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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Truchas Threshold Days by Year

12 fixed thresholds counted per year at Truchas (USC00299113): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Truchas Thresholds

  • Truchas: nights with a minimum temperature at or below 0 C (32 F) in 40 years, most in 1941 with 205.
  • Truchas: nights with a minimum temperature at or below -10 C (14 F) in 40 years, most in 1948 with 118.
  • Truchas: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1941 with 29.
  • Truchas: days with a maximum temperature at or below 0 C (32 F) in 39 years, most in 1918 with 41.
  • 12 fixed thresholds have at least one qualifying day at Truchas.
28 years with a qualifying day
Days at or above 30 C (86 F) per year at Truchas Days per year at Truchas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 15 in 1958. 0510151910: 51911: 21913: 31918: 31919: 21923: 11924: 11925: 11927: 11929: 11930: 21931: 21934: 91935: 91936: 21937: 31939: 51940: 71941: 21943: 21950: 91952: 41954: 131955: 61957: 111958: 151959: 21960: 151910191819241929193419371941195219571960
Days per year at Truchas with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 15 in 1958.
Days at or above 30 C (86 F) per year at Truchas
YearDaysDecade average
191053
191123
191333
191833
191923
192311
192411
192511
192711
192911
193024.6
193124.6
193494.6
193594.6
193624.6
193734.6
193954.6
194073.7
194123.7
194323.7
195098.6
195248.6
1954138.6
195568.6
1957118.6
1958158.6
195928.6
19601515
First to last qualifying date each year at Truchas For each year, a bar from the first to the last day at Truchas meeting 30 C (86 F). 1910: 2 July 1910 to 27 July 19101911: 9 August 1911 to 10 August 19111913: 7 July 1913 to 14 August 19131918: 26 June 1918 to 28 June 19181919: 21 August 1919 to 22 August 19191923: 1 July 1923 to 1 July 19231924: 3 September 1924 to 3 September 19241925: 15 July 1925 to 15 July 19251927: 14 July 1927 to 14 July 19271929: 28 July 1929 to 28 July 19291930: 21 August 1930 to 22 August 19301931: 13 July 1931 to 22 July 19311934: 17 June 1934 to 20 July 19341935: 15 June 1935 to 31 July 19351936: 18 June 1936 to 19 June 19361937: 24 July 1937 to 10 August 19371939: 13 June 1939 to 20 July 19391940: 18 June 1940 to 25 July 19401941: 27 June 1941 to 4 August 19411943: 15 July 1943 to 28 July 19431950: 25 June 1950 to 31 August 19501952: 14 June 1952 to 31 August 19521954: 19 June 1954 to 3 August 19541955: 4 July 1955 to 17 September 19551957: 21 June 1957 to 31 July 19571958: 30 May 1958 to 9 September 19581959: 4 August 1959 to 30 August 19591960: 27 June 1960 to 5 September 19601910191919271934193919501957JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Truchas meeting 30 C (86 F).
First to last qualifying date each year at Truchas
YearFirst dateLast date
19101910-07-021910-07-27
19111911-08-091911-08-10
19131913-07-071913-08-14
19181918-06-261918-06-28
19191919-08-211919-08-22
19231923-07-011923-07-01
19241924-09-031924-09-03
19251925-07-151925-07-15
19271927-07-141927-07-14
19291929-07-281929-07-28
19301930-08-211930-08-22
19311931-07-131931-07-22
19341934-06-171934-07-20
19351935-06-151935-07-31
19361936-06-181936-06-19
19371937-07-241937-08-10
19391939-06-131939-07-20
19401940-06-181940-07-25
19411941-06-271941-08-04
19431943-07-151943-07-28
19501950-06-251950-08-31
19521952-06-141952-08-31
19541954-06-191954-08-03
19551955-07-041955-09-17
19571957-06-211957-07-31
19581958-05-301958-09-09
19591959-08-041959-08-30
19601960-06-271960-09-05

Every Fixed Threshold

Fixed thresholds at Truchas
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2815195815
35 C (95 F): Days3219581
90 F (32.2 C): Days9519581
0 C (32 F): Ice days (max3941191812
0 C (32 F): Frost days (min402051941171
-10 C (14 F): Days with min40118194831
-20 C (-4 F): Days with min231119133
10 mm (0.39 in): Days with 10 mm or more rain402919415
25 mm (0.98 in): Days with 25 mm or more rain26619296
50 mm (1.97 in): Days with 50 mm or more rain9419311
10 cm (3.9 in): Days with 10 cm or more snowfall381019414
25 cm (9.8 in): Days with 25 cm or more snowfall12319573

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1910.

Download the Data

  • Data for Truchas 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).