Caldwell Threshold Days by Year (CA003031000)
16 fixed thresholds counted per year at Caldwell (CA003031000): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Caldwell Thresholds
- Caldwell: days with 10 mm (0.39 in) or more of precipitation in 65 years, most in 1951 with 42.
- Caldwell: days with 10 cm (3.9 in) or more of snowfall in 65 years, most in 1970 with 22.
- Caldwell: days with 25 mm (0.98 in) or more of precipitation in 63 years, most in 1951 with 13.
- Caldwell: days with a maximum temperature at or below 0 C (32 F) in 43 years, most in 1951 with 103.
- 16 fixed thresholds have at least one qualifying day at Caldwell.
Days at or above 30 C (86 F)
39 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1934 | 11 | 14.7 |
| 1936 | 26 | 14.7 |
| 1937 | 7 | 14.7 |
| 1940 | 14 | 6.8 |
| 1941 | 6 | 6.8 |
| 1942 | 7 | 6.8 |
| 1943 | 5 | 6.8 |
| 1944 | 5 | 6.8 |
| 1945 | 8 | 6.8 |
| 1946 | 6 | 6.8 |
| 1947 | 9 | 6.8 |
| 1948 | 1 | 6.8 |
| 1949 | 7 | 6.8 |
| 1950 | 2 | 2.6 |
| 1951 | 2 | 2.6 |
| 1953 | 4 | 2.6 |
| 1954 | 3 | 2.6 |
| 1955 | 3 | 2.6 |
| 1956 | 1 | 2.6 |
| 1958 | 3 | 2.6 |
| 1963 | 3 | 3.3 |
| 1964 | 1 | 3.3 |
| 1965 | 1 | 3.3 |
| 1967 | 11 | 3.3 |
| 1968 | 3 | 3.3 |
| 1969 | 1 | 3.3 |
| 1970 | 7 | 4.7 |
| 1971 | 12 | 4.7 |
| 1972 | 1 | 4.7 |
| 1973 | 7 | 4.7 |
| 1974 | 4 | 4.7 |
| 1975 | 4 | 4.7 |
| 1976 | 1 | 4.7 |
| 1977 | 1 | 4.7 |
| 1979 | 5 | 4.7 |
| 1980 | 1 | 4.8 |
| 1981 | 6 | 4.8 |
| 1982 | 1 | 4.8 |
| 1983 | 11 | 4.8 |
| Year | First date | Last date |
|---|---|---|
| 1934 | 1934-05-25 | 1934-08-28 |
| 1936 | 1936-05-26 | 1936-08-29 |
| 1937 | 1937-06-27 | 1937-07-28 |
| 1940 | 1940-07-03 | 1940-08-31 |
| 1941 | 1941-06-22 | 1941-07-18 |
| 1942 | 1942-07-02 | 1942-08-19 |
| 1943 | 1943-07-06 | 1943-07-30 |
| 1944 | 1944-06-30 | 1944-07-28 |
| 1945 | 1945-07-12 | 1945-07-27 |
| 1946 | 1946-07-17 | 1946-08-23 |
| 1947 | 1947-07-05 | 1947-08-03 |
| 1948 | 1948-07-11 | 1948-07-11 |
| 1949 | 1949-07-13 | 1949-08-09 |
| 1950 | 1950-07-25 | 1950-09-03 |
| 1951 | 1951-07-27 | 1951-08-03 |
| 1953 | 1953-07-12 | 1953-08-16 |
| 1954 | 1954-07-12 | 1954-07-20 |
| 1955 | 1955-07-14 | 1955-07-17 |
| 1956 | 1956-07-22 | 1956-07-22 |
| 1958 | 1958-08-10 | 1958-08-17 |
| 1963 | 1963-08-06 | 1963-09-07 |
| 1964 | 1964-07-12 | 1964-07-12 |
| 1965 | 1965-08-02 | 1965-08-02 |
| 1967 | 1967-07-13 | 1967-09-05 |
| 1968 | 1968-07-05 | 1968-07-28 |
| 1969 | 1969-08-24 | 1969-08-24 |
| 1970 | 1970-06-21 | 1970-08-25 |
| 1971 | 1971-07-31 | 1971-08-27 |
| 1972 | 1972-08-28 | 1972-08-28 |
| 1973 | 1973-07-09 | 1973-08-21 |
| 1974 | 1974-06-24 | 1974-08-05 |
| 1975 | 1975-07-03 | 1975-07-27 |
| 1976 | 1976-07-17 | 1976-07-17 |
| 1977 | 1977-07-23 | 1977-07-23 |
| 1979 | 1979-07-09 | 1979-07-21 |
| 1980 | 1980-07-22 | 1980-07-22 |
| 1981 | 1981-07-04 | 1981-09-18 |
| 1982 | 1982-07-29 | 1982-07-29 |
| 1983 | 1983-07-31 | 1983-08-31 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 39 | 26 | 1936 | 11 |
| 35 C (95 F): Days | 3 | 1 | 1941 | 1 |
| 90 F (32.2 C): Days | 20 | 10 | 1936 | 4 |
| 0 C (32 F): Ice days (max | 43 | 103 | 1951 | 48 |
| 0 C (32 F): Frost days (min | 43 | 216 | 1948 | 181 |
| -10 C (14 F): Days with min | 43 | 89 | 1936 | 49 |
| -20 C (-4 F): Days with min | 43 | 54 | 1936 | 23 |
| -30 C (-22 F): Days with min | 36 | 16 | 1950 | 8 |
| -40 C (-40 F): Days with min | 5 | 1 | 1936 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 65 | 42 | 1951 | 16 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 63 | 13 | 1951 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 32 | 4 | 1951 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 2 | 1 | 1911 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 65 | 22 | 1970 | 6 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 42 | 6 | 1951 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 7 | 2 | 1947 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1934.
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).