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

Kootenay Nat Park Radium Threshold Days by Year (CA001154405)

12 fixed thresholds counted per year at Kootenay Nat Park Radium (CA001154405): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kootenay Nat Park Radium Thresholds

  • Kootenay Nat Park Radium: days with 10 mm (0.39 in) or more of precipitation in 14 years, most in 1956 with 30.
  • Kootenay Nat Park Radium: days with 10 cm (3.9 in) or more of snowfall in 14 years, most in 1955 with 12.
  • Kootenay Nat Park Radium: days with a maximum temperature at or above 30 C (86 F) in 12 years, most in 1956 with 28.
  • Kootenay Nat Park Radium: days with a maximum temperature at or below 0 C (32 F) in 12 years, most in 1960 with 104.
  • 12 fixed thresholds have at least one qualifying day at Kootenay Nat Park Radium.
12 years with a qualifying day
Days at or above 30 C (86 F) per year at Kootenay Nat Park Radium Days per year at Kootenay Nat Park Radium with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 28 in 1956. 01020301955: 261956: 281957: 31958: 11959: 121960: 201961: 181962: 81963: 51964: 41965: 51967: 20195519571959196119631965
Days per year at Kootenay Nat Park Radium with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 28 in 1956.
Days at or above 30 C (86 F) per year at Kootenay Nat Park Radium
YearDaysDecade average
19552614
19562814
1957314
1958114
19591214
19602011.4
19611811.4
1962811.4
1963511.4
1964411.4
1965511.4
19672011.4
First to last qualifying date each year at Kootenay Nat Park Radium For each year, a bar from the first to the last day at Kootenay Nat Park Radium meeting 30 C (86 F). 1955: 11 June 1955 to 5 September 19551956: 9 July 1956 to 23 August 19561957: 8 June 1957 to 25 July 19571958: 24 July 1958 to 24 July 19581959: 11 July 1959 to 1 August 19591960: 6 July 1960 to 11 August 19601961: 16 June 1961 to 15 August 19611962: 24 June 1962 to 1 August 19621963: 18 June 1963 to 11 August 19631964: 8 July 1964 to 12 August 19641965: 17 July 1965 to 2 August 19651967: 3 July 1967 to 1 September 1967195519571959196119631965JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Kootenay Nat Park Radium meeting 30 C (86 F).
First to last qualifying date each year at Kootenay Nat Park Radium
YearFirst dateLast date
19551955-06-111955-09-05
19561956-07-091956-08-23
19571957-06-081957-07-25
19581958-07-241958-07-24
19591959-07-111959-08-01
19601960-07-061960-08-11
19611961-06-161961-08-15
19621962-06-241962-08-01
19631963-06-181963-08-11
19641964-07-081964-08-12
19651965-07-171965-08-02
19671967-07-031967-09-01

Every Fixed Threshold

Fixed thresholds at Kootenay Nat Park Radium
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1228195620
35 C (95 F): Days2119551
90 F (32.2 C): Days91919566
0 C (32 F): Ice days (max12104196070
0 C (32 F): Frost days (min122191957176
-10 C (14 F): Days with min1286196051
-20 C (-4 F): Days with min122419554
-30 C (-22 F): Days with min6319572
10 mm (0.39 in): Days with 10 mm or more rain1430195610
25 mm (0.98 in): Days with 25 mm or more rain11419291
10 cm (3.9 in): Days with 10 cm or more snowfall141219552
25 cm (9.8 in): Days with 25 cm or more snowfall1119551

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 Kootenay Nat Park Radium 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).