Built 2026-10-19 (19 October 2026)

Regina Cda Threshold Days by Year (CA004016640)

18 fixed thresholds counted per year at Regina Cda (CA004016640): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Regina Cda Thresholds

  • Regina Cda: days with a maximum temperature at or above 30 C (86 F) in 47 years, most in 1936 with 42.
  • Regina Cda: days with a maximum temperature at or below 0 C (32 F) in 47 years, most in 1951 with 150.
  • Regina Cda: nights with a minimum temperature at or below 0 C (32 F) in 47 years, most in 1966 with 224.
  • Regina Cda: nights with a minimum temperature at or below -10 C (14 F) in 47 years, most in 1935 with 150.
  • 18 fixed thresholds have at least one qualifying day at Regina Cda.
47 years with a qualifying day
Days at or above 30 C (86 F) per year at Regina Cda Days per year at Regina Cda with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 42 in 1936. 02040601934: 311935: 151936: 421937: 381938: 241939: 291940: 291941: 191942: 71943: 161944: 121946: 181947: 201948: 211949: 261950: 131951: 111952: 121953: 91954: 81955: 161956: 71957: 161958: 201959: 191960: 211961: 411964: 181965: 161966: 201967: 311968: 121969: 241970: 271971: 211972: 161973: 241974: 161975: 191976: 141977: 91978: 211979: 241980: 221981: 221982: 101983: 301934193919441950195519601967197219771982
Days per year at Regina Cda with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 42 in 1936.
Days at or above 30 C (86 F) per year at Regina Cda
YearDaysDecade average
19343129.8
19351529.8
19364229.8
19373829.8
19382429.8
19392929.8
19402918.7
19411918.7
1942718.7
19431618.7
19441218.7
19461818.7
19472018.7
19482118.7
19492618.7
19501313.1
19511113.1
19521213.1
1953913.1
1954813.1
19551613.1
1956713.1
19571613.1
19582013.1
19591913.1
19602122.9
19614122.9
19641822.9
19651622.9
19662022.9
19673122.9
19681222.9
19692422.9
19702719.1
19712119.1
19721619.1
19732419.1
19741619.1
19751919.1
19761419.1
1977919.1
19782119.1
19792419.1
19802221
19812221
19821021
19833021
First to last qualifying date each year at Regina Cda For each year, a bar from the first to the last day at Regina Cda meeting 30 C (86 F). 1934: 8 May 1934 to 12 October 19341935: 3 July 1935 to 9 September 19351936: 15 May 1936 to 3 September 19361937: 14 June 1937 to 20 September 19371938: 27 May 1938 to 24 September 19381939: 29 April 1939 to 17 September 19391940: 11 May 1940 to 4 September 19401941: 24 May 1941 to 18 September 19411942: 15 July 1942 to 9 September 19421943: 3 July 1943 to 3 October 19431944: 29 May 1944 to 7 September 19441946: 27 May 1946 to 15 September 19461947: 2 July 1947 to 9 August 19471948: 18 May 1948 to 10 September 19481949: 28 April 1949 to 24 September 19491950: 4 June 1950 to 25 September 19501951: 23 May 1951 to 22 August 19511952: 26 April 1952 to 26 September 19521953: 6 May 1953 to 21 August 19531954: 5 July 1954 to 30 August 19541955: 29 June 1955 to 2 September 19551956: 1 June 1956 to 26 September 19561957: 30 May 1957 to 2 October 19571958: 11 May 1958 to 17 August 19581959: 3 June 1959 to 24 August 19591960: 12 May 1960 to 4 September 19601961: 29 May 1961 to 16 September 19611964: 17 May 1964 to 13 October 19641965: 10 June 1965 to 23 August 19651966: 21 May 1966 to 11 September 19661967: 2 June 1967 to 28 September 19671968: 2 June 1968 to 11 September 19681969: 26 May 1969 to 13 September 19691970: 3 June 1970 to 4 September 19701971: 13 May 1971 to 11 September 19711972: 17 May 1972 to 30 August 19721973: 13 June 1973 to 29 September 19731974: 19 June 1974 to 6 August 19741975: 24 June 1975 to 16 September 19751976: 9 June 1976 to 11 September 19761977: 10 May 1977 to 22 July 19771978: 15 May 1978 to 10 September 19781979: 12 June 1979 to 16 September 19791980: 20 April 1980 to 7 September 19801981: 20 May 1981 to 18 September 19811982: 22 June 1982 to 9 September 19821983: 9 June 1983 to 26 September 198319341940194719531959196719731979JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Regina Cda meeting 30 C (86 F).
First to last qualifying date each year at Regina Cda
YearFirst dateLast date
19341934-05-081934-10-12
19351935-07-031935-09-09
19361936-05-151936-09-03
19371937-06-141937-09-20
19381938-05-271938-09-24
19391939-04-291939-09-17
19401940-05-111940-09-04
19411941-05-241941-09-18
19421942-07-151942-09-09
19431943-07-031943-10-03
19441944-05-291944-09-07
19461946-05-271946-09-15
19471947-07-021947-08-09
19481948-05-181948-09-10
19491949-04-281949-09-24
19501950-06-041950-09-25
19511951-05-231951-08-22
19521952-04-261952-09-26
19531953-05-061953-08-21
19541954-07-051954-08-30
19551955-06-291955-09-02
19561956-06-011956-09-26
19571957-05-301957-10-02
19581958-05-111958-08-17
19591959-06-031959-08-24
19601960-05-121960-09-04
19611961-05-291961-09-16
19641964-05-171964-10-13
19651965-06-101965-08-23
19661966-05-211966-09-11
19671967-06-021967-09-28
19681968-06-021968-09-11
19691969-05-261969-09-13
19701970-06-031970-09-04
19711971-05-131971-09-11
19721972-05-171972-08-30
19731973-06-131973-09-29
19741974-06-191974-08-06
19751975-06-241975-09-16
19761976-06-091976-09-11
19771977-05-101977-07-22
19781978-05-151978-09-10
19791979-06-121979-09-16
19801980-04-201980-09-07
19811981-05-201981-09-18
19821982-06-221982-09-09
19831983-06-091983-09-26

Every Fixed Threshold

Fixed thresholds at Regina Cda
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4742193630
35 C (95 F): Days39919364
40 C (104 F): Days3219492
90 F (32.2 C): Days462919618
100 F (37.8 C): Days10419371
110 F (43.3 C): Days1119371
0 C (32 F): Ice days (max471501951118
0 C (32 F): Frost days (min472241966204
-10 C (14 F): Days with min471501935101
-20 C (-4 F): Days with min4785195142
-30 C (-22 F): Days with min4734193617
-40 C (-40 F): Days with min25719372
20 C (68 F): Tropical nights (min13219361
10 mm (0.39 in): Days with 10 mm or more rain461519549
25 mm (0.98 in): Days with 25 mm or more rain36619543
50 mm (1.97 in): Days with 50 mm or more rain4119421
100 mm (3.94 in): Days with 100 mm or more rain1119641
10 cm (3.9 in): Days with 10 cm or more snowfall22319612

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1934.

Download the Data

  • Data for Regina Cda 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).