Built 2026-10-19 (19 October 2026)

Salmon AP Threshold Days by Year (USC00108076)

14 fixed thresholds counted per year at Salmon AP (USC00108076): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Salmon AP Thresholds

  • Salmon AP: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1967 with 10.
  • Salmon AP: days with a maximum temperature at or above 30 C (86 F) in 50 years, most in 1936 with 73.
  • Salmon AP: days with a maximum temperature at or above 90 F (32.2 C) in 50 years, most in 1937 with 57.
  • Salmon AP: days with a maximum temperature at or below 0 C (32 F) in 50 years, most in 1906 with 65.
  • 14 fixed thresholds have at least one qualifying day at Salmon AP.
50 years with a qualifying day
Days at or above 30 C (86 F) per year at Salmon AP Days per year at Salmon AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 73 in 1936. 0204060801906: 521907: 131908: 431909: 521910: 611911: 281912: 291913: 461914: 451915: 411916: 481917: 691930: 721936: 731937: 731938: 581939: 481940: 651941: 351942: 531943: 441944: 551945: 621946: 521947: 591948: 501949: 481950: 501951: 411952: 601953: 621954: 461955: 591956: 511957: 661958: 561959: 551960: 591961: 651962: 381963: 371964: 371965: 251966: 551967: 662018: 442022: 572023: 422024: 472026: 511906191119161938194319481953195819632018
Days per year at Salmon AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 73 in 1936.
Days at or above 30 C (86 F) per year at Salmon AP
YearDaysDecade average
19065240
19071340
19084340
19095240
19106145.9
19112845.9
19122945.9
19134645.9
19144545.9
19154145.9
19164845.9
19176945.9
19307264.8
19367364.8
19377364.8
19385864.8
19394864.8
19406552.3
19413552.3
19425352.3
19434452.3
19445552.3
19456252.3
19465252.3
19475952.3
19485052.3
19494852.3
19505054.6
19514154.6
19526054.6
19536254.6
19544654.6
19555954.6
19565154.6
19576654.6
19585654.6
19595554.6
19605947.8
19616547.8
19623847.8
19633747.8
19643747.8
19652547.8
19665547.8
19676647.8
20184444
20225749.3
20234249.3
20244749.3
20265149.3
First to last qualifying date each year at Salmon AP For each year, a bar from the first to the last day at Salmon AP meeting 30 C (86 F). 1906: 11 June 1906 to 23 September 19061907: 2 July 1907 to 23 August 19071908: 24 June 1908 to 6 September 19081909: 1 June 1909 to 30 August 19091910: 19 April 1910 to 8 October 19101911: 13 June 1911 to 1 September 19111912: 20 June 1912 to 26 August 19121913: 25 May 1913 to 7 September 19131914: 30 May 1914 to 3 September 19141915: 24 June 1915 to 1 September 19151916: 15 June 1916 to 7 September 19161917: 14 May 1917 to 21 September 19171930: 27 May 1930 to 21 September 19301936: 18 April 1936 to 22 September 19361937: 21 June 1937 to 19 September 19371938: 5 June 1938 to 25 September 19381939: 28 April 1939 to 20 September 19391940: 10 May 1940 to 7 September 19401941: 11 May 1941 to 21 August 19411942: 30 June 1942 to 8 September 19421943: 27 May 1943 to 14 September 19431944: 13 May 1944 to 13 September 19441945: 3 May 1945 to 13 September 19451946: 25 April 1946 to 22 August 19461947: 2 May 1947 to 6 September 19471948: 17 May 1948 to 14 September 19481949: 11 May 1949 to 25 September 19491950: 26 May 1950 to 6 September 19501951: 22 May 1951 to 24 September 19511952: 25 April 1952 to 25 September 19521953: 11 June 1953 to 19 September 19531954: 9 May 1954 to 10 September 19541955: 10 June 1955 to 11 September 19551956: 17 May 1956 to 19 September 19561957: 3 June 1957 to 1 October 19571958: 10 May 1958 to 11 September 19581959: 5 June 1959 to 13 September 19591960: 10 May 1960 to 26 September 19601961: 23 May 1961 to 5 September 19611962: 19 April 1962 to 6 September 19621963: 18 June 1963 to 11 September 19631964: 19 May 1964 to 25 August 19641965: 10 June 1965 to 18 August 19651966: 5 May 1966 to 10 September 19661967: 21 May 1967 to 28 September 19672018: 13 June 2018 to 5 September 20182022: 16 June 2022 to 7 September 20222023: 1 May 2023 to 2 September 20232024: 6 June 2024 to 25 September 20242026: 12 May 2026 to 27 August 202619061913193719441951195819652026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Salmon AP meeting 30 C (86 F).
First to last qualifying date each year at Salmon AP
YearFirst dateLast date
19061906-06-111906-09-23
19071907-07-021907-08-23
19081908-06-241908-09-06
19091909-06-011909-08-30
19101910-04-191910-10-08
19111911-06-131911-09-01
19121912-06-201912-08-26
19131913-05-251913-09-07
19141914-05-301914-09-03
19151915-06-241915-09-01
19161916-06-151916-09-07
19171917-05-141917-09-21
19301930-05-271930-09-21
19361936-04-181936-09-22
19371937-06-211937-09-19
19381938-06-051938-09-25
19391939-04-281939-09-20
19401940-05-101940-09-07
19411941-05-111941-08-21
19421942-06-301942-09-08
19431943-05-271943-09-14
19441944-05-131944-09-13
19451945-05-031945-09-13
19461946-04-251946-08-22
19471947-05-021947-09-06
19481948-05-171948-09-14
19491949-05-111949-09-25
19501950-05-261950-09-06
19511951-05-221951-09-24
19521952-04-251952-09-25
19531953-06-111953-09-19
19541954-05-091954-09-10
19551955-06-101955-09-11
19561956-05-171956-09-19
19571957-06-031957-10-01
19581958-05-101958-09-11
19591959-06-051959-09-13
19601960-05-101960-09-26
19611961-05-231961-09-05
19621962-04-191962-09-06
19631963-06-181963-09-11
19641964-05-191964-08-25
19651965-06-101965-08-18
19661966-05-051966-09-10
19671967-05-211967-09-28
20182018-06-132018-09-05
20222022-06-162022-09-07
20232023-05-012023-09-02
20242024-06-062024-09-25
20262026-05-122026-08-27

Every Fixed Threshold

Fixed thresholds at Salmon AP
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5073193651
35 C (95 F): Days4827194510
40 C (104 F): Days3219362
90 F (32.2 C): Days5057193735
100 F (37.8 C): Days21719463
0 C (32 F): Ice days (max5065190611
0 C (32 F): Frost days (min492271937105
-10 C (14 F): Days with min4994195213
-20 C (-4 F): Days with min453319104
-30 C (-22 F): Days with min181219491
20 C (68 F): Tropical nights (min1120241
10 mm (0.39 in): Days with 10 mm or more rain571019674
25 mm (0.98 in): Days with 25 mm or more rain12219111
10 cm (3.9 in): Days with 10 cm or more snowfall6419101

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1906.

Download the Data

  • Data for Salmon 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 (2026-10-17).