Casa Grande Threshold Days by Year (BR002345076)
4 fixed thresholds counted per year at Casa Grande (BR002345076): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Casa Grande Thresholds
- Casa Grande: days with 10 mm (0.39 in) or more of precipitation in 49 years, most in 1986 with 81.
- Casa Grande: days with 25 mm (0.98 in) or more of precipitation in 49 years, most in 1986 with 33.
- Casa Grande: days with 50 mm (1.97 in) or more of precipitation in 49 years, most in 1956 with 12.
- Casa Grande: days with 100 mm (3.94 in) or more of precipitation in 19 years, most in 1958 with 3.
- 4 fixed thresholds have at least one qualifying day at Casa Grande.
Days with 10 mm (0.39 in) or more of precipitation
49 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1944 | 55 | 57.3 |
| 1945 | 59 | 57.3 |
| 1946 | 45 | 57.3 |
| 1947 | 74 | 57.3 |
| 1948 | 51 | 57.3 |
| 1949 | 60 | 57.3 |
| 1950 | 57 | 59.4 |
| 1951 | 58 | 59.4 |
| 1952 | 71 | 59.4 |
| 1953 | 63 | 59.4 |
| 1954 | 52 | 59.4 |
| 1955 | 50 | 59.4 |
| 1956 | 57 | 59.4 |
| 1957 | 63 | 59.4 |
| 1958 | 67 | 59.4 |
| 1959 | 56 | 59.4 |
| 1960 | 65 | 58.5 |
| 1961 | 69 | 58.5 |
| 1963 | 40 | 58.5 |
| 1964 | 62 | 58.5 |
| 1965 | 62 | 58.5 |
| 1966 | 64 | 58.5 |
| 1967 | 66 | 58.5 |
| 1969 | 40 | 58.5 |
| 1972 | 45 | 42.9 |
| 1973 | 38 | 42.9 |
| 1974 | 27 | 42.9 |
| 1975 | 25 | 42.9 |
| 1977 | 51 | 42.9 |
| 1978 | 53 | 42.9 |
| 1979 | 61 | 42.9 |
| 1980 | 59 | 62.1 |
| 1981 | 46 | 62.1 |
| 1982 | 72 | 62.1 |
| 1983 | 68 | 62.1 |
| 1984 | 48 | 62.1 |
| 1985 | 53 | 62.1 |
| 1986 | 81 | 62.1 |
| 1987 | 69 | 62.1 |
| 1989 | 63 | 62.1 |
| 1990 | 52 | 55.4 |
| 1991 | 52 | 55.4 |
| 1992 | 49 | 55.4 |
| 1993 | 60 | 55.4 |
| 1994 | 48 | 55.4 |
| 1995 | 70 | 55.4 |
| 1996 | 57 | 55.4 |
| 1997 | 52 | 55.4 |
| 1998 | 59 | 55.4 |
| Year | First date | Last date |
|---|---|---|
| 1944 | 1944-01-08 | 1944-12-28 |
| 1945 | 1945-01-02 | 1945-12-31 |
| 1946 | 1946-01-01 | 1946-12-25 |
| 1947 | 1947-01-03 | 1947-12-23 |
| 1948 | 1948-01-11 | 1948-12-27 |
| 1949 | 1949-01-11 | 1949-12-28 |
| 1950 | 1950-01-05 | 1950-12-15 |
| 1951 | 1951-01-01 | 1951-12-19 |
| 1952 | 1952-01-01 | 1952-12-31 |
| 1953 | 1953-01-01 | 1953-12-29 |
| 1954 | 1954-01-03 | 1954-12-30 |
| 1955 | 1955-01-03 | 1955-12-31 |
| 1956 | 1956-01-01 | 1956-12-25 |
| 1957 | 1957-01-10 | 1957-12-28 |
| 1958 | 1958-01-14 | 1958-12-23 |
| 1959 | 1959-01-05 | 1959-12-25 |
| 1960 | 1960-01-02 | 1960-12-27 |
| 1961 | 1961-01-06 | 1961-12-31 |
| 1963 | 1963-01-01 | 1963-12-23 |
| 1964 | 1964-01-19 | 1964-12-31 |
| 1965 | 1965-01-05 | 1965-12-30 |
| 1966 | 1966-01-01 | 1966-12-26 |
| 1967 | 1967-01-06 | 1967-12-25 |
| 1969 | 1969-01-07 | 1969-12-25 |
| 1972 | 1972-01-09 | 1972-12-20 |
| 1973 | 1973-01-03 | 1973-12-25 |
| 1974 | 1974-01-01 | 1974-12-19 |
| 1975 | 1975-01-14 | 1975-12-25 |
| 1977 | 1977-01-02 | 1977-12-23 |
| 1978 | 1978-01-01 | 1978-12-30 |
| 1979 | 1979-01-03 | 1979-12-24 |
| 1980 | 1980-01-01 | 1980-12-30 |
| 1981 | 1981-01-06 | 1981-12-17 |
| 1982 | 1982-01-02 | 1982-12-31 |
| 1983 | 1983-01-03 | 1983-12-28 |
| 1984 | 1984-01-01 | 1984-12-31 |
| 1985 | 1985-01-01 | 1985-12-27 |
| 1986 | 1986-01-03 | 1986-12-30 |
| 1987 | 1987-01-03 | 1987-12-29 |
| 1989 | 1989-01-05 | 1989-12-31 |
| 1990 | 1990-01-02 | 1990-12-29 |
| 1991 | 1991-01-02 | 1991-11-02 |
| 1992 | 1992-01-02 | 1992-12-21 |
| 1993 | 1993-01-04 | 1993-12-31 |
| 1994 | 1994-01-04 | 1994-12-27 |
| 1995 | 1995-01-02 | 1995-12-31 |
| 1996 | 1996-01-03 | 1996-12-23 |
| 1997 | 1997-01-11 | 1997-12-29 |
| 1998 | 1998-01-07 | 1998-12-29 |
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 | 49 | 81 | 1986 | 59 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 49 | 33 | 1986 | 25 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 49 | 12 | 1956 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 19 | 3 | 1958 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.
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).