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

Happy Threshold Days by Year (USC00413922)

13 fixed thresholds counted per year at Happy (USC00413922): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Happy Thresholds

  • Happy: days with 10 mm (0.39 in) or more of precipitation in 3 years, most in 1944 with 24.
  • Happy: days with 25 mm (0.98 in) or more of precipitation in 3 years, most in 1944 with 7.
  • Happy: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 1944 with 1.
  • Happy: days with a maximum temperature at or above 30 C (86 F) in 2 years, most in 1944 with 106.
  • 13 fixed thresholds have at least one qualifying day at Happy.
3 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Happy Days per year at Happy with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 1944. 01020301944: 241945: 141946: 16194419451946
Days per year at Happy with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 1944.
Days with 10 mm (0.39 in) or more of precipitation per year at Happy
YearDaysDecade average
19442418
19451418
19461618
First to last qualifying date each year at Happy For each year, a bar from the first to the last day at Happy meeting 10 mm (0.39 in). 1944: 7 January 1944 to 4 December 19441945: 17 January 1945 to 9 October 19451946: 15 January 1946 to 12 December 1946194419451946JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Happy meeting 10 mm (0.39 in).
First to last qualifying date each year at Happy
YearFirst dateLast date
19441944-01-071944-12-04
19451945-01-171945-10-09
19461946-01-151946-12-12

Every Fixed Threshold

Fixed thresholds at Happy
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days21061944106
35 C (95 F): Days243194443
40 C (104 F): Days1519445
90 F (32.2 C): Days282194482
100 F (37.8 C): Days214194414
0 C (32 F): Ice days (max22118952
0 C (32 F): Frost days (min11271895127
-10 C (14 F): Days with min137189537
-20 C (-4 F): Days with min1618956
10 mm (0.39 in): Days with 10 mm or more rain324194416
25 mm (0.98 in): Days with 25 mm or more rain3719445
50 mm (1.97 in): Days with 50 mm or more rain3119442
10 cm (3.9 in): Days with 10 cm or more snowfall2119441

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1895.

Download the Data

  • Data for Happy 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).