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Built 2026-10-19 (19 October 2026)

Hole-in-Mountain Threshold Days by Year (USS0015J15S)

9 fixed thresholds counted per year at Hole-in-Mountain (USS0015J15S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hole-in-Mountain Thresholds

  • Hole-in-Mountain: days with 10 mm (0.39 in) or more of precipitation in 43 years, most in 1983 with 55.
  • Hole-in-Mountain: days with 25 mm (0.98 in) or more of precipitation in 43 years, most in 2017 with 14.
  • Hole-in-Mountain: days with a maximum temperature at or below 0 C (32 F) in 32 years, most in 2008 with 70.
  • Hole-in-Mountain: nights with a minimum temperature at or below 0 C (32 F) in 32 years, most in 1998 with 212.
  • 9 fixed thresholds have at least one qualifying day at Hole-in-Mountain.
9 years with a qualifying day
Days at or above 30 C (86 F) per year at Hole-in-Mountain Days per year at Hole-in-Mountain with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 1994. 012341992: 11994: 41996: 12000: 32002: 42003: 12005: 12006: 12013: 1199219941996200020022003200520062013
Days per year at Hole-in-Mountain with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 1994.
Days at or above 30 C (86 F) per year at Hole-in-Mountain
YearDaysDecade average
199212
199442
199612
200032
200242
200312
200512
200612
201311
First to last qualifying date each year at Hole-in-Mountain For each year, a bar from the first to the last day at Hole-in-Mountain meeting 30 C (86 F). 1992: 12 August 1992 to 12 August 19921994: 25 July 1994 to 4 August 19941996: 12 August 1996 to 12 August 19962000: 30 July 2000 to 1 August 20002002: 10 July 2002 to 13 July 20022003: 22 July 2003 to 22 July 20032005: 15 July 2005 to 15 July 20052006: 21 July 2006 to 21 July 20062013: 1 July 2013 to 1 July 201319921996200220052013JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hole-in-Mountain meeting 30 C (86 F).
First to last qualifying date each year at Hole-in-Mountain
YearFirst dateLast date
19921992-08-121992-08-12
19941994-07-251994-08-04
19961996-08-121996-08-12
20002000-07-302000-08-01
20022002-07-102002-07-13
20032003-07-222003-07-22
20052005-07-152005-07-15
20062006-07-212006-07-21
20132013-07-012013-07-01

Every Fixed Threshold

Fixed thresholds at Hole-in-Mountain
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days9419941
0 C (32 F): Ice days (max3270200815
0 C (32 F): Frost days (min32212199898
-10 C (14 F): Days with min3272200810
-20 C (-4 F): Days with min16820131
10 mm (0.39 in): Days with 10 mm or more rain4355198319
25 mm (0.98 in): Days with 25 mm or more rain431420173
50 mm (1.97 in): Days with 50 mm or more rain15419961
100 mm (3.94 in): Days with 100 mm or more rain2119831

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1992.

Download the Data

  • Data for Hole-in-Mountain 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).