McMillin Rsvr Threshold Days by Year (USC00455224)
13 fixed thresholds counted per year at McMillin Rsvr (USC00455224): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for McMillin Rsvr Thresholds
- McMillin Rsvr: days with 10 mm (0.39 in) or more of precipitation in 72 years, most in 1996 with 58.
- McMillin Rsvr: days with 25 mm (0.98 in) or more of precipitation in 71 years, most in 1972 with 11.
- McMillin Rsvr: nights with a minimum temperature at or below 0 C (32 F) in 70 years, most in 1985 with 122.
- McMillin Rsvr: days with a maximum temperature at or above 30 C (86 F) in 67 years, most in 1958 with 22.
- 13 fixed thresholds have at least one qualifying day at McMillin Rsvr.
Days at or above 30 C (86 F)
67 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1942 | 11 | 6.3 |
| 1943 | 3 | 6.3 |
| 1944 | 8 | 6.3 |
| 1945 | 8 | 6.3 |
| 1946 | 6 | 6.3 |
| 1947 | 2 | 6.3 |
| 1948 | 5 | 6.3 |
| 1949 | 7 | 6.3 |
| 1950 | 9 | 9.1 |
| 1951 | 9 | 9.1 |
| 1952 | 11 | 9.1 |
| 1953 | 3 | 9.1 |
| 1955 | 2 | 9.1 |
| 1956 | 8 | 9.1 |
| 1958 | 22 | 9.1 |
| 1959 | 9 | 9.1 |
| 1960 | 10 | 8.2 |
| 1961 | 12 | 8.2 |
| 1962 | 8 | 8.2 |
| 1963 | 6 | 8.2 |
| 1964 | 3 | 8.2 |
| 1965 | 8 | 8.2 |
| 1966 | 3 | 8.2 |
| 1967 | 18 | 8.2 |
| 1968 | 9 | 8.2 |
| 1969 | 5 | 8.2 |
| 1970 | 9 | 9.3 |
| 1971 | 13 | 9.3 |
| 1972 | 10 | 9.3 |
| 1973 | 6 | 9.3 |
| 1974 | 8 | 9.3 |
| 1975 | 6 | 9.3 |
| 1977 | 15 | 9.3 |
| 1978 | 11 | 9.3 |
| 1979 | 6 | 9.3 |
| 1980 | 2 | 8.4 |
| 1981 | 15 | 8.4 |
| 1982 | 10 | 8.4 |
| 1983 | 2 | 8.4 |
| 1984 | 5 | 8.4 |
| 1985 | 17 | 8.4 |
| 1986 | 9 | 8.4 |
| 1987 | 9 | 8.4 |
| 1988 | 10 | 8.4 |
| 1989 | 5 | 8.4 |
| 1990 | 14 | 8.7 |
| 1991 | 6 | 8.7 |
| 1992 | 14 | 8.7 |
| 1993 | 3 | 8.7 |
| 1994 | 6 | 8.7 |
| 1995 | 7 | 8.7 |
| 1996 | 12 | 8.7 |
| 1997 | 6 | 8.7 |
| 1998 | 10 | 8.7 |
| 2000 | 2 | 7.3 |
| 2001 | 3 | 7.3 |
| 2002 | 8 | 7.3 |
| 2003 | 14 | 7.3 |
| 2004 | 8 | 7.3 |
| 2005 | 6 | 7.3 |
| 2006 | 8 | 7.3 |
| 2007 | 2 | 7.3 |
| 2008 | 6 | 7.3 |
| 2009 | 16 | 7.3 |
| 2010 | 7 | 5.5 |
| 2012 | 4 | 5.5 |
| 2026 | 10 | 10 |
| Year | First date | Last date |
|---|---|---|
| 1942 | 1942-07-01 | 1942-08-23 |
| 1943 | 1943-08-16 | 1943-09-25 |
| 1944 | 1944-05-28 | 1944-09-11 |
| 1945 | 1945-05-03 | 1945-08-07 |
| 1946 | 1946-07-20 | 1946-09-01 |
| 1947 | 1947-05-26 | 1947-09-23 |
| 1948 | 1948-06-07 | 1948-08-01 |
| 1949 | 1949-06-06 | 1949-09-07 |
| 1950 | 1950-06-04 | 1950-09-22 |
| 1951 | 1951-06-29 | 1951-09-16 |
| 1952 | 1952-07-09 | 1952-09-23 |
| 1953 | 1953-05-06 | 1953-09-06 |
| 1955 | 1955-06-09 | 1955-06-10 |
| 1956 | 1956-05-19 | 1956-08-23 |
| 1958 | 1958-06-18 | 1958-09-08 |
| 1959 | 1959-07-10 | 1959-08-01 |
