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Data as of 2026-10-14
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Built 2026-10-16 (16 October 2026)

Blind Bull Sum Threshold Days by Year

9 fixed thresholds counted per year at Blind Bull Sum (USS0010G02S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Blind Bull Sum Thresholds

  • Blind Bull Sum: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1996 with 40.
  • Blind Bull Sum: days with a maximum temperature at or below 0 C (32 F) in 41 years, most in 2022 with 143.
  • Blind Bull Sum: days with 25 mm (0.98 in) or more of precipitation in 38 years, most in 2017 with 8.
  • Blind Bull Sum: nights with a minimum temperature at or below 0 C (32 F) in 33 years, most in 2005 with 263.
  • 9 fixed thresholds have at least one qualifying day at Blind Bull Sum.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Blind Bull Sum Days per year at Blind Bull Sum with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 2 in 2002. 011222002: 22006: 12007: 22008: 12002200620072008
Days per year at Blind Bull Sum with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 2 in 2002.
Days at or above 30 C (86 F) per year at Blind Bull Sum
YearDaysDecade average
200221.5
200611.5
200721.5
200811.5
First to last qualifying date each year at Blind Bull Sum For each year, a bar from the first to the last day at Blind Bull Sum meeting 30 C (86 F). 2002: 12 July 2002 to 14 July 20022006: 22 July 2006 to 22 July 20062007: 15 July 2007 to 23 July 20072008: 1 August 2008 to 1 August 20082002200620072008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Blind Bull Sum meeting 30 C (86 F).
First to last qualifying date each year at Blind Bull Sum
YearFirst dateLast date
20022002-07-122002-07-14
20062006-07-222006-07-22
20072007-07-152007-07-23
20082008-08-012008-08-01

Every Fixed Threshold

Fixed thresholds at Blind Bull Sum
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4220021
0 C (32 F): Ice days (max41143202258
0 C (32 F): Frost days (min332632005138
-10 C (14 F): Days with min33134202238
-20 C (-4 F): Days with min331820133
-30 C (-22 F): Days with min1120251
10 mm (0.39 in): Days with 10 mm or more rain464019967
25 mm (0.98 in): Days with 25 mm or more rain38820172
50 mm (1.97 in): Days with 50 mm or more rain4119871

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2002.

Download the Data

  • Data for Blind Bull Sum 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-14).