Kumagaya Threshold Days by Year (JA000047626)
14 fixed thresholds counted per year at Kumagaya (JA000047626): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Kumagaya Thresholds
- Kumagaya: days with a maximum temperature at or above 30 C (86 F) in 66 years, most in 2025 with 91.
- Kumagaya: days with a maximum temperature at or above 90 F (32.2 C) in 66 years, most in 2025 with 72.
- Kumagaya: days with a maximum temperature at or above 35 C (95 F) in 61 years, most in 2025 with 47.
- Kumagaya: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1953 with 50.
- 14 fixed thresholds have at least one qualifying day at Kumagaya.
Days at or above 30 C (86 F)
66 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1951 | 41 | 39.4 |
| 1952 | 38 | 39.4 |
| 1953 | 26 | 39.4 |
| 1954 | 38 | 39.4 |
| 1955 | 53 | 39.4 |
| 1956 | 41 | 39.4 |
| 1957 | 33 | 39.4 |
| 1958 | 44 | 39.4 |
| 1959 | 41 | 39.4 |
| 1960 | 48 | 48 |
| 1961 | 64 | 48 |
| 1962 | 55 | 48 |
| 1963 | 45 | 48 |
| 1964 | 44 | 48 |
| 1965 | 35 | 48 |
| 1966 | 46 | 48 |
| 1967 | 53 | 48 |
| 1968 | 35 | 48 |
| 1969 | 55 | 48 |
| 1970 | 53 | 51.3 |
| 1971 | 48 | 51.3 |
| 1972 | 50 | 51.3 |
| 1973 | 57 | 51.3 |
| 1974 | 42 | 51.3 |
| 1975 | 61 | 51.3 |
| 1976 | 29 | 51.3 |
| 1977 | 44 | 51.3 |
| 1978 | 73 | 51.3 |
| 1979 | 56 | 51.3 |
| 1980 | 32 | 46 |
| 1981 | 47 | 46 |
| 1982 | 37 | 46 |
| 1983 | 44 | 46 |
| 1984 | 55 | 46 |
| 1985 | 62 | 46 |
| 1986 | 42 | 46 |
| 1987 | 59 | 46 |
| 1988 | 35 | 46 |
| 1989 | 47 | 46 |
| 1992 | 47 | 51.4 |
| 1993 | 25 | 51.4 |
| 1994 | 72 | 51.4 |
| 1996 | 55 | 51.4 |
| 1998 | 58 | 51.4 |
| 2000 | 74 | 60.9 |
| 2002 | 65 | 60.9 |
| 2003 | 44 | 60.9 |
| 2004 | 69 | 60.9 |
| 2006 | 53 | 60.9 |
| 2007 | 66 | 60.9 |
| 2008 | 63 | 60.9 |
| 2009 | 53 | 60.9 |
| 2010 | 82 | 67.4 |
| 2011 | 74 | 67.4 |
| 2013 | 68 | 67.4 |
| 2014 | 60 | 67.4 |
| 2015 | 61 | 67.4 |
| 2016 | 67 | 67.4 |
| 2017 | 62 | 67.4 |
| 2018 | 74 | 67.4 |
| 2019 | 59 | 67.4 |
| 2020 | 62 | 67.6 |
| 2021 | 67 | 67.6 |
| 2022 | 65 | 67.6 |
| 2025 | 91 | 67.6 |
| 2026 | 53 | 67.6 |
| Year | First date | Last date |
|---|---|---|
| 1951 | 1951-05-30 | 1951-09-06 |
| 1952 | 1952-06-07 | 1952-09-13 |
| 1953 | 1953-06-16 | 1953-08-22 |
| 1954 | 1954-07-26 | 1954-09-24 |
| 1955 | 1955-06-07 | 1955-09-16 |
| 1956 | 1956-05-11 | 1956-09-12 |
| 1957 | 1957-07-05 | 1957-09-08 |
| 1958 | 1958-05-29 | 1958-09-09 |
| 1959 | 1959-06-16 | 1959-09-27 |
| 1960 | 1960-05-29 | 1960-09-25 |
| 1961 | 1961-05-25 | 1961-10-01 |
| 1962 | 1962-05-22 | 1962-10-03 |
| 1963 | 1963-05-22 | 1963-09-04 |
| 1964 | 1964-06-26 | 1964-09-14 |
| 1965 | 1965-06-27 | 1965-09-11 |
| 1966 | 1966-06-21 | 1966-09-26 |
