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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Island Lake A Threshold Days by Year (CA005061376)

15 fixed thresholds counted per year at Island Lake A (CA005061376): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Island Lake A Thresholds

  • Island Lake A: days with a maximum temperature at or below 0 C (32 F) in 13 years, most in 1972 with 153.
  • Island Lake A: nights with a minimum temperature at or below 0 C (32 F) in 13 years, most in 1974 with 237.
  • Island Lake A: nights with a minimum temperature at or below -10 C (14 F) in 13 years, most in 1972 with 152.
  • Island Lake A: nights with a minimum temperature at or below -20 C (-4 F) in 13 years, most in 1972 with 110.
  • 15 fixed thresholds have at least one qualifying day at Island Lake A.
10 years with a qualifying day
Days at or above 30 C (86 F) per year at Island Lake A Days per year at Island Lake A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 6 in 1975. 02461971: 31972: 21973: 21974: 21975: 61976: 31977: 11979: 11981: 21983: 61971197219731974197519761977197919811983
Days per year at Island Lake A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 6 in 1975.
Days at or above 30 C (86 F) per year at Island Lake A
YearDaysDecade average
197132.5
197222.5
197322.5
197422.5
197562.5
197632.5
197712.5
197912.5
198124
198364
First to last qualifying date each year at Island Lake A For each year, a bar from the first to the last day at Island Lake A meeting 30 C (86 F). 1971: 5 August 1971 to 7 August 19711972: 22 May 1972 to 26 June 19721973: 24 June 1973 to 14 August 19731974: 25 June 1974 to 11 July 19741975: 25 June 1975 to 30 July 19751976: 2 July 1976 to 17 August 19761977: 26 May 1977 to 26 May 19771979: 5 July 1979 to 5 July 19791981: 1 July 1981 to 4 July 19811983: 11 June 1983 to 1 September 198319711973197519771981JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Island Lake A meeting 30 C (86 F).
First to last qualifying date each year at Island Lake A
YearFirst dateLast date
19711971-08-051971-08-07
19721972-05-221972-06-26
19731973-06-241973-08-14
19741974-06-251974-07-11
19751975-06-251975-07-30
19761976-07-021976-08-17
19771977-05-261977-05-26
19791979-07-051979-07-05
19811981-07-011981-07-04
19831983-06-111983-09-01

Every Fixed Threshold

Fixed thresholds at Island Lake A
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days10619756
35 C (95 F): Days1119751
90 F (32.2 C): Days3219752
0 C (32 F): Ice days (max131531972151
0 C (32 F): Frost days (min132371974213
-10 C (14 F): Days with min131521972134
-20 C (-4 F): Days with min13110197281
-30 C (-22 F): Days with min1363197233
-40 C (-40 F): Days with min11719741
20 C (68 F): Tropical nights (min6119741
10 mm (0.39 in): Days with 10 mm or more rain1322198322
25 mm (0.98 in): Days with 25 mm or more rain10419753
50 mm (1.97 in): Days with 50 mm or more rain3119721
10 cm (3.9 in): Days with 10 cm or more snowfall13819718
25 cm (9.8 in): Days with 25 cm or more snowfall3119711

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1971.

Download the Data

  • Data for Island Lake 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).