Daily records
Page built 2026-10-19
Data as of 2026-10-17
Search
Built 2026-10-19 (19 October 2026)

Glacier Threshold Days by Year (CA001173180)

14 fixed thresholds counted per year at Glacier (CA001173180): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Glacier Thresholds

  • Glacier: days with 10 cm (3.9 in) or more of snowfall in 51 years, most in 1911 with 59.
  • Glacier: days with 25 cm (9.8 in) or more of snowfall in 51 years, most in 1917 with 17.
  • Glacier: days with a maximum temperature at or below 0 C (32 F) in 49 years, most in 1913 with 135.
  • Glacier: nights with a minimum temperature at or below 0 C (32 F) in 48 years, most in 1929 with 252.
  • 14 fixed thresholds have at least one qualifying day at Glacier.
30 years with a qualifying day
Days at or above 30 C (86 F) per year at Glacier Days per year at Glacier with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 1924. 024681896: 11904: 21905: 11912: 11917: 61918: 31920: 11922: 41924: 81925: 81926: 41927: 21928: 61930: 11931: 11933: 61934: 21935: 31936: 41937: 11938: 21939: 11940: 21941: 51944: 21947: 81949: 21950: 51951: 31955: 21896191219201925192819331936193919441950
Days per year at Glacier with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 1924.
Days at or above 30 C (86 F) per year at Glacier
YearDaysDecade average
189611
190421.5
190511.5
191213.3
191763.3
191833.3
192014.7
192244.7
192484.7
192584.7
192644.7
192724.7
192864.7
193012.3
193112.3
193362.3
193422.3
193532.3
193642.3
193712.3
193822.3
193912.3
194023.8
194153.8
194423.8
194783.8
194923.8
195053.3
195133.3
195523.3
First to last qualifying date each year at Glacier For each year, a bar from the first to the last day at Glacier meeting 30 C (86 F). 1896: 10 July 1896 to 10 July 18961904: 3 July 1904 to 10 July 19041905: 26 July 1905 to 26 July 19051912: 25 June 1912 to 25 June 19121917: 11 July 1917 to 18 August 19171918: 17 July 1918 to 25 August 19181920: 16 July 1920 to 16 July 19201922: 8 July 1922 to 3 August 19221924: 1 July 1924 to 29 July 19241925: 26 June 1925 to 3 August 19251926: 3 July 1926 to 13 July 19261927: 24 July 1927 to 25 July 19271928: 24 July 1928 to 29 July 19281930: 9 August 1930 to 9 August 19301931: 21 July 1931 to 21 July 19311933: 25 July 1933 to 17 August 19331934: 28 July 1934 to 29 July 19341935: 14 July 1935 to 22 July 19351936: 23 June 1936 to 21 July 19361937: 29 June 1937 to 29 June 19371938: 16 July 1938 to 21 July 19381939: 27 July 1939 to 27 July 19391940: 12 July 1940 to 19 August 19401941: 14 July 1941 to 18 July 19411944: 18 July 1944 to 19 July 19441947: 16 July 1947 to 31 July 19471949: 10 July 1949 to 14 July 19491950: 14 June 1950 to 6 July 19501951: 26 July 1951 to 1 August 19511955: 22 June 1955 to 17 July 195518961917192419281934193819441951JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Glacier meeting 30 C (86 F).
First to last qualifying date each year at Glacier
YearFirst dateLast date
18961896-07-101896-07-10
19041904-07-031904-07-10
19051905-07-261905-07-26
19121912-06-251912-06-25
19171917-07-111917-08-18
19181918-07-171918-08-25
19201920-07-161920-07-16
19221922-07-081922-08-03
19241924-07-011924-07-29
19251925-06-261925-08-03
19261926-07-031926-07-13
19271927-07-241927-07-25
19281928-07-241928-07-29
19301930-08-091930-08-09
19311931-07-211931-07-21
19331933-07-251933-08-17
19341934-07-281934-07-29
19351935-07-141935-07-22
19361936-06-231936-07-21
19371937-06-291937-06-29
19381938-07-161938-07-21
19391939-07-271939-07-27
19401940-07-121940-08-19
19411941-07-141941-07-18
19441944-07-181944-07-19
19471947-07-161947-07-31
19491949-07-101949-07-14
19501950-06-141950-07-06
19511951-07-261951-08-01
19551955-06-221955-07-17

Every Fixed Threshold

Fixed thresholds at Glacier
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days30819242
35 C (95 F): Days2119411
90 F (32.2 C): Days6319243
0 C (32 F): Ice days (max491351913117
0 C (32 F): Frost days (min482521929216
-10 C (14 F): Days with min4898192981
-20 C (-4 F): Days with min4835191619
-30 C (-22 F): Days with min20819091
10 mm (0.39 in): Days with 10 mm or more rain4877191266
25 mm (0.98 in): Days with 25 mm or more rain4823191710
50 mm (1.97 in): Days with 50 mm or more rain14519171
10 cm (3.9 in): Days with 10 cm or more snowfall5159191145
25 cm (9.8 in): Days with 25 cm or more snowfall511719179
50 cm (19.7 in): Days with 50 cm or more snowfall14519171

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.

Download the Data

  • Data for Glacier 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).