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Built 2026-10-19 (19 October 2026)

Mullan Pass Vor/Dme Threshold Days by Year (USW00024154)

14 fixed thresholds counted per year at Mullan Pass Vor/Dme (USW00024154): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mullan Pass Vor/Dme Thresholds

  • Mullan Pass Vor/Dme: days with a maximum temperature at or below 0 C (32 F) in 47 years, most in 1948 with 158.
  • Mullan Pass Vor/Dme: nights with a minimum temperature at or below 0 C (32 F) in 47 years, most in 1955 with 240.
  • Mullan Pass Vor/Dme: nights with a minimum temperature at or below -10 C (14 F) in 47 years, most in 1955 with 83.
  • Mullan Pass Vor/Dme: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 2012 with 57.
  • 14 fixed thresholds have at least one qualifying day at Mullan Pass Vor/Dme.
18 years with a qualifying day
Days at or above 30 C (86 F) per year at Mullan Pass Vor/Dme Days per year at Mullan Pass Vor/Dme with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1942. 02461941: 21942: 51953: 21955: 12002: 32003: 12007: 12008: 12015: 22017: 12018: 22020: 12021: 52022: 22023: 22024: 42025: 12026: 1194119532002200720152018202120232025
Days per year at Mullan Pass Vor/Dme with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1942.
Days at or above 30 C (86 F) per year at Mullan Pass Vor/Dme
YearDaysDecade average
194123.5
194253.5
195321.5
195511.5
200231.5
200311.5
200711.5
200811.5
201521.7
201711.7
201821.7
202012.3
202152.3
202222.3
202322.3
202442.3
202512.3
202612.3
First to last qualifying date each year at Mullan Pass Vor/Dme For each year, a bar from the first to the last day at Mullan Pass Vor/Dme meeting 30 C (86 F). 1941: 16 July 1941 to 17 July 19411942: 2 July 1942 to 19 August 19421953: 12 July 1953 to 19 August 19531955: 16 July 1955 to 16 July 19552002: 11 July 2002 to 13 July 20022003: 15 August 2003 to 15 August 20032007: 13 July 2007 to 13 July 20072008: 18 August 2008 to 18 August 20082015: 28 June 2015 to 13 August 20152017: 29 August 2017 to 29 August 20172018: 9 August 2018 to 10 August 20182020: 31 July 2020 to 31 July 20202021: 28 June 2021 to 31 July 20212022: 28 July 2022 to 18 August 20222023: 14 August 2023 to 15 August 20232024: 9 July 2024 to 21 July 20242025: 2 September 2025 to 2 September 20252026: 21 August 2026 to 21 August 2026194119552007201720212024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mullan Pass Vor/Dme meeting 30 C (86 F).
First to last qualifying date each year at Mullan Pass Vor/Dme
YearFirst dateLast date
19411941-07-161941-07-17
19421942-07-021942-08-19
19531953-07-121953-08-19
19551955-07-161955-07-16
20022002-07-112002-07-13
20032003-08-152003-08-15
20072007-07-132007-07-13
20082008-08-182008-08-18
20152015-06-282015-08-13
20172017-08-292017-08-29
20182018-08-092018-08-10
20202020-07-312020-07-31
20212021-06-282021-07-31
20222022-07-282022-08-18
20232023-08-142023-08-15
20242024-07-092024-07-21
20252025-09-022025-09-02
20262026-08-212026-08-21

Every Fixed Threshold

Fixed thresholds at Mullan Pass Vor/Dme
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days18519421
90 F (32.2 C): Days3220182
0 C (32 F): Ice days (max47158194858
0 C (32 F): Frost days (min472401955119
-10 C (14 F): Days with min4783195513
-20 C (-4 F): Days with min342119505
-30 C (-22 F): Days with min2219432
20 C (68 F): Tropical nights (min17420031
10 mm (0.39 in): Days with 10 mm or more rain4157201220
25 mm (0.98 in): Days with 25 mm or more rain401420124
50 mm (1.97 in): Days with 50 mm or more rain8320061
10 cm (3.9 in): Days with 10 cm or more snowfall1633194826
25 cm (9.8 in): Days with 25 cm or more snowfall11519424
50 cm (19.7 in): Days with 50 cm or more snowfall2119491

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

Download the Data

  • Data for Mullan Pass Vor/Dme 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).