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Built 2026-10-18 (18 October 2026)

Malheur Refuge HQ Threshold Days by Year

15 fixed thresholds counted per year at Malheur Refuge HQ (USC00355162): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Malheur Refuge HQ Thresholds

  • Malheur Refuge HQ: days with 10 mm (0.39 in) or more of precipitation in 37 years, most in 1964 with 10.
  • Malheur Refuge HQ: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 1967 with 74.
  • Malheur Refuge HQ: days with a maximum temperature at or above 90 F (32.2 C) in 30 years, most in 1961 with 42.
  • Malheur Refuge HQ: days with a maximum temperature at or below 0 C (32 F) in 30 years, most in 1985 with 59.
  • 15 fixed thresholds have at least one qualifying day at Malheur Refuge HQ.
30 years with a qualifying day
Days at or above 30 C (86 F) per year at Malheur Refuge HQ Days per year at Malheur Refuge HQ with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 74 in 1967. 0204060801960: 501961: 631962: 361963: 391964: 391965: 191966: 441967: 741968: 501969: 471970: 661971: 451972: 461973: 561978: 301981: 561982: 291983: 221985: 171992: 411993: 101994: 511996: 402008: 222009: 462010: 192012: 282013: 322024: 542026: 101960196319661969197219811985199420092013
Days per year at Malheur Refuge HQ with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 74 in 1967.
Days at or above 30 C (86 F) per year at Malheur Refuge HQ
YearDaysDecade average
19605046.1
19616346.1
19623646.1
19633946.1
19643946.1
19651946.1
19664446.1
19677446.1
19685046.1
19694746.1
19706648.6
19714548.6
19724648.6
19735648.6
19783048.6
19815631
19822931
19832231
19851731
19924135.5
19931035.5
19945135.5
19964035.5
20082234
20094634
20101926.3
20122826.3
20133226.3
20245432
20261032
First to last qualifying date each year at Malheur Refuge HQ For each year, a bar from the first to the last day at Malheur Refuge HQ meeting 30 C (86 F). 1960: 13 June 1960 to 26 September 19601961: 25 May 1961 to 28 August 19611962: 19 June 1962 to 25 September 19621963: 18 June 1963 to 2 October 19631964: 24 June 1964 to 7 October 19641965: 6 July 1965 to 9 October 19651966: 4 May 1966 to 23 September 19661967: 21 May 1967 to 29 September 19671968: 1 June 1968 to 9 September 19681969: 4 June 1969 to 19 September 19691970: 16 May 1970 to 1 September 19701971: 22 June 1971 to 10 September 19711972: 29 May 1972 to 4 September 19721973: 14 May 1973 to 13 September 19731978: 8 June 1978 to 26 September 19781981: 22 June 1981 to 19 September 19811982: 19 June 1982 to 9 September 19821983: 28 May 1983 to 31 August 19831985: 19 June 1985 to 30 August 19851992: 6 May 1992 to 1 October 19921993: 11 May 1993 to 10 September 19931994: 20 June 1994 to 27 September 19941996: 7 June 1996 to 9 October 19962008: 16 May 2008 to 27 August 20082009: 16 May 2009 to 29 September 20092010: 9 July 2010 to 25 September 20102012: 7 July 2012 to 8 September 20122013: 12 May 2013 to 4 September 20132024: 6 June 2024 to 28 September 20242026: 10 May 2026 to 27 August 202619601964196819721982199320092024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Malheur Refuge HQ meeting 30 C (86 F).
First to last qualifying date each year at Malheur Refuge HQ
YearFirst dateLast date
19601960-06-131960-09-26
19611961-05-251961-08-28
19621962-06-191962-09-25
19631963-06-181963-10-02
19641964-06-241964-10-07
19651965-07-061965-10-09
19661966-05-041966-09-23
19671967-05-211967-09-29
19681968-06-011968-09-09
19691969-06-041969-09-19
19701970-05-161970-09-01
19711971-06-221971-09-10
19721972-05-291972-09-04
19731973-05-141973-09-13
19781978-06-081978-09-26
19811981-06-221981-09-19
19821982-06-191982-09-09
19831983-05-281983-08-31
19851985-06-191985-08-30
19921992-05-061992-10-01
19931993-05-111993-09-10
19941994-06-201994-09-27
19961996-06-071996-10-09
20082008-05-162008-08-27
20092009-05-162009-09-29
20102010-07-092010-09-25
20122012-07-072012-09-08
20132013-05-122013-09-04
20242024-06-062024-09-28
20262026-05-102026-08-27

Every Fixed Threshold

Fixed thresholds at Malheur Refuge HQ
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3074196710
35 C (95 F): Days2314202414
40 C (104 F): Days1119611
90 F (32.2 C): Days304219615
100 F (37.8 C): Days7319611
0 C (32 F): Ice days (max305919853
0 C (32 F): Frost days (min29201196492
-10 C (14 F): Days with min296419937
-20 C (-4 F): Days with min191519728
-30 C (-22 F): Days with min2319623
20 C (68 F): Tropical nights (min2220242
10 mm (0.39 in): Days with 10 mm or more rain371019641
25 mm (0.98 in): Days with 25 mm or more rain11420124
10 cm (3.9 in): Days with 10 cm or more snowfall24519812
25 cm (9.8 in): Days with 25 cm or more snowfall2119821

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.

Download the Data

  • Data for Malheur Refuge HQ 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-12).