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Data as of 2026-10-15
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Built 2026-10-17 (17 October 2026)

Circle Hot Springs Threshold Days by Year

12 fixed thresholds counted per year at Circle Hot Springs (USC00501987): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Circle Hot Springs Thresholds

  • Circle Hot Springs: nights with a minimum temperature at or below 0 C (32 F) in 49 years, most in 2019 with 267.
  • Circle Hot Springs: nights with a minimum temperature at or below -10 C (14 F) in 49 years, most in 1958 with 196.
  • Circle Hot Springs: nights with a minimum temperature at or below -20 C (-4 F) in 49 years, most in 2012 with 158.
  • Circle Hot Springs: nights with a minimum temperature at or below -30 C (-22 F) in 49 years, most in 2012 with 102.
  • 12 fixed thresholds have at least one qualifying day at Circle Hot Springs.
24 years with a qualifying day
Days at or above 30 C (86 F) per year at Circle Hot Springs Days per year at Circle Hot Springs with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 6 in 2013. 02461936: 51942: 11946: 21947: 11948: 11950: 11951: 21953: 51955: 51957: 11958: 41960: 21967: 11969: 22003: 22010: 12013: 62015: 12016: 22018: 32019: 12023: 12024: 52025: 119361947195119571967201020162023
Days per year at Circle Hot Springs with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 6 in 2013.
Days at or above 30 C (86 F) per year at Circle Hot Springs
YearDaysDecade average
193655
194211.3
194621.3
194711.3
194811.3
195013
195123
195353
195553
195713
195843
196021.7
196711.7
196921.7
200322
201012.3
201362.3
201512.3
201622.3
201832.3
201912.3
202312.3
202452.3
202512.3
First to last qualifying date each year at Circle Hot Springs For each year, a bar from the first to the last day at Circle Hot Springs meeting 30 C (86 F). 1936: 3 July 1936 to 18 July 19361942: 24 June 1942 to 24 June 19421946: 11 July 1946 to 12 July 19461947: 16 July 1947 to 16 July 19471948: 18 July 1948 to 18 July 19481950: 18 June 1950 to 18 June 19501951: 16 July 1951 to 11 August 19511953: 24 July 1953 to 31 July 19531955: 22 July 1955 to 26 July 19551957: 16 August 1957 to 16 August 19571958: 20 June 1958 to 5 July 19581960: 24 May 1960 to 25 May 19601967: 18 June 1967 to 18 June 19671969: 15 June 1969 to 16 June 19692003: 2 July 2003 to 10 July 20032010: 5 August 2010 to 5 August 20102013: 21 June 2013 to 3 August 20132015: 16 June 2015 to 16 June 20152016: 15 July 2016 to 16 July 20162018: 24 July 2018 to 26 July 20182019: 30 June 2019 to 30 June 20192023: 4 July 2023 to 4 July 20232024: 28 June 2024 to 7 August 20242025: 20 June 2025 to 20 June 202519361947195119571967201020162023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Circle Hot Springs meeting 30 C (86 F).
First to last qualifying date each year at Circle Hot Springs
YearFirst dateLast date
19361936-07-031936-07-18
19421942-06-241942-06-24
19461946-07-111946-07-12
19471947-07-161947-07-16
19481948-07-181948-07-18
19501950-06-181950-06-18
19511951-07-161951-08-11
19531953-07-241953-07-31
19551955-07-221955-07-26
19571957-08-161957-08-16
19581958-06-201958-07-05
19601960-05-241960-05-25
19671967-06-181967-06-18
19691969-06-151969-06-16
20032003-07-022003-07-10
20102010-08-052010-08-05
20132013-06-212013-08-03
20152015-06-162015-06-16
20162016-07-152016-07-16
20182018-07-242018-07-26
20192019-06-302019-06-30
20232023-07-042023-07-04
20242024-06-282024-08-07
20252025-06-202025-06-20

Every Fixed Threshold

Fixed thresholds at Circle Hot Springs
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days24620131
90 F (32.2 C): Days7319551
0 C (32 F): Ice days (max471901961106
0 C (32 F): Frost days (min492672019172
-10 C (14 F): Days with min491961958109
-20 C (-4 F): Days with min49158201287
-30 C (-22 F): Days with min49102201254
-40 C (-40 F): Days with min4833195615
10 mm (0.39 in): Days with 10 mm or more rain461120116
25 mm (0.98 in): Days with 25 mm or more rain21320211
50 mm (1.97 in): Days with 50 mm or more rain2119551
10 cm (3.9 in): Days with 10 cm or more snowfall36519701

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.

Download the Data

  • Data for Circle Hot Springs 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-15).