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Built 2026-10-19 (19 October 2026)

Gulkana AP Threshold Days by Year (USW00026425)

13 fixed thresholds counted per year at Gulkana AP (USW00026425): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Gulkana AP Thresholds

  • Gulkana AP: nights with a minimum temperature at or below 0 C (32 F) in 82 years, most in 2000 with 261.
  • Gulkana AP: nights with a minimum temperature at or below -10 C (14 F) in 82 years, most in 1972 with 188.
  • Gulkana AP: nights with a minimum temperature at or below -20 C (-4 F) in 82 years, most in 1966 with 125.
  • Gulkana AP: nights with a minimum temperature at or below -30 C (-22 F) in 82 years, most in 1971 with 56.
  • 13 fixed thresholds have at least one qualifying day at Gulkana AP.
20 years with a qualifying day
Days at or above 30 C (86 F) per year at Gulkana AP Days per year at Gulkana AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 7 in 2019. 024681947: 11951: 51953: 51955: 21956: 11957: 21958: 21969: 21975: 21976: 11977: 11978: 21991: 11994: 12004: 62005: 12009: 12013: 42015: 12019: 71947195319561958197519771991200420092015
Days per year at Gulkana AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 7 in 2019.
Days at or above 30 C (86 F) per year at Gulkana AP
YearDaysDecade average
194711
195152.8
195352.8
195522.8
195612.8
195722.8
195822.8
196922
197521.5
197611.5
197711.5
197821.5
199111
199411
200462.7
200512.7
200912.7
201344
201514
201974
First to last qualifying date each year at Gulkana AP For each year, a bar from the first to the last day at Gulkana AP meeting 30 C (86 F). 1947: 21 July 1947 to 21 July 19471951: 8 July 1951 to 12 July 19511953: 26 June 1953 to 28 July 19531955: 25 July 1955 to 26 July 19551956: 15 July 1956 to 15 July 19561957: 6 June 1957 to 9 June 19571958: 3 July 1958 to 4 July 19581969: 14 June 1969 to 15 June 19691975: 9 July 1975 to 10 July 19751976: 1 August 1976 to 1 August 19761977: 21 August 1977 to 21 August 19771978: 31 July 1978 to 1 August 19781991: 22 June 1991 to 22 June 19911994: 6 August 1994 to 6 August 19942004: 19 June 2004 to 26 June 20042005: 12 August 2005 to 12 August 20052009: 8 July 2009 to 8 July 20092013: 16 June 2013 to 26 June 20132015: 6 July 2015 to 6 July 20152019: 28 June 2019 to 7 July 20191947195519581976199120052015JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Gulkana AP meeting 30 C (86 F).
First to last qualifying date each year at Gulkana AP
YearFirst dateLast date
19471947-07-211947-07-21
19511951-07-081951-07-12
19531953-06-261953-07-28
19551955-07-251955-07-26
19561956-07-151956-07-15
19571957-06-061957-06-09
19581958-07-031958-07-04
19691969-06-141969-06-15
19751975-07-091975-07-10
19761976-08-011976-08-01
19771977-08-211977-08-21
19781978-07-311978-08-01
19911991-06-221991-06-22
19941994-08-061994-08-06
20042004-06-192004-06-26
20052005-08-122005-08-12
20092009-07-082009-07-08
20132013-06-162013-06-26
20152015-07-062015-07-06
20192019-06-282019-07-07

Every Fixed Threshold

Fixed thresholds at Gulkana AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days20720197
90 F (32.2 C): Days3219692
0 C (32 F): Ice days (max81173197288
0 C (32 F): Frost days (min822612000147
-10 C (14 F): Days with min82188197294
-20 C (-4 F): Days with min82125196662
-30 C (-22 F): Days with min8256197123
-40 C (-40 F): Days with min651919726
10 mm (0.39 in): Days with 10 mm or more rain821720221
25 mm (0.98 in): Days with 25 mm or more rain33320222
50 mm (1.97 in): Days with 50 mm or more rain3119511
10 cm (3.9 in): Days with 10 cm or more snowfall44719761
25 cm (9.8 in): Days with 25 cm or more snowfall8319921

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1947.

Download the Data

  • Data for Gulkana AP 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 (2026-10-15).