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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Bel Air Fc 10A Threshold Days by Year (USC00040619)

4 fixed thresholds counted per year at Bel Air Fc 10A (USC00040619): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bel Air Fc 10A Thresholds

  • Bel Air Fc 10A: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1978 with 29.
  • Bel Air Fc 10A: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1978 with 12.
  • Bel Air Fc 10A: days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 1978 with 8.
  • Bel Air Fc 10A: days with 100 mm (3.94 in) or more of precipitation in 9 years, most in 1952 with 2.
  • 4 fixed thresholds have at least one qualifying day at Bel Air Fc 10A.
30 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Bel Air Fc 10A Days per year at Bel Air Fc 10A with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1978. 01020301949: 91950: 71951: 171952: 211953: 21954: 51955: 141956: 91957: 141958: 161959: 81960: 111961: 61962: 121963: 141964: 111965: 91966: 81967: 171968: 51969: 201970: 131971: 91972: 51973: 221974: 121975: 111976: 81977: 131978: 291949195219551958196119641967197019731976
Days per year at Bel Air Fc 10A with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1978.
Days with 10 mm (0.39 in) or more of precipitation per year at Bel Air Fc 10A
YearDaysDecade average
194999
1950711.3
19511711.3
19522111.3
1953211.3
1954511.3
19551411.3
1956911.3
19571411.3
19581611.3
1959811.3
19601111.3
1961611.3
19621211.3
19631411.3
19641111.3
1965911.3
1966811.3
19671711.3
1968511.3
19692011.3
19701313.6
1971913.6
1972513.6
19732213.6
19741213.6
19751113.6
1976813.6
19771313.6
19782913.6
First to last qualifying date each year at Bel Air Fc 10A For each year, a bar from the first to the last day at Bel Air Fc 10A meeting 10 mm (0.39 in). 1949: 12 January 1949 to 19 December 19491950: 9 January 1950 to 13 November 19501951: 10 January 1951 to 30 December 19511952: 7 January 1952 to 30 December 19521953: 31 March 1953 to 20 November 19531954: 13 February 1954 to 10 December 19541955: 1 January 1955 to 23 December 19551956: 25 January 1956 to 9 May 19561957: 5 January 1957 to 16 December 19571958: 26 January 1958 to 7 April 19581959: 6 January 1959 to 24 December 19591960: 10 January 1960 to 26 November 19601961: 26 January 1961 to 2 December 19611962: 20 January 1962 to 6 March 19621963: 31 January 1963 to 20 November 19631964: 21 January 1964 to 27 December 19641965: 7 January 1965 to 29 December 19651966: 30 January 1966 to 6 December 19661967: 22 January 1967 to 18 December 19671968: 27 January 1968 to 25 December 19681969: 14 January 1969 to 7 November 19691970: 10 January 1970 to 20 December 19701971: 12 January 1971 to 28 December 19711972: 11 November 1972 to 7 December 19721973: 9 January 1973 to 1 December 19731974: 4 January 1974 to 29 December 19741975: 3 February 1975 to 11 October 19751976: 6 February 1976 to 30 December 19761977: 3 January 1977 to 29 December 19771978: 4 January 1978 to 19 December 197819491953195719611965196919731977JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Bel Air Fc 10A meeting 10 mm (0.39 in).
First to last qualifying date each year at Bel Air Fc 10A
YearFirst dateLast date
19491949-01-121949-12-19
19501950-01-091950-11-13
19511951-01-101951-12-30
19521952-01-071952-12-30
19531953-03-311953-11-20
19541954-02-131954-12-10
19551955-01-011955-12-23
19561956-01-251956-05-09
19571957-01-051957-12-16
19581958-01-261958-04-07
19591959-01-061959-12-24
19601960-01-101960-11-26
19611961-01-261961-12-02
19621962-01-201962-03-06
19631963-01-311963-11-20
19641964-01-211964-12-27
19651965-01-071965-12-29
19661966-01-301966-12-06
19671967-01-221967-12-18
19681968-01-271968-12-25
19691969-01-141969-11-07
19701970-01-101970-12-20
19711971-01-121971-12-28
19721972-11-111972-12-07
19731973-01-091973-12-01
19741974-01-041974-12-29
19751975-02-031975-10-11
19761976-02-061976-12-30
19771977-01-031977-12-29
19781978-01-041978-12-19

Every Fixed Threshold

Fixed thresholds at Bel Air Fc 10A
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3029197829
25 mm (0.98 in): Days with 25 mm or more rain3012197812
50 mm (1.97 in): Days with 50 mm or more rain23819788
100 mm (3.94 in): Days with 100 mm or more rain9219521

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Bel Air Fc 10A 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).