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

Premier Threshold Days by Year (CA001066420)

13 fixed thresholds counted per year at Premier (CA001066420): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Premier Thresholds

  • Premier: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1939 with 105.
  • Premier: days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 1930 with 35.
  • Premier: days with 10 cm (3.9 in) or more of snowfall in 25 years, most in 1927 with 57.
  • Premier: days with 25 cm (9.8 in) or more of snowfall in 25 years, most in 1930 with 18.
  • 13 fixed thresholds have at least one qualifying day at Premier.
5 years with a qualifying day
Days at or above 30 C (86 F) per year at Premier Days per year at Premier with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 3 in 1941. 01231927: 11941: 31946: 11951: 21952: 119271941194619511952
Days per year at Premier with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 3 in 1941.
Days at or above 30 C (86 F) per year at Premier
YearDaysDecade average
192711
194132
194612
195121.5
195211.5
First to last qualifying date each year at Premier For each year, a bar from the first to the last day at Premier meeting 30 C (86 F). 1927: 1 August 1927 to 1 August 19271941: 15 July 1941 to 17 July 19411946: 28 August 1946 to 28 August 19461951: 10 July 1951 to 11 July 19511952: 11 August 1952 to 11 August 195219271941194619511952JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Premier meeting 30 C (86 F).
First to last qualifying date each year at Premier
YearFirst dateLast date
19271927-08-011927-08-01
19411941-07-151941-07-17
19461946-08-281946-08-28
19511951-07-101951-07-11
19521952-08-111952-08-11

Every Fixed Threshold

Fixed thresholds at Premier
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5319411
90 F (32.2 C): Days1219412
0 C (32 F): Ice days (max24112192753
0 C (32 F): Frost days (min241951951177
-10 C (14 F): Days with min2454193626
-20 C (-4 F): Days with min131219365
-30 C (-22 F): Days with min1119471
10 mm (0.39 in): Days with 10 mm or more rain25105193974
25 mm (0.98 in): Days with 25 mm or more rain2535193011
50 mm (1.97 in): Days with 50 mm or more rain21619301
10 cm (3.9 in): Days with 10 cm or more snowfall2557192733
25 cm (9.8 in): Days with 25 cm or more snowfall251819307
50 cm (19.7 in): Days with 50 cm or more snowfall16519321

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1927.

Download the Data

  • Data for Premier 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).