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Built 2026-10-19 (19 October 2026)

Gettysburg 13W Threshold Days by Year (USC00393302)

15 fixed thresholds counted per year at Gettysburg 13W (USC00393302): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Gettysburg 13W Thresholds

  • Gettysburg 13W: days with a maximum temperature at or above 30 C (86 F) in 10 years, most in 1980 with 78.
  • Gettysburg 13W: days with a maximum temperature at or above 35 C (95 F) in 10 years, most in 1980 with 26.
  • Gettysburg 13W: days with a maximum temperature at or above 90 F (32.2 C) in 10 years, most in 1980 with 55.
  • Gettysburg 13W: days with a maximum temperature at or below 0 C (32 F) in 10 years, most in 1978 with 103.
  • 15 fixed thresholds have at least one qualifying day at Gettysburg 13W.
10 years with a qualifying day
Days at or above 30 C (86 F) per year at Gettysburg 13W Days per year at Gettysburg 13W with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 78 in 1980. 0204060801978: 621979: 511980: 781981: 491982: 441997: 311998: 601999: 422005: 562007: 531978197919801981198219971998199920052007
Days per year at Gettysburg 13W with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 78 in 1980.
Days at or above 30 C (86 F) per year at Gettysburg 13W
YearDaysDecade average
19786256.5
19795156.5
19807857
19814957
19824457
19973144.3
19986044.3
19994244.3
20055654.5
20075354.5
First to last qualifying date each year at Gettysburg 13W For each year, a bar from the first to the last day at Gettysburg 13W meeting 30 C (86 F). 1978: 24 May 1978 to 26 September 19781979: 16 May 1979 to 27 September 19791980: 20 April 1980 to 8 October 19801981: 6 June 1981 to 19 September 19811982: 3 May 1982 to 11 September 19821997: 16 May 1997 to 2 October 19971998: 14 May 1998 to 18 September 19981999: 4 June 1999 to 31 August 19992005: 21 May 2005 to 22 September 20052007: 14 May 2007 to 30 September 200719781980198219982005JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Gettysburg 13W meeting 30 C (86 F).
First to last qualifying date each year at Gettysburg 13W
YearFirst dateLast date
19781978-05-241978-09-26
19791979-05-161979-09-27
19801980-04-201980-10-08
19811981-06-061981-09-19
19821982-05-031982-09-11
19971997-05-161997-10-02
19981998-05-141998-09-18
19991999-06-041999-08-31
20052005-05-212005-09-22
20072007-05-142007-09-30

Every Fixed Threshold

Fixed thresholds at Gettysburg 13W
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1078198053
35 C (95 F): Days1026198013
40 C (104 F): Days5419802
90 F (32.2 C): Days1055198030
100 F (37.8 C): Days9819805
0 C (32 F): Ice days (max10103197863
0 C (32 F): Frost days (min101911979151
-10 C (14 F): Days with min10110197886
-20 C (-4 F): Days with min1049197820
-30 C (-22 F): Days with min7719782
20 C (68 F): Tropical nights (min913200512
10 mm (0.39 in): Days with 10 mm or more rain1017199815
25 mm (0.98 in): Days with 25 mm or more rain10619994
50 mm (1.97 in): Days with 50 mm or more rain6119781
10 cm (3.9 in): Days with 10 cm or more snowfall8320074

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1978.

Download the Data

  • Data for Gettysburg 13W 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).