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

Blairstown Threshold Days by Year (USC00230713)

5 fixed thresholds counted per year at Blairstown (USC00230713): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Blairstown Thresholds

  • Blairstown: days with 10 mm (0.39 in) or more of precipitation in 3 years, most in 2009 with 40.
  • Blairstown: days with 25 mm (0.98 in) or more of precipitation in 3 years, most in 2009 with 15.
  • Blairstown: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 2009 with 6.
  • Blairstown: days with 10 cm (3.9 in) or more of snowfall in 2 years, most in 2009 with 1.
  • 5 fixed thresholds have at least one qualifying day at Blairstown.
3 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Blairstown Days per year at Blairstown with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 2009. 0102030401975: 282009: 402010: 39197520092010
Days per year at Blairstown with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 2009.
Days with 10 mm (0.39 in) or more of precipitation per year at Blairstown
YearDaysDecade average
19752828
20094040
20103939
First to last qualifying date each year at Blairstown For each year, a bar from the first to the last day at Blairstown meeting 10 mm (0.39 in). 1975: 10 January 1975 to 30 November 19752009: 11 February 2009 to 24 December 20092010: 21 February 2010 to 13 November 2010197520092010JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Blairstown meeting 10 mm (0.39 in).
First to last qualifying date each year at Blairstown
YearFirst dateLast date
19751975-01-101975-11-30
20092009-02-112009-12-24
20102010-02-212010-11-13

Every Fixed Threshold

Fixed thresholds at Blairstown
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain340200939
25 mm (0.98 in): Days with 25 mm or more rain315200912
50 mm (1.97 in): Days with 50 mm or more rain3620091
100 mm (3.94 in): Days with 100 mm or more rain1119751
10 cm (3.9 in): Days with 10 cm or more snowfall2120091

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.

Download the Data

  • Data for Blairstown 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).