2 years, most in 2014 with 91.
- 5 fixed thresholds have at least one qualifying day at Irht.
Days with 10 mm (0.39 in) or more of precipitation
29 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1941 | 2 | 1.8 |
| 1942 | 2 | 1.8 |
| 1944 | 1 | 1.8 |
| 1945 | 1 | 1.8 |
| 1946 | 2 | 1.8 |
| 1948 | 3 | 1.8 |
| 1950 | 2 | 2.7 |
| 1958 | 3 | 2.7 |
| 1959 | 3 | 2.7 |
| 1960 | 1 | 1.5 |
| 1962 | 1 | 1.5 |
| 1965 | 2 | 1.5 |
| 1967 | 1 | 1.5 |
| 1968 | 2 | 1.5 |
| 1969 | 2 | 1.5 |
| 1972 | 1 | 1.3 |
| 1973 | 1 | 1.3 |
| 1974 | 1 | 1.3 |
| 1975 | 1 | 1.3 |
| 1977 | 3 | 1.3 |
| 1979 | 1 | 1.3 |
| 1980 | 2 | 2.4 |
| 1981 | 1 | 2.4 |
| 1982 | 2 | 2.4 |
| 1984 | 1 | 2.4 |
| 1985 | 4 | 2.4 |
| 1986 | 4 | 2.4 |
| 1987 | 3 | 2.4 |
| 1990 | 1 | 1 |
| Year | First date | Last date |
|---|---|---|
| 1941 | 1941-03-25 | 1941-05-08 |
| 1942 | 1942-06-17 | 1942-07-23 |
| 1944 | 1944-10-06 | 1944-10-06 |
| 1945 | 1945-03-15 | 1945-03-15 |
| 1946 | 1946-02-02 | 1946-04-03 |
| 1948 | 1948-04-27 | 1948-12-15 |
| 1950 | 1950-08-06 | 1950-08-16 |
| 1958 | 1958-04-21 | 1958-04-25 |
| 1959 | 1959-01-25 | 1959-05-04 |
| 1960 | 1960-04-12 | 1960-04-12 |
| 1962 | 1962-04-26 | 1962-04-26 |
| 1965 | 1965-01-18 | 1965-08-01 |
| 1967 | 1967-03-10 | 1967-03-10 |
| 1968 | 1968-05-21 | 1968-08-12 |
| 1969 | 1969-01-24 | 1969-04-15 |
| 1972 | 1972-02-23 | 1972-02-23 |
| 1973 | 1973-04-21 | 1973-04-21 |
| 1974 | 1974-06-01 | 1974-06-01 |
| 1975 | 1975-08-15 | 1975-08-15 |
| 1977 | 1977-01-10 | 1977-11-02 |
| 1979 | 1979-04-28 | 1979-04-28 |
| 1980 | 1980-05-22 | 1980-08-28 |
| 1981 | 1981-04-14 | 1981-04-14 |
| 1982 | 1982-06-23 | 1982-06-24 |
| 1984 | 1984-04-13 | 1984-04-13 |
| 1985 | 1985-06-02 | 1985-12-22 |
| 1986 | 1986-04-25 | 1986-09-06 |
| 1987 | 1987-04-21 | 1987-10-28 |
| 1990 | 1990-03-19 | 1990-03-19 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 0 C (32 F): Ice days (max | 2 | 91 | 2014 | 67 |
| 0 C (32 F): Frost days (min | 1 | 0 | n/a | 98 |
| -10 C (14 F): Days with min | 1 | 0 | n/a | 57 |
| -20 C (-4 F): Days with min | 1 | 0 | n/a | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 29 | 3 | 1948 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2014.
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 (2026-10-12).