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Data as of 2025-12-31
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Built 2026-10-15 (15 October 2026)

Chemung Threshold Days by Year

17 fixed thresholds counted per year at Chemung (USC00301413): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chemung Thresholds

  • Chemung: days with 10 mm (0.39 in) or more of precipitation in 76 years, most in 2011 with 44.
  • Chemung: days with 25 mm (0.98 in) or more of precipitation in 76 years, most in 1977 with 15.
  • Chemung: days with 10 cm (3.9 in) or more of snowfall in 58 years, most in 1958 with 9.
  • Chemung: days with 50 mm (1.97 in) or more of precipitation in 34 years, most in 2004 with 3.
  • 17 fixed thresholds have at least one qualifying day at Chemung.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Chemung Days per year at Chemung with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 58 in 2016. 02040602010: 452011: 342012: 462013: 332014: 192015: 332016: 582010201120122013201420152016
Days per year at Chemung with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 58 in 2016.
Days at or above 30 C (86 F) per year at Chemung
YearDaysDecade average
20104538.3
20113438.3
20124638.3
20133338.3
20141938.3
20153338.3
20165838.3
First to last qualifying date each year at Chemung For each year, a bar from the first to the last day at Chemung meeting 30 C (86 F). 2010: 2 May 2010 to 25 September 20102011: 30 May 2011 to 5 September 20112012: 17 April 2012 to 7 September 20122013: 22 May 2013 to 12 September 20132014: 3 June 2014 to 6 September 20142015: 9 May 2015 to 10 September 20152016: 26 May 2016 to 23 September 20162010201120122013201420152016JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Chemung meeting 30 C (86 F).
First to last qualifying date each year at Chemung
YearFirst dateLast date
20102010-05-022010-09-25
20112011-05-302011-09-05
20122012-04-172012-09-07
20132013-05-222013-09-12
20142014-06-032014-09-06
20152015-05-092015-09-10
20162016-05-262016-09-23

Every Fixed Threshold

Fixed thresholds at Chemung
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days758201658
35 C (95 F): Days5420113
40 C (104 F): Days1120111
90 F (32.2 C): Days727201021
100 F (37.8 C): Days1220112
0 C (32 F): Ice days (max756201426
0 C (32 F): Frost days (min71632014139
-10 C (14 F): Days with min762201529
-20 C (-4 F): Days with min62520152
20 C (68 F): Tropical nights (min7920169
10 mm (0.39 in): Days with 10 mm or more rain7644201120
25 mm (0.98 in): Days with 25 mm or more rain761519774
50 mm (1.97 in): Days with 50 mm or more rain34320041
100 mm (3.94 in): Days with 100 mm or more rain3120071
10 cm (3.9 in): Days with 10 cm or more snowfall58919581
25 cm (9.8 in): Days with 25 cm or more snowfall13219781
50 cm (19.7 in): Days with 50 cm or more snowfall1119691

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2010.

Download the Data

  • Data for Chemung 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 (2025-12-31).