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

Tiller Threshold Days by Year (USC00358514)

12 fixed thresholds counted per year at Tiller (USC00358514): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tiller Thresholds

  • Tiller: days with 10 mm (0.39 in) or more of precipitation in 10 years, most in 1974 with 43.
  • Tiller: days with 25 mm (0.98 in) or more of precipitation in 9 years, most in 1974 with 14.
  • Tiller: days with 50 mm (1.97 in) or more of precipitation in 7 years, most in 1974 with 4.
  • Tiller: nights with a minimum temperature at or above 20 C (68 F) in 2 years, most in 2025 with 78.
  • 12 fixed thresholds have at least one qualifying day at Tiller.
10 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Tiller Days per year at Tiller with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1974. 02040601938: 331939: 261962: 251963: 331964: 391965: 261966: 311968: 171973: 421974: 431938193919621963196419651966196819731974
Days per year at Tiller with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Tiller
YearDaysDecade average
19383329.5
19392629.5
19622528.5
19633328.5
19643928.5
19652628.5
19663128.5
19681728.5
19734242.5
19744342.5
First to last qualifying date each year at Tiller For each year, a bar from the first to the last day at Tiller meeting 10 mm (0.39 in). 1938: 22 January 1938 to 21 December 19381939: 4 January 1939 to 31 December 19391962: 2 March 1962 to 17 December 19621963: 2 January 1963 to 30 December 19631964: 2 January 1964 to 30 December 19641965: 4 January 1965 to 31 December 19651966: 3 January 1966 to 27 December 19661968: 10 January 1968 to 30 October 19681973: 12 January 1973 to 28 December 19731974: 2 January 1974 to 30 December 197419381962196419661973JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tiller meeting 10 mm (0.39 in).
First to last qualifying date each year at Tiller
YearFirst dateLast date
19381938-01-221938-12-21
19391939-01-041939-12-31
19621962-03-021962-12-17
19631963-01-021963-12-30
19641964-01-021964-12-30
19651965-01-041965-12-31
19661966-01-031966-12-27
19681968-01-101968-10-30
19731973-01-121973-12-28
19741974-01-021974-12-30

Every Fixed Threshold

Fixed thresholds at Tiller
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days188193888
35 C (95 F): Days121193821
40 C (104 F): Days1519385
90 F (32.2 C): Days158193858
100 F (37.8 C): Days1719387
0 C (32 F): Frost days (min1220252
20 C (68 F): Tropical nights (min278202578
25 C (77 F): Days with min1120251
10 mm (0.39 in): Days with 10 mm or more rain1043197443
25 mm (0.98 in): Days with 25 mm or more rain914197414
50 mm (1.97 in): Days with 50 mm or more rain7419744
100 mm (3.94 in): Days with 100 mm or more rain1119741

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1938.

Download the Data

  • Data for Tiller 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).