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

Tatham Threshold Days by Year (ASN00058053)

5 fixed thresholds counted per year at Tatham (ASN00058053): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tatham Thresholds

  • Tatham: days with 10 mm (0.39 in) or more of precipitation in 18 years, most in 1950 with 49.
  • Tatham: days with 25 mm (0.98 in) or more of precipitation in 18 years, most in 1950 with 25.
  • Tatham: days with 50 mm (1.97 in) or more of precipitation in 17 years, most in 1968 with 7.
  • Tatham: days with 100 mm (3.94 in) or more of precipitation in 6 years, most in 1946 with 1.
  • 5 fixed thresholds have at least one qualifying day at Tatham.
18 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Tatham Days per year at Tatham with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 49 in 1950. 02040601940: 341941: 261942: 281946: 281947: 401949: 241950: 491951: 331952: 331960: 221961: 371962: 351963: 381964: 311965: 241966: 211967: 481968: 27194019421947195019521961196319651967
Days per year at Tatham with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 49 in 1950.
Days with 10 mm (0.39 in) or more of precipitation per year at Tatham
YearDaysDecade average
19403430
19412630
19422830
19462830
19474030
19492430
19504938.3
19513338.3
19523338.3
19602231.4
19613731.4
19623531.4
19633831.4
19643131.4
19652431.4
19662131.4
19674831.4
19682731.4
First to last qualifying date each year at Tatham For each year, a bar from the first to the last day at Tatham meeting 10 mm (0.39 in). 1940: 5 January 1940 to 20 December 19401941: 9 January 1941 to 29 December 19411942: 13 January 1942 to 31 December 19421946: 6 January 1946 to 16 December 19461947: 4 January 1947 to 18 December 19471949: 4 January 1949 to 21 November 19491950: 17 January 1950 to 12 December 19501951: 2 January 1951 to 1 November 19511952: 12 February 1952 to 6 December 19521960: 21 January 1960 to 7 December 19601961: 5 January 1961 to 19 December 19611962: 6 January 1962 to 29 December 19621963: 1 January 1963 to 31 December 19631964: 27 January 1964 to 6 December 19641965: 27 January 1965 to 16 December 19651966: 1 February 1966 to 30 December 19661967: 1 January 1967 to 26 November 19671968: 10 January 1968 to 5 December 1968194019461950196019631966JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tatham meeting 10 mm (0.39 in).
First to last qualifying date each year at Tatham
YearFirst dateLast date
19401940-01-051940-12-20
19411941-01-091941-12-29
19421942-01-131942-12-31
19461946-01-061946-12-16
19471947-01-041947-12-18
19491949-01-041949-11-21
19501950-01-171950-12-12
19511951-01-021951-11-01
19521952-02-121952-12-06
19601960-01-211960-12-07
19611961-01-051961-12-19
19621962-01-061962-12-29
19631963-01-011963-12-31
19641964-01-271964-12-06
19651965-01-271965-12-16
19661966-02-011966-12-30
19671967-01-011967-11-26
19681968-01-101968-12-05

Every Fixed Threshold

Fixed thresholds at Tatham
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1849195027
25 mm (0.98 in): Days with 25 mm or more rain1825195013
50 mm (1.97 in): Days with 50 mm or more rain17719687
100 mm (3.94 in): Days with 100 mm or more rain6119461
200 mm (7.87 in): Days with 200 mm or more rain1119621

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 Tatham 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).