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Built 2026-10-19 (19 October 2026)

Drumheller Andrew Threshold Days by Year (CA003022136)

5 fixed thresholds counted per year at Drumheller Andrew (CA003022136): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Drumheller Andrew Thresholds

  • Drumheller Andrew: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1954 with 17.
  • Drumheller Andrew: days with 10 cm (3.9 in) or more of snowfall in 22 years, most in 1954 with 6.
  • Drumheller Andrew: days with 25 mm (0.98 in) or more of precipitation in 17 years, most in 1956 with 5.
  • Drumheller Andrew: days with 25 cm (9.8 in) or more of snowfall in 3 years, most in 1954 with 1.
  • 5 fixed thresholds have at least one qualifying day at Drumheller Andrew.
25 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Drumheller Andrew Days per year at Drumheller Andrew with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1954. 051015201954: 171955: 121956: 121957: 121958: 131959: 121960: 41964: 111965: 111966: 151967: 21968: 121969: 111970: 111971: 81972: 121973: 111974: 61976: 61977: 81978: 121979: 61980: 91981: 81982: 10195419571960196619691972197619791982
Days per year at Drumheller Andrew with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1954.
Days with 10 mm (0.39 in) or more of precipitation per year at Drumheller Andrew
YearDaysDecade average
19541713
19551213
19561213
19571213
19581313
19591213
196049.4
1964119.4
1965119.4
1966159.4
196729.4
1968129.4
1969119.4
1970118.9
197188.9
1972128.9
1973118.9
197468.9
197668.9
197788.9
1978128.9
197968.9
198099
198189
1982109
First to last qualifying date each year at Drumheller Andrew For each year, a bar from the first to the last day at Drumheller Andrew meeting 10 mm (0.39 in). 1954: 1 January 1954 to 26 August 19541955: 29 March 1955 to 22 December 19551956: 27 January 1956 to 3 December 19561957: 9 March 1957 to 14 November 19571958: 5 March 1958 to 12 December 19581959: 15 April 1959 to 31 December 19591960: 23 April 1960 to 1 July 19601964: 20 March 1964 to 22 December 19641965: 30 May 1965 to 14 November 19651966: 16 February 1966 to 21 December 19661967: 16 March 1967 to 2 October 19671968: 2 April 1968 to 20 September 19681969: 29 April 1969 to 21 December 19691970: 1 March 1970 to 5 October 19701971: 29 January 1971 to 21 December 19711972: 28 February 1972 to 28 December 19721973: 4 February 1973 to 11 December 19731974: 25 January 1974 to 6 September 19741976: 5 June 1976 to 18 December 19761977: 27 January 1977 to 2 October 19771978: 15 May 1978 to 11 September 19781979: 30 June 1979 to 14 December 19791980: 23 May 1980 to 13 October 19801981: 23 March 1981 to 19 September 19811982: 31 March 1982 to 26 September 19821954195819651969197319781982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Drumheller Andrew meeting 10 mm (0.39 in).
First to last qualifying date each year at Drumheller Andrew
YearFirst dateLast date
19541954-01-011954-08-26
19551955-03-291955-12-22
19561956-01-271956-12-03
19571957-03-091957-11-14
19581958-03-051958-12-12
19591959-04-151959-12-31
19601960-04-231960-07-01
19641964-03-201964-12-22
19651965-05-301965-11-14
19661966-02-161966-12-21
19671967-03-161967-10-02
19681968-04-021968-09-20
19691969-04-291969-12-21
19701970-03-011970-10-05
19711971-01-291971-12-21
19721972-02-281972-12-28
19731973-02-041973-12-11
19741974-01-251974-09-06
19761976-06-051976-12-18
19771977-01-271977-10-02
19781978-05-151978-09-11
19791979-06-301979-12-14
19801980-05-231980-10-13
19811981-03-231981-09-19
19821982-03-311982-09-26

Every Fixed Threshold

Fixed thresholds at Drumheller Andrew
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2517195410
25 mm (0.98 in): Days with 25 mm or more rain17519563
50 mm (1.97 in): Days with 50 mm or more rain2119661
10 cm (3.9 in): Days with 10 cm or more snowfall22619541
25 cm (9.8 in): Days with 25 cm or more snowfall3119541

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1954.

Download the Data

  • Data for Drumheller Andrew 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).