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Built 2026-10-19 (19 October 2026)

Shirley Threshold Days by Year (USC00036586)

6 fixed thresholds counted per year at Shirley (USC00036586): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Shirley Thresholds

  • Shirley: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1957 with 57.
  • Shirley: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1957 with 28.
  • Shirley: days with 50 mm (1.97 in) or more of precipitation in 41 years, most in 1949 with 10.
  • Shirley: days with 100 mm (3.94 in) or more of precipitation in 14 years, most in 1957 with 3.
  • 6 fixed thresholds have at least one qualifying day at Shirley.
42 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Shirley Days per year at Shirley with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 57 in 1957. 02040601940: 321941: 431942: 451943: 271944: 451945: 521946: 481947: 331948: 391949: 491951: 471952: 351953: 341954: 371955: 411956: 341957: 571958: 411959: 341960: 281961: 471962: 421963: 231964: 391965: 351966: 371967: 431970: 381971: 351972: 401973: 551974: 411975: 441976: 281977: 421978: 451979: 501980: 301981: 321982: 501983: 281985: 39194019451951195619611966197319781983
Days per year at Shirley with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 57 in 1957.
Days with 10 mm (0.39 in) or more of precipitation per year at Shirley
YearDaysDecade average
19403241.3
19414341.3
19424541.3
19432741.3
19444541.3
19455241.3
19464841.3
19473341.3
19483941.3
19494941.3
19514740
19523540
19533440
19543740
19554140
19563440
19575740
19584140
19593440
19602836.8
19614736.8
19624236.8
19632336.8
19643936.8
19653536.8
19663736.8
19674336.8
19703841.8
19713541.8
19724041.8
19735541.8
19744141.8
19754441.8
19762841.8
19774241.8
19784541.8
19795041.8
19803035.8
19813235.8
19825035.8
19832835.8
19853935.8
First to last qualifying date each year at Shirley For each year, a bar from the first to the last day at Shirley meeting 10 mm (0.39 in). 1940: 10 January 1940 to 16 December 19401941: 1 January 1941 to 26 December 19411942: 1 January 1942 to 28 December 19421943: 3 February 1943 to 28 December 19431944: 2 January 1944 to 29 December 19441945: 19 January 1945 to 13 December 19451946: 5 January 1946 to 12 December 19461947: 2 January 1947 to 31 December 19471948: 1 January 1948 to 28 December 19481949: 4 January 1949 to 26 December 19491951: 3 January 1951 to 25 December 19511952: 2 January 1952 to 4 December 19521953: 8 January 1953 to 28 December 19531954: 10 January 1954 to 29 December 19541955: 15 January 1955 to 23 November 19551956: 23 January 1956 to 23 December 19561957: 5 January 1957 to 20 December 19571958: 20 January 1958 to 28 November 19581959: 15 January 1959 to 27 December 19591960: 6 January 1960 to 11 December 19601961: 1 January 1961 to 17 December 19611962: 5 January 1962 to 29 December 19621963: 12 February 1963 to 23 December 19631964: 24 January 1964 to 11 December 19641965: 2 January 1965 to 25 December 19651966: 1 January 1966 to 28 December 19661967: 26 January 1967 to 21 December 19671970: 6 January 1970 to 31 December 19701971: 4 January 1971 to 15 December 19711972: 4 January 1972 to 30 December 19721973: 7 January 1973 to 24 December 19731974: 10 January 1974 to 6 December 19741975: 3 January 1975 to 29 December 19751976: 20 January 1976 to 11 December 19761977: 9 January 1977 to 17 December 19771978: 12 January 1978 to 31 December 19781979: 1 January 1979 to 24 December 19791980: 8 February 1980 to 9 December 19801981: 1 February 1981 to 30 November 19811982: 3 January 1982 to 27 December 19821983: 1 February 1983 to 27 November 19831985: 1 January 1985 to 11 December 19851940194619531959196519731979JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Shirley meeting 10 mm (0.39 in).
First to last qualifying date each year at Shirley
YearFirst dateLast date
19401940-01-101940-12-16
19411941-01-011941-12-26
19421942-01-011942-12-28
19431943-02-031943-12-28
19441944-01-021944-12-29
19451945-01-191945-12-13
19461946-01-051946-12-12
19471947-01-021947-12-31
19481948-01-011948-12-28
19491949-01-041949-12-26
19511951-01-031951-12-25
19521952-01-021952-12-04
19531953-01-081953-12-28
19541954-01-101954-12-29
19551955-01-151955-11-23
19561956-01-231956-12-23
19571957-01-051957-12-20
19581958-01-201958-11-28
19591959-01-151959-12-27
19601960-01-061960-12-11
19611961-01-011961-12-17
19621962-01-051962-12-29
19631963-02-121963-12-23
19641964-01-241964-12-11
19651965-01-021965-12-25
19661966-01-011966-12-28
19671967-01-261967-12-21
19701970-01-061970-12-31
19711971-01-041971-12-15
19721972-01-041972-12-30
19731973-01-071973-12-24
19741974-01-101974-12-06
19751975-01-031975-12-29
19761976-01-201976-12-11
19771977-01-091977-12-17
19781978-01-121978-12-31
19791979-01-011979-12-24
19801980-02-081980-12-09
19811981-02-011981-11-30
19821982-01-031982-12-27
19831983-02-011983-11-27
19851985-01-011985-12-11

Every Fixed Threshold

Fixed thresholds at Shirley
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4257195739
25 mm (0.98 in): Days with 25 mm or more rain4228195713
50 mm (1.97 in): Days with 50 mm or more rain411019495
100 mm (3.94 in): Days with 100 mm or more rain14319571
200 mm (7.87 in): Days with 200 mm or more rain1119821
10 cm (3.9 in): Days with 10 cm or more snowfall11219601

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1940.

Download the Data

  • Data for Shirley 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).