Built 2026-10-19 (19 October 2026)

West Poplar River Threshold Days by Year (CA004038740)

16 fixed thresholds counted per year at West Poplar River (CA004038740): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for West Poplar River Thresholds

  • West Poplar River: days with a maximum temperature at or above 30 C (86 F) in 24 years, most in 1961 with 43.
  • West Poplar River: days with a maximum temperature at or above 90 F (32.2 C) in 24 years, most in 1961 with 27.
  • West Poplar River: days with a maximum temperature at or below 0 C (32 F) in 24 years, most in 1978 with 119.
  • West Poplar River: days with 10 mm (0.39 in) or more of precipitation in 24 years, most in 1962 with 15.
  • 16 fixed thresholds have at least one qualifying day at West Poplar River.
24 years with a qualifying day
Days at or above 30 C (86 F) per year at West Poplar River Days per year at West Poplar River with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 43 in 1961. 02040601957: 221958: 281959: 221960: 271961: 431962: 71963: 191964: 211965: 101966: 211967: 291968: 191972: 121973: 231974: 161975: 161976: 101977: 161978: 161979: 171980: 181981: 261982: 141983: 3819571960196319661972197519781981
Days per year at West Poplar River with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 43 in 1961.
Days at or above 30 C (86 F) per year at West Poplar River
YearDaysDecade average
19572224
19582824
19592224
19602721.8
19614321.8
1962721.8
19631921.8
19642121.8
19651021.8
19662121.8
19672921.8
19681921.8
19721215.8
19732315.8
19741615.8
19751615.8
19761015.8
19771615.8
19781615.8
19791715.8
19801824
19812624
19821424
19833824
First to last qualifying date each year at West Poplar River For each year, a bar from the first to the last day at West Poplar River meeting 30 C (86 F). 1957: 6 July 1957 to 24 August 19571958: 11 May 1958 to 12 September 19581959: 3 June 1959 to 24 August 19591960: 12 May 1960 to 4 September 19601961: 29 May 1961 to 31 August 19611962: 26 June 1962 to 21 August 19621963: 8 July 1963 to 30 September 19631964: 17 May 1964 to 17 September 19641965: 18 July 1965 to 12 August 19651966: 28 June 1966 to 11 September 19661967: 27 June 1967 to 29 September 19671968: 2 June 1968 to 11 September 19681972: 17 May 1972 to 29 August 19721973: 13 June 1973 to 30 August 19731974: 17 June 1974 to 6 August 19741975: 24 June 1975 to 6 August 19751976: 17 July 1976 to 17 September 19761977: 9 May 1977 to 24 August 19771978: 15 May 1978 to 10 September 19781979: 12 June 1979 to 16 September 19791980: 20 April 1980 to 7 September 19801981: 26 June 1981 to 19 September 19811982: 22 June 1982 to 9 September 19821983: 10 June 1983 to 1 September 198319571960196319661972197519781981JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at West Poplar River meeting 30 C (86 F).
First to last qualifying date each year at West Poplar River
YearFirst dateLast date
19571957-07-061957-08-24
19581958-05-111958-09-12
19591959-06-031959-08-24
19601960-05-121960-09-04
19611961-05-291961-08-31
19621962-06-261962-08-21
19631963-07-081963-09-30
19641964-05-171964-09-17
19651965-07-181965-08-12
19661966-06-281966-09-11
19671967-06-271967-09-29
19681968-06-021968-09-11
19721972-05-171972-08-29
19731973-06-131973-08-30
19741974-06-171974-08-06
19751975-06-241975-08-06
19761976-07-171976-09-17
19771977-05-091977-08-24
19781978-05-151978-09-10
19791979-06-121979-09-16
19801980-04-201980-09-07
19811981-06-261981-09-19
19821982-06-221982-09-09
19831983-06-101983-09-01

Every Fixed Threshold

Fixed thresholds at West Poplar River
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2443196138
35 C (95 F): Days1810198310
40 C (104 F): Days1119831
90 F (32.2 C): Days2427196118
100 F (37.8 C): Days4219832
0 C (32 F): Ice days (max24119197894
0 C (32 F): Frost days (min232241965207
-10 C (14 F): Days with min23122197985
-20 C (-4 F): Days with min2372197830
-30 C (-22 F): Days with min2326197210
-40 C (-40 F): Days with min9419721
20 C (68 F): Tropical nights (min3319751
10 mm (0.39 in): Days with 10 mm or more rain2415196211
25 mm (0.98 in): Days with 25 mm or more rain20419741
10 cm (3.9 in): Days with 10 cm or more snowfall13619673
25 cm (9.8 in): Days with 25 cm or more snowfall3119721

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1957.

Download the Data

  • Data for West Poplar River 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).