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Built 2026-10-19 (19 October 2026)

Boscobel Threshold Days by Year (SF003948780)

4 fixed thresholds counted per year at Boscobel (SF003948780): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Boscobel Thresholds

  • Boscobel: days with 10 mm (0.39 in) or more of precipitation in 64 years, most in 1934 with 30.
  • Boscobel: days with 25 mm (0.98 in) or more of precipitation in 63 years, most in 1974 with 11.
  • Boscobel: days with 50 mm (1.97 in) or more of precipitation in 33 years, most in 1961 with 4.
  • Boscobel: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1948 with 1.
  • 4 fixed thresholds have at least one qualifying day at Boscobel.
64 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Boscobel Days per year at Boscobel with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1934. 01020301933: 31934: 301935: 101936: 111937: 111938: 111939: 171940: 71941: 101942: 161943: 161944: 41945: 81946: 121947: 81948: 131949: 71950: 171951: 111952: 41953: 41954: 121955: 171956: 101957: 121958: 61959: 81960: 121961: 181962: 111963: 221964: 81965: 71966: 101967: 191968: 121969: 91970: 161971: 161972: 181973: 171974: 291975: 231976: 301977: 171978: 191979: 161980: 111982: 101983: 221984: 121985: 141986: 101987: 121988: 261989: 121990: 111991: 171992: 81993: 141994: 111995: 121996: 211997: 191933194019471954196119681975198319901997
Days per year at Boscobel with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1934.
Days with 10 mm (0.39 in) or more of precipitation per year at Boscobel
YearDaysDecade average
1933313.3
19343013.3
19351013.3
19361113.3
19371113.3
19381113.3
19391713.3
1940710.1
19411010.1
19421610.1
19431610.1
1944410.1
1945810.1
19461210.1
1947810.1
19481310.1
1949710.1
19501710.1
19511110.1
1952410.1
1953410.1
19541210.1
19551710.1
19561010.1
19571210.1
1958610.1
1959810.1
19601212.8
19611812.8
19621112.8
19632212.8
1964812.8
1965712.8
19661012.8
19671912.8
19681212.8
1969912.8
19701620.1
19711620.1
19721820.1
19731720.1
19742920.1
19752320.1
19763020.1
19771720.1
19781920.1
19791620.1
19801114.3
19821014.3
19832214.3
19841214.3
19851414.3
19861014.3
19871214.3
19882614.3
19891214.3
19901114.1
19911714.1
1992814.1
19931414.1
19941114.1
19951214.1
19962114.1
19971914.1
First to last qualifying date each year at Boscobel For each year, a bar from the first to the last day at Boscobel meeting 10 mm (0.39 in). 1933: 16 January 1933 to 30 January 19331934: 1 January 1934 to 5 December 19341935: 8 February 1935 to 15 December 19351936: 8 January 1936 to 27 December 19361937: 3 January 1937 to 23 December 19371938: 12 January 1938 to 30 November 19381939: 12 January 1939 to 11 December 19391940: 4 February 1940 to 21 December 19401941: 18 January 1941 to 28 February 19411942: 17 February 1942 to 17 December 19421943: 12 January 1943 to 31 December 19431944: 1 January 1944 to 6 November 19441945: 18 January 1945 to 18 March 19451946: 1 January 1946 to 26 November 19461947: 28 March 1947 to 24 December 19471948: 18 January 1948 to 6 November 19481949: 26 February 1949 to 18 December 19491950: 8 January 1950 to 29 December 19501951: 18 January 1951 to 30 October 19511952: 9 February 1952 to 3 December 19521953: 18 March 1953 to 18 December 19531954: 19 January 1954 to 19 December 19541955: 16 January 1955 to 18 December 19551956: 1 January 1956 to 11 December 19561957: 11 January 1957 to 17 November 19571958: 2 January 1958 to 6 November 19581959: 5 January 1959 to 30 December 19591960: 5 February 1960 to 25 November 19601961: 27 January 1961 to 5 December 19611962: 19 January 1962 to 25 December 19621963: 9 January 1963 