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

Diddleum Plains Threshold Days by Year

4 fixed thresholds counted per year at Diddleum Plains (ASN00091026): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Diddleum Plains Thresholds

  • Diddleum Plains: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1975 with 69.
  • Diddleum Plains: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1952 with 30.
  • Diddleum Plains: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 1952 with 9.
  • Diddleum Plains: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1945 with 1.
  • 4 fixed thresholds have at least one qualifying day at Diddleum Plains.
30 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Diddleum Plains Days per year at Diddleum Plains with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 69 in 1975. 0204060801941: 351942: 551943: 391944: 451945: 411946: 561947: 641948: 491949: 451950: 461951: 471952: 601953: 491955: 601956: 541966: 361967: 271968: 571969: 451970: 611971: 621972: 331973: 551974: 631975: 691976: 311977: 401978: 451979: 521980: 431941194419471950195319661969197219751978
Days per year at Diddleum Plains with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 69 in 1975.
Days with 10 mm (0.39 in) or more of precipitation per year at Diddleum Plains
YearDaysDecade average
19413547.7
19425547.7
19433947.7
19444547.7
19454147.7
19465647.7
19476447.7
19484947.7
19494547.7
19504652.7
19514752.7
19526052.7
19534952.7
19556052.7
19565452.7
19663641.3
19672741.3
19685741.3
19694541.3
19706151.1
19716251.1
19723351.1
19735551.1
19746351.1
19756951.1
19763151.1
19774051.1
19784551.1
19795251.1
19804343
First to last qualifying date each year at Diddleum Plains For each year, a bar from the first to the last day at Diddleum Plains meeting 10 mm (0.39 in). 1941: 5 January 1941 to 20 December 19411942: 8 January 1942 to 24 December 19421943: 3 January 1943 to 23 December 19431944: 4 January 1944 to 23 December 19441945: 16 January 1945 to 27 December 19451946: 4 January 1946 to 16 December 19461947: 17 January 1947 to 25 December 19471948: 6 January 1948 to 30 December 19481949: 5 January 1949 to 11 December 19491950: 9 January 1950 to 30 December 19501951: 16 January 1951 to 18 December 19511952: 10 January 1952 to 11 December 19521953: 5 January 1953 to 22 December 19531955: 29 January 1955 to 31 December 19551956: 1 January 1956 to 29 December 19561966: 5 February 1966 to 19 December 19661967: 13 January 1967 to 31 December 19671968: 21 February 1968 to 28 November 19681969: 15 January 1969 to 13 December 19691970: 4 January 1970 to 31 December 19701971: 2 January 1971 to 19 December 19711972: 10 January 1972 to 12 November 19721973: 13 January 1973 to 31 December 19731974: 4 January 1974 to 29 December 19741975: 4 January 1975 to 29 December 19751976: 9 January 1976 to 16 December 19761977: 16 January 1977 to 27 December 19771978: 24 January 1978 to 4 December 19781979: 9 January 1979 to 11 December 19791980: 7 January 1980 to 16 December 198019411945194919531967197119751979JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Diddleum Plains meeting 10 mm (0.39 in).
First to last qualifying date each year at Diddleum Plains
YearFirst dateLast date
19411941-01-051941-12-20
19421942-01-081942-12-24
19431943-01-031943-12-23
19441944-01-041944-12-23
19451945-01-161945-12-27
19461946-01-041946-12-16
19471947-01-171947-12-25
19481948-01-061948-12-30
19491949-01-051949-12-11
19501950-01-091950-12-30
19511951-01-161951-12-18
19521952-01-101952-12-11
19531953-01-051953-12-22
19551955-01-291955-12-31
19561956-01-011956-12-29
19661966-02-051966-12-19
19671967-01-131967-12-31
19681968-02-211968-11-28
19691969-01-151969-12-13
19701970-01-041970-12-31
19711971-01-021971-12-19
19721972-01-101972-11-12
19731973-01-131973-12-31
19741974-01-041974-12-29
19751975-01-041975-12-29
19761976-01-091976-12-16
19771977-01-161977-12-27
19781978-01-241978-12-04
19791979-01-091979-12-11
19801980-01-071980-12-16

Every Fixed Threshold

Fixed thresholds at Diddleum Plains
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3069197543
25 mm (0.98 in): Days with 25 mm or more rain303019528
50 mm (1.97 in): Days with 50 mm or more rain26919521
100 mm (3.94 in): Days with 100 mm or more rain3119451

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

Download the Data

  • Data for Diddleum Plains 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).