| 1960 | 1960-07-07 | 1960-08-10 |
| 1961 | 1961-05-20 | 1961-08-20 |
| 1962 | 1962-07-23 | 1962-09-06 |
| 1963 | 1963-05-20 | 1963-09-10 |
| 1964 | 1964-08-07 | 1964-08-25 |
| 1965 | 1965-07-07 | 1965-08-08 |
| 1966 | 1966-08-04 | 1966-08-22 |
| 1967 | 1967-06-18 | 1967-09-28 |
| 1968 | 1968-06-26 | 1968-08-11 |
| 1969 | 1969-05-24 | 1969-07-24 |
| 1970 | 1970-06-02 | 1970-08-19 |
| 1971 | 1971-05-12 | 1971-08-12 |
| 1972 | 1972-05-29 | 1972-09-04 |
| 1973 | 1973-05-15 | 1973-09-06 |
| 1974 | 1974-07-31 | 1974-09-25 |
| 1975 | 1975-06-02 | 1975-07-28 |
| 1977 | 1977-06-18 | 1977-08-18 |
| 1978 | 1978-06-04 | 1978-08-10 |
| 1979 | 1979-07-17 | 1979-09-15 |
| 1980 | 1980-07-22 | 1980-08-11 |
| 1981 | 1981-07-04 | 1981-09-17 |
| 1982 | 1982-06-19 | 1982-09-03 |
| 1983 | 1983-05-29 | 1983-05-30 |
| 1984 | 1984-07-17 | 1984-08-27 |
| 1985 | 1985-05-17 | 1985-08-25 |
| 1986 | 1986-06-01 | 1986-09-07 |
| 1987 | 1987-06-27 | 1987-10-02 |
| 1988 | 1988-07-20 | 1988-09-04 |
| 1989 | 1989-06-04 | 1989-09-23 |
| 1990 | 1990-07-12 | 1990-09-23 |
| 1991 | 1991-07-03 | 1991-08-20 |
| 1992 | 1992-05-25 | 1992-08-18 |
| 1993 | 1993-08-04 | 1993-08-06 |
| 1994 | 1994-07-20 | 1994-08-28 |
| 1995 | 1995-06-29 | 1995-07-20 |
| 1996 | 1996-07-13 | 1996-08-30 |
| 1997 | 1997-07-05 | 1997-08-18 |
| 1998 | 1998-07-17 | 1998-09-02 |
| 2000 | 2000-06-28 | 2000-06-29 |
| 2001 | 2001-05-23 | 2001-08-11 |
| 2002 | 2002-06-14 | 2002-08-14 |
| 2003 | 2003-06-06 | 2003-09-05 |
| 2004 | 2004-06-21 | 2004-08-11 |
| 2005 | 2005-05-27 | 2005-08-15 |
| 2006 | 2006-06-26 | 2006-09-03 |
| 2007 | 2007-07-11 | 2007-07-12 |
| 2008 | 2008-05-18 | 2008-08-17 |
| 2009 | 2009-06-04 | 2009-09-23 |
| 2010 | 2010-07-08 | 2010-08-18 |
| 2012 | 2012-08-05 | 2012-08-18 |
| 2026 | 2026-06-15 | 2026-08-25 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 67 | 22 | 1958 | 10 |
| 35 C (95 F): Days | 17 | 3 | 1981 | 3 |
| 90 F (32.2 C): Days | 50 | 9 | 1977 | 3 |
| 100 F (37.8 C): Days | 2 | 1 | 1981 | 1 |
| 0 C (32 F): Ice days (max | 51 | 17 | 1950 | 2 |
| 0 C (32 F): Frost days (min | 70 | 122 | 1985 | 24 |
| -10 C (14 F): Days with min | 38 | 17 | 1950 | 1 |
| 20 C (68 F): Tropical nights (min | 2 | 1 | 1942 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 72 | 58 | 1996 | 12 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 71 | 11 | 1972 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 20 | 2 | 2005 | 2 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 29 | 3 | 1969 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 4 | 1 | 1950 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.
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).