to 12 December 19631964: 12 February 1964 to 25 December 19641965: 14 January 1965 to 21 November 19651966: 2 January 1966 to 11 December 19661967: 4 January 1967 to 22 December 19671968: 2 March 1968 to 2 December 19681969: 6 January 1969 to 7 December 19691970: 19 January 1970 to 25 December 19701971: 12 January 1971 to 29 December 19711972: 8 January 1972 to 9 October 19721973: 29 January 1973 to 28 December 19731974: 16 January 1974 to 19 December 19741975: 23 January 1975 to 26 December 19751976: 1 January 1976 to 26 December 19761977: 17 January 1977 to 1 December 19771978: 3 January 1978 to 23 November 19781979: 8 January 1979 to 16 December 19791980: 17 January 1980 to 28 November 19801982: 10 January 1982 to 29 October 19821983: 17 January 1983 to 30 December 19831984: 22 February 1984 to 11 December 19841985: 14 January 1985 to 23 December 19851986: 2 January 1986 to 29 October 19861987: 14 January 1987 to 15 December 19871988: 9 February 1988 to 28 December 19881989: 4 January 1989 to 13 November 19891990: 15 January 1990 to 10 December 19901991: 16 January 1991 to 19 December 19911992: 17 February 1992 to 22 December 19921993: 26 January 1993 to 29 December 19931994: 1 January 1994 to 9 November 19941995: 11 January 1995 to 15 December 19951996: 2 January 1996 to 29 December 19961997: 3 January 1997 to 31 December 199719331941194919571965197319821990JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Boscobel meeting 10 mm (0.39 in).
First to last qualifying date each year at Boscobel
YearFirst dateLast date
19331933-01-161933-01-30
19341934-01-011934-12-05
19351935-02-081935-12-15
19361936-01-081936-12-27
19371937-01-031937-12-23
19381938-01-121938-11-30
19391939-01-121939-12-11
19401940-02-041940-12-21
19411941-01-181941-02-28
19421942-02-171942-12-17
19431943-01-121943-12-31
19441944-01-011944-11-06
19451945-01-181945-03-18
19461946-01-011946-11-26
19471947-03-281947-12-24
19481948-01-181948-11-06
19491949-02-261949-12-18
19501950-01-081950-12-29
19511951-01-181951-10-30
19521952-02-091952-12-03
19531953-03-181953-12-18
19541954-01-191954-12-19
19551955-01-161955-12-18
19561956-01-011956-12-11
19571957-01-111957-11-17
19581958-01-021958-11-06
19591959-01-051959-12-30
19601960-02-051960-11-25
19611961-01-271961-12-05
19621962-01-191962-12-25
19631963-01-091963-12-12
19641964-02-121964-12-25
19651965-01-141965-11-21
19661966-01-021966-12-11
19671967-01-041967-12-22
19681968-03-021968-12-02
19691969-01-061969-12-07
19701970-01-191970-12-25
19711971-01-121971-12-29
19721972-01-081972-10-09
19731973-01-291973-12-28
19741974-01-161974-12-19
19751975-01-231975-12-26
19761976-01-011976-12-26
19771977-01-171977-12-01
19781978-01-031978-11-23
19791979-01-081979-12-16
19801980-01-171980-11-28
19821982-01-101982-10-29
19831983-01-171983-12-30
19841984-02-221984-12-11
19851985-01-141985-12-23
19861986-01-021986-10-29
19871987-01-141987-12-15
19881988-02-091988-12-28
19891989-01-041989-11-13
19901990-01-151990-12-10
19911991-01-161991-12-19
19921992-02-171992-12-22
19931993-01-261993-12-29
19941994-01-011994-11-09
19951995-01-111995-12-15
19961996-01-021996-12-29
19971997-01-031997-12-31

Every Fixed Threshold

Fixed thresholds at Boscobel
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain6430193419
25 mm (0.98 in): Days with 25 mm or more rain631119743
50 mm (1.97 in): Days with 50 mm or more rain33419611
100 mm (3.94 in): Days with 100 mm or more rain3119481

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1933.

Download the Data

  • Data for Boscobel threshold days by year: CSV or JSON. Field meanings are on the data page.

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).