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

Waterton Park HQ Threshold Days by Year (CA003057240)

6 fixed thresholds counted per year at Waterton Park HQ (CA003057240): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Waterton Park HQ Thresholds

  • Waterton Park HQ: days with 10 mm (0.39 in) or more of precipitation in 24 years, most in 1965 with 57.
  • Waterton Park HQ: days with 25 mm (0.98 in) or more of precipitation in 24 years, most in 1951 with 12.
  • Waterton Park HQ: days with 10 cm (3.9 in) or more of snowfall in 23 years, most in 1950 with 32.
  • Waterton Park HQ: days with 25 cm (9.8 in) or more of snowfall in 22 years, most in 1967 with 8.
  • 6 fixed thresholds have at least one qualifying day at Waterton Park HQ.
24 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Waterton Park HQ Days per year at Waterton Park HQ with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 57 in 1965. 02040601944: 331945: 481946: 471947: 311948: 411949: 321950: 451951: 491952: 191953: 401954: 401956: 301958: 451959: 411960: 241961: 481962: 281964: 261965: 571967: 421968: 331969: 281970: 381972: 3519441947195019531958196119651969
Days per year at Waterton Park HQ with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 57 in 1965.
Days with 10 mm (0.39 in) or more of precipitation per year at Waterton Park HQ
YearDaysDecade average
19443338.7
19454838.7
19464738.7
19473138.7
19484138.7
19493238.7
19504538.6
19514938.6
19521938.6
19534038.6
19544038.6
19563038.6
19584538.6
19594138.6
19602435.8
19614835.8
19622835.8
19642635.8
19655735.8
19674235.8
19683335.8
19692835.8
19703836.5
19723536.5
First to last qualifying date each year at Waterton Park HQ For each year, a bar from the first to the last day at Waterton Park HQ meeting 10 mm (0.39 in). 1944: 1 January 1944 to 19 December 19441945: 7 January 1945 to 11 December 19451946: 23 January 1946 to 26 December 19461947: 12 January 1947 to 29 December 19471948: 1 January 1948 to 31 December 19481949: 7 January 1949 to 27 December 19491950: 6 January 1950 to 30 December 19501951: 2 January 1951 to 29 December 19511952: 23 January 1952 to 10 December 19521953: 4 January 1953 to 31 December 19531954: 1 January 1954 to 28 December 19541956: 7 January 1956 to 10 December 19561958: 17 January 1958 to 31 December 19581959: 1 January 1959 to 31 December 19591960: 8 January 1960 to 18 December 19601961: 29 January 1961 to 24 December 19611962: 2 January 1962 to 28 December 19621964: 1 January 1964 to 26 December 19641965: 5 January 1965 to 31 December 19651967: 4 January 1967 to 29 December 19671968: 9 January 1968 to 26 December 19681969: 5 January 1969 to 21 December 19691970: 11 January 1970 to 5 December 19701972: 1 January 1972 to 28 December 197219441947195019531958196119651969JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Waterton Park HQ meeting 10 mm (0.39 in).
First to last qualifying date each year at Waterton Park HQ
YearFirst dateLast date
19441944-01-011944-12-19
19451945-01-071945-12-11
19461946-01-231946-12-26
19471947-01-121947-12-29
19481948-01-011948-12-31
19491949-01-071949-12-27
19501950-01-061950-12-30
19511951-01-021951-12-29
19521952-01-231952-12-10
19531953-01-041953-12-31
19541954-01-011954-12-28
19561956-01-071956-12-10
19581958-01-171958-12-31
19591959-01-011959-12-31
19601960-01-081960-12-18
19611961-01-291961-12-24
19621962-01-021962-12-28
19641964-01-011964-12-26
19651965-01-051965-12-31
19671967-01-041967-12-29
19681968-01-091968-12-26
19691969-01-051969-12-21
19701970-01-111970-12-05
19721972-01-011972-12-28

Every Fixed Threshold

Fixed thresholds at Waterton Park HQ
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2457196535
25 mm (0.98 in): Days with 25 mm or more rain2412195110
50 mm (1.97 in): Days with 50 mm or more rain9319511
10 cm (3.9 in): Days with 10 cm or more snowfall2332195020
25 cm (9.8 in): Days with 25 cm or more snowfall22819673
50 cm (19.7 in): Days with 50 cm or more snowfall5219591

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

Download the Data

  • Data for Waterton Park HQ 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).