Mullen 3S Threshold Days by Year (USC00255700)
20 fixed thresholds counted per year at Mullen 3S (USC00255700): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Mullen 3S Thresholds
- Mullen 3S: days with 10 mm (0.39 in) or more of precipitation in 69 years, most in 2018 with 32.
- Mullen 3S: days with 25 mm (0.98 in) or more of precipitation in 64 years, most in 1898 with 8.
- Mullen 3S: nights with a minimum temperature at or below 0 C (32 F) in 56 years, most in 1970 with 190.
- Mullen 3S: nights with a minimum temperature at or below -10 C (14 F) in 56 years, most in 1955 with 73.
- 20 fixed thresholds have at least one qualifying day at Mullen 3S.
Days at or above 30 C (86 F)
47 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1937 | 82 | 81.3 |
| 1938 | 77 | 81.3 |
| 1939 | 85 | 81.3 |
| 1940 | 68 | 70 |
| 1941 | 65 | 70 |
| 1942 | 64 | 70 |
| 1943 | 74 | 70 |
| 1944 | 66 | 70 |
| 1948 | 79 | 70 |
| 1949 | 74 | 70 |
| 1950 | 47 | 65.8 |
| 1951 | 36 | 65.8 |
| 1952 | 86 | 65.8 |
| 1953 | 72 | 65.8 |
| 1954 | 72 | 65.8 |
| 1955 | 80 | 65.8 |
| 1956 | 80 | 65.8 |
| 1957 | 59 | 65.8 |
| 1958 | 60 | 65.8 |
| 1959 | 66 | 65.8 |
| 1962 | 42 | 49.8 |
| 1965 | 39 | 49.8 |
| 1968 | 56 | 49.8 |
| 1969 | 62 | 49.8 |
| 1970 | 86 | 64.3 |
| 1971 | 58 | 64.3 |
| 1972 | 58 | 64.3 |
| 1973 | 65 | 64.3 |
| 1974 | 63 | 64.3 |
| 1975 | 61 | 64.3 |
| 1976 | 59 | 64.3 |
| 1981 | 61 | 67.7 |
| 1988 | 77 | 67.7 |
| 1989 | 65 | 67.7 |
| 1990 | 74 | 65 |
| 1991 | 56 | 65 |
| 2010 | 42 | 46.2 |
| 2011 | 50 | 46.2 |
| 2012 | 80 | 46.2 |
| 2013 | 42 | 46.2 |
| 2015 | 45 | 46.2 |
| 2016 | 29 | 46.2 |
| 2017 | 46 | 46.2 |
| 2018 | 47 | 46.2 |
| 2019 | 35 | 46.2 |
| 2020 | 69 | 66 |
| 2021 | 63 | 66 |
| Year | First date | Last date |
|---|---|---|
| 1937 | 1937-05-17 | 1937-09-23 |
| 1938 | 1938-05-28 | 1938-10-04 |
| 1939 | 1939-04-22 | 1939-09-23 |
| 1940 | 1940-05-31 | 1940-10-25 |
| 1941 | 1941-05-13 | 1941-09-20 |
| 1942 | 1942-05-25 | 1942-10-10 |
| 1943 | 1943-03-29 | 1943-09-18 |
| 1944 | 1944-05-13 | 1944-09-26 |
| 1948 | 1948-04-17 | 1948-09-21 |
| 1949 | 1949-04-24 | 1949-09-25 |
| 1950 | 1950-04-22 | 1950-10-18 |
| 1951 | 1951-06-16 | 1951-10-01 |
| 1952 | 1952-04-08 | 1952-09-30 |
| 1953 | 1953-05-24 | 1953-10-09 |
| 1954 | 1954-05-14 | 1954-10-08 |
| 1955 | 1955-04-26 | 1955-10-10 |
| 1956 | 1956-05-18 | 1956-10-12 |
| 1957 | 1957-05-07 | 1957-09-29 |
| 1958 | 1958-04-16 | 1958-10-19 |
| 1959 | 1959-05-01 | 1959-09-14 |
| 1962 | 1962-04-20 | 1962-10-15 |
| 1965 | 1965-04-30 | 1965-09-02 |
| 1968 | 1968-04-30 | 1968-10-14 |
| 1969 | 1969-05-25 | 1969-09-28 |
| 1970 | 1970-05-07 | 1970-10-05 |
| 1971 | 1971-06-10 | 1971-09-14 |
| 1972 | 1972-05-15 | 1972-09-19 |
| 1973 | 1973-05-18 | 1973-09-10 |
| 1974 | 1974-05-19 | 1974-09-26 |
| 1975 | 1975-06-03 | 1975-10-04 |
| 1976 | 1976-06-09 | 1976-10-01 |
| 1981 | 1981-04-26 | 1981-09-19 |
| 1988 | 1988-04-07 | 1988-09-25 |
| 1989 | 1989-04-21 | 1989-09-30 |
| 1990 | 1990-04-22 | 1990-10-05 |
| 1991 | 1991-04-06 | 1991-10-16 |
| 2010 | 2010-05-23 | 2010-09-21 |
| 2011 | 2011-05-09 | 2011-10-05 |
| 2012 | 2012-04-02 | 2012-09-11 |
| 2013 | 2013-05-14 | 2013-09-19 |
| 2015 | 2015-06-10 | 2015-10-12 |
| 2016 | 2016-06-09 | 2016-09-24 |
| 2017 | 2017-05-08 | 2017-09-22 |
| 2018 | 2018-05-26 | 2018-10-04 |
| 2019 | 2019-04-21 | 2019-09-30 |
| 2020 | 2020-06-01 | 2020-10-07 |
| 2021 | 2021-04-06 | 2021-09-29 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 47 | 86 | 1952 | 63 |
| 35 C (95 F): Days | 47 | 37 | 1952 | 7 |
| 40 C (104 F): Days | 15 | 7 | 1937 | 1 |
| 90 F (32.2 C): Days | 47 | 72 | 1937 | 37 |
| 100 F (37.8 C): Days | 36 | 15 | 1937 | 3 |
| 110 F (43.3 C): Days | 2 | 1 | 1938 | 1 |
| 0 C (32 F): Ice days (max | 47 | 67 | 2019 | 27 |
| 0 C (32 F): Frost days (min | 56 | 190 | 1970 | 171 |
| -10 C (14 F): Days with min | 56 | 73 | 1955 | 32 |
| -20 C (-4 F): Days with min | 56 | 25 | 1989 | 8 |
| -30 C (-22 F): Days with min | 18 | 4 | 1989 | 1 |
| 20 C (68 F): Tropical nights (min | 52 | 22 | 1939 | 2 |
| 25 C (77 F): Days with min | 4 | 2 | 1954 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 69 | 32 | 2018 | 15 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 64 | 8 | 1898 | 6 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 33 | 3 | 1896 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1968 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 54 | 7 | 1975 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 15 | 2 | 1975 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 1 | 1988 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1937.
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).