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

Arley 1 S Threshold Days by Year (USC00010338)

5 fixed thresholds counted per year at Arley 1 S (USC00010338): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Arley 1 S Thresholds

  • Arley 1 S: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1946 with 59.
  • Arley 1 S: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1946 with 29.
  • Arley 1 S: days with 50 mm (1.97 in) or more of precipitation in 40 years, most in 1946 with 10.
  • Arley 1 S: days with 100 mm (3.94 in) or more of precipitation in 11 years, most in 1951 with 2.
  • 5 fixed thresholds have at least one qualifying day at Arley 1 S.
40 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Arley 1 S Days per year at Arley 1 S with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 59 in 1946. 02040601939: 581940: 481941: 361942: 401943: 351946: 591947: 561948: 521949: 551950: 571951: 551952: 431953: 391954: 421955: 551956: 591957: 581958: 441959: 561960: 421961: 491962: 471963: 381964: 441965: 441966: 431967: 481968: 411969: 471970: 501971: 491972: 461973: 471974: 471975: 491976: 461977: 501978: 381979: 581981: 451939194319491953195719611965196919731977
Days per year at Arley 1 S with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 59 in 1946.
Days with 10 mm (0.39 in) or more of precipitation per year at Arley 1 S
YearDaysDecade average
19395858
19404847.6
19413647.6
19424047.6
19433547.6
19465947.6
19475647.6
19485247.6
19495547.6
19505750.8
19515550.8
19524350.8
19533950.8
19544250.8
19555550.8
19565950.8
19575850.8
19584450.8
19595650.8
19604244.3
19614944.3
19624744.3
19633844.3
19644444.3
19654444.3
19664344.3
19674844.3
19684144.3
19694744.3
19705048
19714948
19724648
19734748
19744748
19754948
19764648
19775048
19783848
19795848
19814545
First to last qualifying date each year at Arley 1 S For each year, a bar from the first to the last day at Arley 1 S meeting 10 mm (0.39 in). 1939: 5 January 1939 to 26 December 19391940: 6 January 1940 to 30 December 19401941: 3 January 1941 to 24 December 19411942: 1 January 1942 to 28 December 19421943: 18 January 1943 to 28 December 19431946: 6 January 1946 to 29 December 19461947: 2 January 1947 to 16 December 19471948: 1 January 1948 to 30 December 19481949: 3 January 1949 to 23 December 19491950: 5 January 1950 to 29 December 19501951: 2 January 1951 to 26 December 19511952: 4 January 1952 to 31 December 19521953: 2 January 1953 to 15 December 19531954: 11 January 1954 to 18 December 19541955: 2 January 1955 to 18 December 19551956: 19 January 1956 to 24 December 19561957: 4 January 1957 to 20 December 19571958: 14 January 1958 to 29 November 19581959: 1 January 1959 to 28 December 19591960: 15 January 1960 to 30 December 19601961: 1 January 1961 to 28 December 19611962: 5 January 1962 to 29 December 19621963: 12 January 1963 to 23 December 19631964: 1 January 1964 to 20 December 19641965: 3 January 1965 to 13 December 19651966: 3 January 1966 to 10 December 19661967: 14 January 1967 to 28 December 19671968: 4 January 1968 to 28 December 19681969: 18 January 1969 to 31 December 19691970: 6 January 1970 to 29 December 19701971: 5 January 1971 to 20 December 19711972: 2 January 1972 to 31 December 19721973: 3 January 1973 to 31 December 19731974: 4 January 1974 to 31 December 19741975: 11 January 1975 to 31 December 19751976: 3 January 1976 to 26 December 19761977: 3 January 1977 to 30 December 19771978: 6 January 1978 to 31 December 19781979: 1 January 1979 to 30 December 19791981: 7 January 1981 to 31 December 198119391946195119561961196619711976JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Arley 1 S meeting 10 mm (0.39 in).
First to last qualifying date each year at Arley 1 S
YearFirst dateLast date
19391939-01-051939-12-26
19401940-01-061940-12-30
19411941-01-031941-12-24
19421942-01-011942-12-28
19431943-01-181943-12-28
19461946-01-061946-12-29
19471947-01-021947-12-16
19481948-01-011948-12-30
19491949-01-031949-12-23
19501950-01-051950-12-29
19511951-01-021951-12-26
19521952-01-041952-12-31
19531953-01-021953-12-15
19541954-01-111954-12-18
19551955-01-021955-12-18
19561956-01-191956-12-24
19571957-01-041957-12-20
19581958-01-141958-11-29
19591959-01-011959-12-28
19601960-01-151960-12-30
19611961-01-011961-12-28
19621962-01-051962-12-29
19631963-01-121963-12-23
19641964-01-011964-12-20
19651965-01-031965-12-13
19661966-01-031966-12-10
19671967-01-141967-12-28
19681968-01-041968-12-28
19691969-01-181969-12-31
19701970-01-061970-12-29
19711971-01-051971-12-20
19721972-01-021972-12-31
19731973-01-031973-12-31
19741974-01-041974-12-31
19751975-01-111975-12-31
19761976-01-031976-12-26
19771977-01-031977-12-30
19781978-01-061978-12-31
19791979-01-011979-12-30
19811981-01-071981-12-31

Every Fixed Threshold

Fixed thresholds at Arley 1 S
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4059194645
25 mm (0.98 in): Days with 25 mm or more rain4029194616
50 mm (1.97 in): Days with 50 mm or more rain401019461
100 mm (3.94 in): Days with 100 mm or more rain11219511
10 cm (3.9 in): Days with 10 cm or more snowfall2119641

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.

Download the Data

  • Data for Arley 1 S 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).