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

Summerside Cda Threshold Days by Year (CA008300600)

14 fixed thresholds counted per year at Summerside Cda (CA008300600): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Summerside Cda Thresholds

  • Summerside Cda: nights with a minimum temperature at or below 0 C (32 F) in 27 years, most in 1939 with 185.
  • Summerside Cda: nights with a minimum temperature at or below -10 C (14 F) in 27 years, most in 1939 with 78.
  • Summerside Cda: nights with a minimum temperature at or below -20 C (-4 F) in 27 years, most in 1948 with 18.
  • Summerside Cda: days with a maximum temperature at or below 0 C (32 F) in 26 years, most in 1941 with 99.
  • 14 fixed thresholds have at least one qualifying day at Summerside Cda.
12 years with a qualifying day
Days at or above 30 C (86 F) per year at Summerside Cda Days per year at Summerside Cda with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1944. 02461930: 11937: 21938: 11939: 21942: 11944: 51947: 11949: 41952: 31955: 21959: 11960: 2193019381942194719521959
Days per year at Summerside Cda with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1944.
Days at or above 30 C (86 F) per year at Summerside Cda
YearDaysDecade average
193011.5
193721.5
193811.5
193921.5
194212.8
194452.8
194712.8
194942.8
195232
195522
195912
196022
First to last qualifying date each year at Summerside Cda For each year, a bar from the first to the last day at Summerside Cda meeting 30 C (86 F). 1930: 15 June 1930 to 15 June 19301937: 8 August 1937 to 30 August 19371938: 1 August 1938 to 1 August 19381939: 26 July 1939 to 25 August 19391942: 1 September 1942 to 1 September 19421944: 12 August 1944 to 16 August 19441947: 14 August 1947 to 14 August 19471949: 29 July 1949 to 27 August 19491952: 8 July 1952 to 28 August 19521955: 8 July 1955 to 9 July 19551959: 28 July 1959 to 28 July 19591960: 18 August 1960 to 19 August 1960193019381942194719521959JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Summerside Cda meeting 30 C (86 F).
First to last qualifying date each year at Summerside Cda
YearFirst dateLast date
19301930-06-151930-06-15
19371937-08-081937-08-30
19381938-08-011938-08-01
19391939-07-261939-08-25
19421942-09-011942-09-01
19441944-08-121944-08-16
19471947-08-141947-08-14
19491949-07-291949-08-27
19521952-07-081952-08-28
19551955-07-081955-07-09
19591959-07-281959-07-28
19601960-08-181960-08-19

Every Fixed Threshold

Fixed thresholds at Summerside Cda
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days12519442
90 F (32.2 C): Days2119441
0 C (32 F): Ice days (max2699194184
0 C (32 F): Frost days (min271851939126
-10 C (14 F): Days with min2778193952
-20 C (-4 F): Days with min271819488
-30 C (-22 F): Days with min1219302
20 C (68 F): Tropical nights (min8519471
10 mm (0.39 in): Days with 10 mm or more rain2450195136
25 mm (0.98 in): Days with 25 mm or more rain241019408
50 mm (1.97 in): Days with 50 mm or more rain8219481
100 mm (3.94 in): Days with 100 mm or more rain1119421
10 cm (3.9 in): Days with 10 cm or more snowfall231119546
25 cm (9.8 in): Days with 25 cm or more snowfall15319601

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1930.

Download the Data

  • Data for Summerside 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 (2025-12-31).