Built 2026-10-19 (19 October 2026)

Fort Macleod Threshold Days by Year (CA003032680)

17 fixed thresholds counted per year at Fort Macleod (CA003032680): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Fort Macleod Thresholds

  • Fort Macleod: days with a maximum temperature at or above 30 C (86 F) in 84 years, most in 1936 with 40.
  • Fort Macleod: days with a maximum temperature at or below 0 C (32 F) in 84 years, most in 1951 with 95.
  • Fort Macleod: nights with a minimum temperature at or below 0 C (32 F) in 84 years, most in 1906 with 212.
  • Fort Macleod: nights with a minimum temperature at or below -10 C (14 F) in 84 years, most in 1904 with 104.
  • 17 fixed thresholds have at least one qualifying day at Fort Macleod.
84 years with a qualifying day
Days at or above 30 C (86 F) per year at Fort Macleod Days per year at Fort Macleod with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 40 in 1936. 0102030401896: 291897: 281898: 231899: 131900: 131901: 141904: 171905: 241906: 211907: 11908: 191909: 141910: 191911: 31912: 141913: 121914: 241915: 161916: 91917: 161918: 241919: 311920: 341921: 221922: 211923: 141924: 171925: 231926: 191927: 51928: 151929: 291930: 331931: 281932: 271933: 311934: 281935: 151936: 401937: 211938: 311939: 341940: 281941: 221943: 241944: 281945: 231946: 191947: 201949: 231950: 181951: 61952: 141953: 161954: 71955: 171956: 191957: 61958: 161959: 141960: 221961: 301962: 61963: 121964: 51965: 71966: 81967: 331968: 91969: 171970: 281971: 271972: 101973: 191974: 121975: 131976: 61977: 61978: 101979: 141980: 71981: 221982: 151983: 141896190719161925193419441954196319721981
Days per year at Fort Macleod with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 40 in 1936.
Days at or above 30 C (86 F) per year at Fort Macleod
YearDaysDecade average
18962923.3
18972823.3
18982323.3
18991323.3
19001315.4
19011415.4
19041715.4
19052415.4
19062115.4
1907115.4
19081915.4
19091415.4
19101916.8
1911316.8
19121416.8
19131216.8
19142416.8
19151616.8
1916916.8
19171616.8
19182416.8
19193116.8
19203419.9
19212219.9
19222119.9
19231419.9
19241719.9
19252319.9
19261919.9
1927519.9
19281519.9
19292919.9
19303328.8
19312828.8
19322728.8
19333128.8
19342828.8
19351528.8
19364028.8
19372128.8
19383128.8
19393428.8
19402823.4
19412223.4
19432423.4
19442823.4
19452323.4
19461923.4
19472023.4
19492323.4
19501813.3
1951613.3
19521413.3
19531613.3
1954713.3
19551713.3
19561913.3
1957613.3
19581613.3
19591413.3
19602214.9
19613014.9
1962614.9
19631214.9
1964514.9
1965714.9
1966814.9
19673314.9
1968914.9
19691714.9
19702814.5
19712714.5
19721014.5
19731914.5
19741214.5
19751314.5
1976614.5
1977614.5
19781014.5
19791414.5
1980714.5
19812214.5
19821514.5
19831414.5
First to last qualifying date each year at Fort Macleod For each year, a bar from the first to the last day at Fort Macleod meeting 30 C (86 F). 1896: 20 June 1896 to 6 September 18961897: 14 May 1897 to 25 August 18971898: 4 July 1898 to 21 August 18981899: 8 July 1899 to 21 July 18991900: 20 June 1900 to 20 August 19001901: 16 July 1901 to 30 August 19011904: 30 June 1904 to 15 August 19041905: 1 June 1905 to 28 August 19051906: 4 July 1906 to 18 August 19061907: 25 August 1907 to 25 August 19071908: 26 June 1908 to 14 September 19081909: 16 June 1909 to 8 September 19091910: 20 April 1910 to 21 August 19101911: 6 May 1911 to 26 July 19111912: 9 June 1912 to 23 August 19121913: 10 June 1913 to 9 September 19131914: 2 June 1914 to 4 September 19141915: 22 July 1915 to 30 August 19151916: 16 June 1916 to 8 August 19161917: 3 July 1917 to 3 August 19171918: 10 June 1918 to 13 September 19181919: 20 May 1919 to 1 September 19191920: 30 June 1920 to 25 August 19201921: 23 June 1921 to 30 August 19211922: 26 May 1922 to 25 September 19221923: 11 June 1923 to 15 September 19231924: 15 May 1924 to 5 September 19241925: 21 June 1925 to 27 August 19251926: 27 June 1926 to 26 August 19261927: 9 July 1927 to 11 August 19271928: 22 May 1928 to 4 September 19281929: 2 July 1929 to 1 September 19291930: 8 June 1930 to 6 September 19301931: 14 May 1931 to 4 September 19311932: 14 June 1932 to 14 September 19321933: 4 June 1933 to 29 August 19331934: 15 May 1934 to 11 October 19341935: 22 June 1935 to 22 August 19351936: 14 May 1936 to 30 August 19361937: 21 June 1937 to 12 September 19371938: 22 June 1938 to 20 September 19381939: 29 April 1939 to 27 August 19391940: 11 May 1940 to 2 September 19401941: 12 May 1941 to 23 August 19411943: 3 July 1943 to 5 October 19431944: 12 June 1944 to 13 September 19441945: 22 June 1945 to 2 September 19451946: 