Built 2026-10-19 (19 October 2026)

Edmonton Namao A Threshold Days by Year (CA003012210)

13 fixed thresholds counted per year at Edmonton Namao A (CA003012210): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Edmonton Namao A Thresholds

  • Edmonton Namao A: days with a maximum temperature at or below 0 C (32 F) in 28 years, most in 1982 with 130.
  • Edmonton Namao A: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 1970 with 211.
  • Edmonton Namao A: nights with a minimum temperature at or below -10 C (14 F) in 28 years, most in 1966 with 125.
  • Edmonton Namao A: nights with a minimum temperature at or below -20 C (-4 F) in 28 years, most in 1965 with 61.
  • 13 fixed thresholds have at least one qualifying day at Edmonton Namao A.
21 years with a qualifying day
Days at or above 30 C (86 F) per year at Edmonton Namao A Days per year at Edmonton Namao A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 11 in 1961. 0510151956: 11958: 41959: 21960: 41961: 111963: 91964: 41965: 31967: 41968: 31969: 31970: 51971: 31973: 21975: 41977: 11978: 41979: 31981: 61982: 21983: 11956196019641968197119771981
Days per year at Edmonton Namao A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 11 in 1961.
Days at or above 30 C (86 F) per year at Edmonton Namao A
YearDaysDecade average
195612.3
195842.3
195922.3
196045.1
1961115.1
196395.1
196445.1
196535.1
196745.1
196835.1
196935.1
197053.1
197133.1
197323.1
197543.1
197713.1
197843.1
197933.1
198163
198223
198313
First to last qualifying date each year at Edmonton Namao A For each year, a bar from the first to the last day at Edmonton Namao A meeting 30 C (86 F). 1956: 20 July 1956 to 20 July 19561958: 18 July 1958 to 16 August 19581959: 12 July 1959 to 23 July 19591960: 7 July 1960 to 30 July 19601961: 2 June 1961 to 15 August 19611963: 3 July 1963 to 19 August 19631964: 8 July 1964 to 18 August 19641965: 11 June 1965 to 2 August 19651967: 18 August 1967 to 5 September 19671968: 4 July 1968 to 9 July 19681969: 17 June 1969 to 10 July 19691970: 2 June 1970 to 21 June 19701971: 1 August 1971 to 20 August 19711973: 22 June 1973 to 20 July 19731975: 3 July 1975 to 12 July 19751977: 7 June 1977 to 7 June 19771978: 4 June 1978 to 10 August 19781979: 29 June 1979 to 19 July 19791981: 3 July 1981 to 17 September 19811982: 20 June 1982 to 21 June 19821983: 10 August 1983 to 10 August 19831956196019641968197119771981JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Edmonton Namao A meeting 30 C (86 F).
First to last qualifying date each year at Edmonton Namao A
YearFirst dateLast date
19561956-07-201956-07-20
19581958-07-181958-08-16
19591959-07-121959-07-23
19601960-07-071960-07-30
19611961-06-021961-08-15
19631963-07-031963-08-19
19641964-07-081964-08-18
19651965-06-111965-08-02
19671967-08-181967-09-05
19681968-07-041968-07-09
19691969-06-171969-07-10
19701970-06-021970-06-21
19711971-08-011971-08-20
19731973-06-221973-07-20
19751975-07-031975-07-12
19771977-06-071977-06-07
19781978-06-041978-08-10
19791979-06-291979-07-19
19811981-07-031981-09-17
19821982-06-201982-06-21
19831983-08-101983-08-10

Every Fixed Threshold

Fixed thresholds at Edmonton Namao A
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days211119611
90 F (32.2 C): Days10519611
0 C (32 F): Ice days (max281301982117
0 C (32 F): Frost days (min282111970193
-10 C (14 F): Days with min28125196686
-20 C (-4 F): Days with min2861196527
-30 C (-22 F): Days with min282319695
-40 C (-40 F): Days with min4219721
20 C (68 F): Tropical nights (min1119591
10 mm (0.39 in): Days with 10 mm or more rain2814198010
25 mm (0.98 in): Days with 25 mm or more rain20419824
50 mm (1.97 in): Days with 50 mm or more rain7119581
10 cm (3.9 in): Days with 10 cm or more snowfall23419591

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1956.

Download the Data

  • Data for Edmonton Namao 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).