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

Graphite Lake Alaska Threshold Days by Year (USR0000AGRA)

9 fixed thresholds counted per year at Graphite Lake Alaska (USR0000AGRA): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Graphite Lake Alaska Thresholds

  • Graphite Lake Alaska: days with a maximum temperature at or below 0 C (32 F) in 12 years, most in 2000 with 199.
  • Graphite Lake Alaska: nights with a minimum temperature at or below 0 C (32 F) in 12 years, most in 2000 with 247.
  • Graphite Lake Alaska: nights with a minimum temperature at or below -10 C (14 F) in 12 years, most in 2000 with 177.
  • Graphite Lake Alaska: nights with a minimum temperature at or below -20 C (-4 F) in 12 years, most in 1999 with 106.
  • 9 fixed thresholds have at least one qualifying day at Graphite Lake Alaska.
8 years with a qualifying day
Days at or above 30 C (86 F) per year at Graphite Lake Alaska Days per year at Graphite Lake Alaska with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 7 in 1999. 024681998: 41999: 72000: 12005: 32007: 22017: 22018: 32019: 219981999200020052007201720182019
Days per year at Graphite Lake Alaska with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 7 in 1999.
Days at or above 30 C (86 F) per year at Graphite Lake Alaska
YearDaysDecade average
199845.5
199975.5
200012
200532
200722
201722.3
201832.3
201922.3
First to last qualifying date each year at Graphite Lake Alaska For each year, a bar from the first to the last day at Graphite Lake Alaska meeting 30 C (86 F). 1998: 30 June 1998 to 5 July 19981999: 12 June 1999 to 6 August 19992000: 8 July 2000 to 8 July 20002005: 10 June 2005 to 29 June 20052007: 5 June 2007 to 5 July 20072017: 7 July 2017 to 8 July 20172018: 23 July 2018 to 25 July 20182019: 21 June 2019 to 29 June 201919981999200020052007201720182019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Graphite Lake Alaska meeting 30 C (86 F).
First to last qualifying date each year at Graphite Lake Alaska
YearFirst dateLast date
19981998-06-301998-07-05
19991999-06-121999-08-06
20002000-07-082000-07-08
20052005-06-102005-06-29
20072007-06-052007-07-05
20172017-07-072017-07-08
20182018-07-232018-07-25
20192019-06-212019-06-29

Every Fixed Threshold

Fixed thresholds at Graphite Lake Alaska
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days8719992
90 F (32.2 C): Days2219991
0 C (32 F): Ice days (max121992000171
0 C (32 F): Frost days (min122472000214
-10 C (14 F): Days with min121772000166
-20 C (-4 F): Days with min12106199998
-30 C (-22 F): Days with min1239200630
-40 C (-40 F): Days with min7919992
20 C (68 F): Tropical nights (min1120181

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1998.

Download the Data

  • Data for Graphite Lake Alaska 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).