Daily records
Page built 2026-10-19
Data as of 2026-10-17
Search
Built 2026-10-19 (19 October 2026)

Drumheller Threshold Days by Year (CA003022120)

15 fixed thresholds counted per year at Drumheller (CA003022120): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Drumheller Thresholds

  • Drumheller: days with 10 mm (0.39 in) or more of precipitation in 10 years, most in 1957 with 13.
  • Drumheller: days with a maximum temperature at or above 30 C (86 F) in 9 years, most in 1967 with 34.
  • Drumheller: days with a maximum temperature at or above 90 F (32.2 C) in 9 years, most in 1967 with 22.
  • Drumheller: days with a maximum temperature at or below 0 C (32 F) in 9 years, most in 1955 with 117.
  • 15 fixed thresholds have at least one qualifying day at Drumheller.
9 years with a qualifying day
Days at or above 30 C (86 F) per year at Drumheller Days per year at Drumheller with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 34 in 1967. 0102030401955: 221956: 231957: 141958: 291959: 161960: 241964: 151965: 221967: 34195519561957195819591960196419651967
Days per year at Drumheller with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 34 in 1967.
Days at or above 30 C (86 F) per year at Drumheller
YearDaysDecade average
19552220.8
19562320.8
19571420.8
19582920.8
19591620.8
19602423.8
19641523.8
19652223.8
19673423.8
First to last qualifying date each year at Drumheller For each year, a bar from the first to the last day at Drumheller meeting 30 C (86 F). 1955: 14 July 1955 to 5 September 19551956: 18 May 1956 to 22 August 19561957: 3 June 1957 to 30 July 19571958: 27 May 1958 to 12 September 19581959: 2 June 1959 to 3 August 19591960: 11 May 1960 to 9 September 19601964: 2 July 1964 to 18 August 19641965: 9 June 1965 to 23 August 19651967: 26 June 1967 to 27 September 196719551957195919641967JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Drumheller meeting 30 C (86 F).
First to last qualifying date each year at Drumheller
YearFirst dateLast date
19551955-07-141955-09-05
19561956-05-181956-08-22
19571957-06-031957-07-30
19581958-05-271958-09-12
19591959-06-021959-08-03
19601960-05-111960-09-09
19641964-07-021964-08-18
19651965-06-091965-08-23
19671967-06-261967-09-27

Every Fixed Threshold

Fixed thresholds at Drumheller
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days934196734
35 C (95 F): Days8519554
90 F (32.2 C): Days922196722
0 C (32 F): Ice days (max9117195583
0 C (32 F): Frost days (min82131956201
-10 C (14 F): Days with min8122196599
-20 C (-4 F): Days with min859196545
-30 C (-22 F): Days with min81519569
-40 C (-40 F): Days with min1219562
20 C (68 F): Tropical nights (min1119591
10 mm (0.39 in): Days with 10 mm or more rain101319571
25 mm (0.98 in): Days with 25 mm or more rain6419561
50 mm (1.97 in): Days with 50 mm or more rain10n/a1
10 cm (3.9 in): Days with 10 cm or more snowfall8319562
25 cm (9.8 in): Days with 25 cm or more snowfall1119571

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.

Download the Data

  • Data for Drumheller 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).