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

Hollyburn Ridge Threshold Days by Year (CA001103510)

15 fixed thresholds counted per year at Hollyburn Ridge (CA001103510): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hollyburn Ridge Thresholds

  • Hollyburn Ridge: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1971 with 113.
  • Hollyburn Ridge: days with 25 mm (0.98 in) or more of precipitation in 27 years, most in 1972 with 48.
  • Hollyburn Ridge: days with 50 mm (1.97 in) or more of precipitation in 27 years, most in 1961 with 16.
  • Hollyburn Ridge: days with 10 cm (3.9 in) or more of snowfall in 27 years, most in 1971 with 54.
  • 15 fixed thresholds have at least one qualifying day at Hollyburn Ridge.
11 years with a qualifying day
Days at or above 30 C (86 F) per year at Hollyburn Ridge Days per year at Hollyburn Ridge with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 7 in 1971. 024681961: 61965: 41967: 11969: 21971: 71972: 11974: 31975: 21978: 11981: 51983: 2196119671971197419781983
Days per year at Hollyburn Ridge with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 7 in 1971.
Days at or above 30 C (86 F) per year at Hollyburn Ridge
YearDaysDecade average
196163.3
196543.3
196713.3
196923.3
197172.8
197212.8
197432.8
197522.8
197812.8
198153.5
198323.5
First to last qualifying date each year at Hollyburn Ridge For each year, a bar from the first to the last day at Hollyburn Ridge meeting 30 C (86 F). 1961: 17 June 1961 to 11 August 19611965: 29 July 1965 to 1 August 19651967: 30 August 1967 to 30 August 19671969: 17 June 1969 to 18 June 19691971: 18 July 1971 to 31 July 19711972: 7 August 1972 to 7 August 19721974: 28 August 1974 to 2 September 19741975: 4 July 1975 to 6 July 19751978: 8 August 1978 to 8 August 19781981: 7 August 1981 to 11 August 19811983: 28 May 1983 to 29 May 1983196119671971197419781983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hollyburn Ridge meeting 30 C (86 F).
First to last qualifying date each year at Hollyburn Ridge
YearFirst dateLast date
19611961-06-171961-08-11
19651965-07-291965-08-01
19671967-08-301967-08-30
19691969-06-171969-06-18
19711971-07-181971-07-31
19721972-08-071972-08-07
19741974-08-281974-09-02
19751975-07-041975-07-06
19781978-08-081978-08-08
19811981-08-071981-08-11
19831983-05-281983-05-29

Every Fixed Threshold

Fixed thresholds at Hollyburn Ridge
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days11719712
90 F (32.2 C): Days1119651
0 C (32 F): Ice days (max2169197131
0 C (32 F): Frost days (min211931982178
-10 C (14 F): Days with min2125197112
-20 C (-4 F): Days with min5419683
20 C (68 F): Tropical nights (min1419614
10 mm (0.39 in): Days with 10 mm or more rain27113197190
25 mm (0.98 in): Days with 25 mm or more rain2748197240
50 mm (1.97 in): Days with 50 mm or more rain2716196111
100 mm (3.94 in): Days with 100 mm or more rain17419614
200 mm (7.87 in): Days with 200 mm or more rain1119831
10 cm (3.9 in): Days with 10 cm or more snowfall2754197118
25 cm (9.8 in): Days with 25 cm or more snowfall271719714
50 cm (19.7 in): Days with 50 cm or more snowfall8319671

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.

Download the Data

  • Data for Hollyburn Ridge 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).