| 1967 | 1967-05-31 | 1967-09-16 |
| 1968 | 1968-06-07 | 1968-09-23 |
| 1969 | 1969-05-09 | 1969-09-16 |
| 1970 | 1970-05-18 | 1970-09-22 |
| 1971 | 1971-05-26 | 1971-09-24 |
| 1972 | 1972-06-10 | 1972-09-17 |
| 1973 | 1973-05-26 | 1973-09-24 |
| 1974 | 1974-05-18 | 1974-09-08 |
| 1975 | 1975-06-19 | 1975-09-22 |
| 1976 | 1976-07-08 | 1976-09-11 |
| 1977 | 1977-05-20 | 1977-09-20 |
| 1978 | 1978-05-27 | 1978-09-17 |
| 1979 | 1979-05-28 | 1979-10-01 |
| 1980 | 1980-05-29 | 1980-09-13 |
| 1981 | 1981-05-23 | 1981-09-27 |
| 1982 | 1982-05-11 | 1982-09-27 |
| 1983 | 1983-04-26 | 1983-09-13 |
| 1984 | 1984-06-16 | 1984-10-03 |
| 1985 | 1985-06-05 | 1985-10-13 |
| 1986 | 1986-06-02 | 1986-09-22 |
| 1987 | 1987-05-10 | 1987-09-10 |
| 1988 | 1988-05-19 | 1988-09-16 |
| 1989 | 1989-06-04 | 1989-09-18 |
| 1992 | 1992-06-03 | 1992-09-16 |
| 1993 | 1993-05-13 | 1993-09-10 |
| 1994 | 1994-05-24 | 1994-09-30 |
| 1996 | 1996-04-29 | 1996-09-06 |
| 1998 | 1998-04-22 | 1998-10-18 |
| 2000 | 2000-05-09 | 2000-09-25 |
| 2002 | 2002-05-05 | 2002-10-02 |
| 2003 | 2003-06-05 | 2003-09-19 |
| 2004 | 2004-04-22 | 2004-09-22 |
| 2006 | 2006-05-01 | 2006-09-19 |
| 2007 | 2007-05-05 | 2007-09-28 |
| 2008 | 2008-05-23 | 2008-09-20 |
| 2009 | 2009-05-10 | 2009-09-25 |
| 2010 | 2010-05-05 | 2010-09-22 |
| 2011 | 2011-05-20 | 2011-09-19 |
| 2013 | 2013-05-14 | 2013-10-12 |
| 2014 | 2014-05-14 | 2014-10-03 |
| 2015 | 2015-04-28 | 2015-09-19 |
| 2016 | 2016-05-04 | 2016-10-06 |
| 2017 | 2017-05-08 | 2017-09-18 |
| 2018 | 2018-04-22 | 2018-10-07 |
| 2019 | 2019-05-24 | 2019-10-05 |
| 2020 | 2020-05-02 | 2020-09-18 |
| 2021 | 2021-05-14 | 2021-10-08 |
| 2022 | 2022-05-29 | 2022-10-04 |
| 2025 | 2025-05-20 | 2025-09-29 |
| 2026 | 2026-05-17 | 2026-10-01 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 66 | 91 | 2025 | 53 |
| 35 C (95 F): Days | 61 | 47 | 2025 | 13 |
| 40 C (104 F): Days | 4 | 1 | 2007 | 1 |
| 90 F (32.2 C): Days | 66 | 72 | 2025 | 31 |
| 100 F (37.8 C): Days | 22 | 13 | 2018 | 3 |
| 0 C (32 F): Frost days (min | 41 | 94 | 1970 | 31 |
| -10 C (14 F): Days with min | 1 | 1 | 1954 | 1 |
| 20 C (68 F): Tropical nights (min | 41 | 103 | 2025 | 88 |
| 25 C (77 F): Days with min | 28 | 53 | 2025 | 23 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 57 | 50 | 1953 | 23 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 57 | 22 | 1953 | 18 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 53 | 6 | 1959 | 11 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 23 | 3 | 1958 | 6 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 6 | 1 | 1958 | 3 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1951.
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).