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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Deer Lake Threshold Days by Year (CA008401500)

14 fixed thresholds counted per year at Deer Lake (CA008401500): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Deer Lake Thresholds

  • Deer Lake: days with a maximum temperature at or below 0 C (32 F) in 45 years, most in 1959 with 103.
  • Deer Lake: nights with a minimum temperature at or below 0 C (32 F) in 44 years, most in 1972 with 214.
  • Deer Lake: nights with a minimum temperature at or below -10 C (14 F) in 44 years, most in 1972 with 97.
  • Deer Lake: nights with a minimum temperature at or below -20 C (-4 F) in 44 years, most in 1934 with 31.
  • 14 fixed thresholds have at least one qualifying day at Deer Lake.
20 years with a qualifying day
Days at or above 30 C (86 F) per year at Deer Lake Days per year at Deer Lake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1952. 02461934: 11935: 11937: 21939: 11940: 21943: 11946: 11947: 41948: 11950: 11951: 21952: 51954: 11955: 11959: 11975: 41976: 11978: 11982: 11983: 11934193719401946194819511954195919761982
Days per year at Deer Lake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1952.
Days at or above 30 C (86 F) per year at Deer Lake
YearDaysDecade average
193411.3
193511.3
193721.3
193911.3
194021.8
194311.8
194611.8
194741.8
194811.8
195011.8
195121.8
195251.8
195411.8
195511.8
195911.8
197542
197612
197812
198211
198311
First to last qualifying date each year at Deer Lake For each year, a bar from the first to the last day at Deer Lake meeting 30 C (86 F). 1934: 14 July 1934 to 14 July 19341935: 4 June 1935 to 4 June 19351937: 8 August 1937 to 9 August 19371939: 27 July 1939 to 27 July 19391940: 8 July 1940 to 9 July 19401943: 13 July 1943 to 13 July 19431946: 24 July 1946 to 24 July 19461947: 25 June 1947 to 31 July 19471948: 1 July 1948 to 1 July 19481950: 25 August 1950 to 25 August 19501951: 21 June 1951 to 9 July 19511952: 8 July 1952 to 24 July 19521954: 18 June 1954 to 18 June 19541955: 9 July 1955 to 9 July 19551959: 24 July 1959 to 24 July 19591975: 10 July 1975 to 12 August 19751976: 22 August 1976 to 22 August 19761978: 9 July 1978 to 9 July 19781982: 9 July 1982 to 9 July 19821983: 5 July 1983 to 5 July 19831934193919461950195419751982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Deer Lake meeting 30 C (86 F).
First to last qualifying date each year at Deer Lake
YearFirst dateLast date
19341934-07-141934-07-14
19351935-06-041935-06-04
19371937-08-081937-08-09
19391939-07-271939-07-27
19401940-07-081940-07-09
19431943-07-131943-07-13
19461946-07-241946-07-24
19471947-06-251947-07-31
19481948-07-011948-07-01
19501950-08-251950-08-25
19511951-06-211951-07-09
19521952-07-081952-07-24
19541954-06-181954-06-18
19551955-07-091955-07-09
19591959-07-241959-07-24
19751975-07-101975-08-12
19761976-08-221976-08-22
19781978-07-091978-07-09
19821982-07-091982-07-09
19831983-07-051983-07-05

Every Fixed Threshold

Fixed thresholds at Deer Lake
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days20519521
35 C (95 F): Days1219522
90 F (32.2 C): Days5319521
0 C (32 F): Ice days (max45103195976
0 C (32 F): Frost days (min442141972179
-10 C (14 F): Days with min4497197254
-20 C (-4 F): Days with min4431193412
-30 C (-22 F): Days with min14719382
20 C (68 F): Tropical nights (min7319751
10 mm (0.39 in): Days with 10 mm or more rain4448198245
25 mm (0.98 in): Days with 25 mm or more rain441319457
50 mm (1.97 in): Days with 50 mm or more rain14219551
10 cm (3.9 in): Days with 10 cm or more snowfall4418196214
25 cm (9.8 in): Days with 25 cm or more snowfall21319571

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 Deer Lake 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 (2025-12-31).