12 July 1946 to 24 August 19461947: 3 July 1947 to 9 August 19471949: 11 May 1949 to 2 September 19491950: 20 June 1950 to 5 September 19501951: 13 July 1951 to 5 August 19511952: 4 July 1952 to 29 September 19521953: 10 July 1953 to 12 September 19531954: 4 July 1954 to 26 July 19541955: 14 July 1955 to 6 September 19551956: 19 May 1956 to 23 August 19561957: 10 July 1957 to 26 July 19571958: 28 May 1958 to 11 September 19581959: 12 June 1959 to 2 August 19591960: 6 July 1960 to 3 September 19601961: 3 June 1961 to 24 August 19611962: 24 June 1962 to 16 August 19621963: 18 June 1963 to 8 September 19631964: 11 July 1964 to 18 August 19641965: 11 June 1965 to 11 August 19651966: 26 May 1966 to 6 September 19661967: 3 July 1967 to 27 September 19671968: 19 June 1968 to 11 September 19681969: 4 June 1969 to 12 September 19691970: 2 June 1970 to 31 August 19701971: 15 July 1971 to 27 August 19711972: 30 May 1972 to 28 August 19721973: 22 June 1973 to 6 September 19731974: 16 June 1974 to 5 August 19741975: 4 July 1975 to 15 September 19751976: 16 July 1976 to 1 September 19761977: 6 June 1977 to 22 July 19771978: 28 June 1978 to 3 September 19781979: 11 June 1979 to 15 September 19791980: 8 July 1980 to 6 September 19801981: 30 June 1981 to 18 September 19811982: 19 June 1982 to 3 September 19821983: 5 July 1983 to 31 August 198318961909192019311943195519661977JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Fort Macleod meeting 30 C (86 F).
First to last qualifying date each year at Fort Macleod
YearFirst dateLast date
18961896-06-201896-09-06
18971897-05-141897-08-25
18981898-07-041898-08-21
18991899-07-081899-07-21
19001900-06-201900-08-20
19011901-07-161901-08-30
19041904-06-301904-08-15
19051905-06-011905-08-28
19061906-07-041906-08-18
19071907-08-251907-08-25
19081908-06-261908-09-14
19091909-06-161909-09-08
19101910-04-201910-08-21
19111911-05-061911-07-26
19121912-06-091912-08-23
19131913-06-101913-09-09
19141914-06-021914-09-04
19151915-07-221915-08-30
19161916-06-161916-08-08
19171917-07-031917-08-03
19181918-06-101918-09-13
19191919-05-201919-09-01
19201920-06-301920-08-25
19211921-06-231921-08-30
19221922-05-261922-09-25
19231923-06-111923-09-15
19241924-05-151924-09-05
19251925-06-211925-08-27
19261926-06-271926-08-26
19271927-07-091927-08-11
19281928-05-221928-09-04
19291929-07-021929-09-01
19301930-06-081930-09-06
19311931-05-141931-09-04
19321932-06-141932-09-14
19331933-06-041933-08-29
19341934-05-151934-10-11
19351935-06-221935-08-22
19361936-05-141936-08-30
19371937-06-211937-09-12
19381938-06-221938-09-20
19391939-04-291939-08-27
19401940-05-111940-09-02
19411941-05-121941-08-23
19431943-07-031943-10-05
19441944-06-121944-09-13
19451945-06-221945-09-02
19461946-07-121946-08-24
19471947-07-031947-08-09
19491949-05-111949-09-02
19501950-06-201950-09-05
19511951-07-131951-08-05
19521952-07-041952-09-29
19531953-07-101953-09-12
19541954-07-041954-07-26
19551955-07-141955-09-06
19561956-05-191956-08-23
19571957-07-101957-07-26
19581958-05-281958-09-11
19591959-06-121959-08-02
19601960-07-061960-09-03
19611961-06-031961-08-24
19621962-06-241962-08-16
19631963-06-181963-09-08
19641964-07-111964-08-18
19651965-06-111965-08-11
19661966-05-261966-09-06
19671967-07-031967-09-27
19681968-06-191968-09-11
19691969-06-041969-09-12
19701970-06-021970-08-31
19711971-07-151971-08-27
19721972-05-301972-08-28
19731973-06-221973-09-06
19741974-06-161974-08-05
19751975-07-041975-09-15
19761976-07-161976-09-01
19771977-06-061977-07-22
19781978-06-281978-09-03
19791979-06-111979-09-15
19801980-07-081980-09-06
19811981-06-301981-09-18
19821982-06-191982-09-03
19831983-07-051983-08-31

Every Fixed Threshold

Fixed thresholds at Fort Macleod
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days8440193614
35 C (95 F): Days47918963
90 F (32.2 C): Days822619367
100 F (37.8 C): Days9319191
0 C (32 F): Ice days (max8495195161
0 C (32 F): Frost days (min842121906185
-10 C (14 F): Days with min84104190460
-20 C (-4 F): Days with min8458193626
-30 C (-22 F): Days with min782919168
-40 C (-40 F): Days with min23419691
20 C (68 F): Tropical nights (min10419201
10 mm (0.39 in): Days with 10 mm or more rain832319459
25 mm (0.98 in): Days with 25 mm or more rain72719142
50 mm (1.97 in): Days with 50 mm or more rain20319161
10 cm (3.9 in): Days with 10 cm or more snowfall721219671
25 cm (9.8 in): Days with 25 cm or more snowfall18419461
50 cm (19.7 in): Days with 50 cm or more snowfall2119221

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 Fort Macleod 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).