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Built 2026-10-19 (19 October 2026)

Hooker 12 NNW Threshold Days by Year (USC00303961)

15 fixed thresholds counted per year at Hooker 12 NNW (USC00303961): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hooker 12 NNW Thresholds

  • Hooker 12 NNW: days with 10 mm (0.39 in) or more of precipitation in 77 years, most in 2019 with 66.
  • Hooker 12 NNW: days with 25 mm (0.98 in) or more of precipitation in 77 years, most in 2005 with 17.
  • Hooker 12 NNW: days with 10 cm (3.9 in) or more of snowfall in 61 years, most in 1977 with 40.
  • Hooker 12 NNW: days with 25 cm (9.8 in) or more of snowfall in 55 years, most in 1978 with 14.
  • 15 fixed thresholds have at least one qualifying day at Hooker 12 NNW.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Hooker 12 NNW Days per year at Hooker 12 NNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 26 in 2016. 01020302013: 182014: 142015: 212016: 262013201420152016
Days per year at Hooker 12 NNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 26 in 2016.
Days at or above 30 C (86 F) per year at Hooker 12 NNW
YearDaysDecade average
20131819.8
20141419.8
20152119.8
20162619.8
First to last qualifying date each year at Hooker 12 NNW For each year, a bar from the first to the last day at Hooker 12 NNW meeting 30 C (86 F). 2013: 22 May 2013 to 12 September 20132014: 3 June 2014 to 6 September 20142015: 9 May 2015 to 9 September 20152016: 26 May 2016 to 8 September 20162013201420152016JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hooker 12 NNW meeting 30 C (86 F).
First to last qualifying date each year at Hooker 12 NNW
YearFirst dateLast date
20132013-05-222013-09-12
20142014-06-032014-09-06
20152015-05-092015-09-09
20162016-05-262016-09-08

Every Fixed Threshold

Fixed thresholds at Hooker 12 NNW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days426201626
90 F (32.2 C): Days4620166
0 C (32 F): Ice days (max470201444
0 C (32 F): Frost days (min41632013156
-10 C (14 F): Days with min467201550
-20 C (-4 F): Days with min429201510
-30 C (-22 F): Days with min3220142
20 C (68 F): Tropical nights (min4720136
10 mm (0.39 in): Days with 10 mm or more rain7766201939
25 mm (0.98 in): Days with 25 mm or more rain771720059
50 mm (1.97 in): Days with 50 mm or more rain50419412
100 mm (3.94 in): Days with 100 mm or more rain2119571
10 cm (3.9 in): Days with 10 cm or more snowfall6140197710
25 cm (9.8 in): Days with 25 cm or more snowfall551419784
50 cm (19.7 in): Days with 50 cm or more snowfall24420241

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2013.

Download the Data

  • Data for Hooker 12 NNW 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 (2026-10-17).