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Built 2026-10-19 (19 October 2026)

Norman Wells A Threshold Days by Year (CA002202800)

13 fixed thresholds counted per year at Norman Wells A (CA002202800): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Norman Wells A Thresholds

  • Norman Wells A: days with a maximum temperature at or below 0 C (32 F) in 40 years, most in 1961 with 206.
  • Norman Wells A: nights with a minimum temperature at or below 0 C (32 F) in 40 years, most in 1947 with 261.
  • Norman Wells A: nights with a minimum temperature at or below -10 C (14 F) in 40 years, most in 1974 with 208.
  • Norman Wells A: nights with a minimum temperature at or below -20 C (-4 F) in 40 years, most in 1961 with 157.
  • 13 fixed thresholds have at least one qualifying day at Norman Wells A.
31 years with a qualifying day
Days at or above 30 C (86 F) per year at Norman Wells A Days per year at Norman Wells A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 10 in 1982. 0358101944: 11945: 11946: 51947: 21948: 51949: 31950: 31951: 51952: 21954: 11955: 31958: 11959: 11960: 11961: 11962: 21964: 11966: 21969: 31971: 21972: 11973: 41974: 21975: 61976: 21977: 21979: 31980: 11981: 11982: 101983: 419441948195219591964197219761981
Days per year at Norman Wells A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 10 in 1982.
Days at or above 30 C (86 F) per year at Norman Wells A
YearDaysDecade average
194412.8
194512.8
194652.8
194722.8
194852.8
194932.8
195032.3
195152.3
195222.3
195412.3
195532.3
195812.3
195912.3
196011.7
196111.7
196221.7
196411.7
196621.7
196931.7
197122.8
197212.8
197342.8
197422.8
197562.8
197622.8
197722.8
197932.8
198014
198114
1982104
198344
First to last qualifying date each year at Norman Wells A For each year, a bar from the first to the last day at Norman Wells A meeting 30 C (86 F). 1944: 19 July 1944 to 19 July 19441945: 13 August 1945 to 13 August 19451946: 17 June 1946 to 16 July 19461947: 18 July 1947 to 19 July 19471948: 28 May 1948 to 5 August 19481949: 11 July 1949 to 13 July 19491950: 16 June 1950 to 25 July 19501951: 9 July 1951 to 13 August 19511952: 13 July 1952 to 10 August 19521954: 3 July 1954 to 3 July 19541955: 23 June 1955 to 26 June 19551958: 5 July 1958 to 5 July 19581959: 11 July 1959 to 11 July 19591960: 17 July 1960 to 17 July 19601961: 6 July 1961 to 6 July 19611962: 20 July 1962 to 21 July 19621964: 9 July 1964 to 9 July 19641966: 13 July 1966 to 18 July 19661969: 13 June 1969 to 16 June 19691971: 26 July 1971 to 27 July 19711972: 24 June 1972 to 24 June 19721973: 26 July 1973 to 29 July 19731974: 15 June 1974 to 2 August 19741975: 30 June 1975 to 12 July 19751976: 29 July 1976 to 30 July 19761977: 19 June 1977 to 20 June 19771979: 10 July 1979 to 16 August 19791980: 27 July 1980 to 27 July 19801981: 25 July 1981 to 25 July 19811982: 13 June 1982 to 7 July 19821983: 27 June 1983 to 30 June 198319441948195219591964197219761981JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Norman Wells A meeting 30 C (86 F).
First to last qualifying date each year at Norman Wells A
YearFirst dateLast date
19441944-07-191944-07-19
19451945-08-131945-08-13
19461946-06-171946-07-16
19471947-07-181947-07-19
19481948-05-281948-08-05
19491949-07-111949-07-13
19501950-06-161950-07-25
19511951-07-091951-08-13
19521952-07-131952-08-10
19541954-07-031954-07-03
19551955-06-231955-06-26
19581958-07-051958-07-05
19591959-07-111959-07-11
19601960-07-171960-07-17
19611961-07-061961-07-06
19621962-07-201962-07-21
19641964-07-091964-07-09
19661966-07-131966-07-18
19691969-06-131969-06-16
19711971-07-261971-07-27
19721972-06-241972-06-24
19731973-07-261973-07-29
19741974-06-151974-08-02
19751975-06-301975-07-12
19761976-07-291976-07-30
19771977-06-191977-06-20
19791979-07-101979-08-16
19801980-07-271980-07-27
19811981-07-251981-07-25
19821982-06-131982-07-07
19831983-06-271983-06-30

Every Fixed Threshold

Fixed thresholds at Norman Wells A
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days311019824
90 F (32.2 C): Days5319751
0 C (32 F): Ice days (max402061961197
0 C (32 F): Frost days (min402611947241
-10 C (14 F): Days with min402081974188
-20 C (-4 F): Days with min401571961133
-30 C (-22 F): Days with min4088196660
-40 C (-40 F): Days with min3833196611
20 C (68 F): Tropical nights (min3119611
10 mm (0.39 in): Days with 10 mm or more rain401119811
25 mm (0.98 in): Days with 25 mm or more rain15319522
10 cm (3.9 in): Days with 10 cm or more snowfall22519721
25 cm (9.8 in): Days with 25 cm or more snowfall1119721

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

Download the Data

  • Data for Norman Wells A 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).