Built 2026-10-19 (19 October 2026)

Suntex Threshold Days by Year (USC00358250)

14 fixed thresholds counted per year at Suntex (USC00358250): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Suntex Thresholds

  • Suntex: days with 10 mm (0.39 in) or more of precipitation in 26 years, most in 1964 with 10.
  • Suntex: days with a maximum temperature at or above 30 C (86 F) in 24 years, most in 1970 with 58.
  • Suntex: days with a maximum temperature at or above 90 F (32.2 C) in 24 years, most in 1970 with 31.
  • Suntex: days with a maximum temperature at or below 0 C (32 F) in 24 years, most in 1985 with 69.
  • 14 fixed thresholds have at least one qualifying day at Suntex.
24 years with a qualifying day
Days at or above 30 C (86 F) per year at Suntex Days per year at Suntex with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 58 in 1970. 02040601964: 241965: 221966: 381967: 571969: 371970: 581971: 441972: 391973: 501974: 531975: 281976: 241977: 341978: 241979: 401980: 191981: 461983: 241984: 351985: 351986: 471987: 381988: 471989: 2219641967197119741977198019841987
Days per year at Suntex with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 58 in 1970.
Days at or above 30 C (86 F) per year at Suntex
YearDaysDecade average
19642435.6
19652235.6
19663835.6
19675735.6
19693735.6
19705839.4
19714439.4
19723939.4
19735039.4
19745339.4
19752839.4
19762439.4
19773439.4
19782439.4
19794039.4
19801934.8
19814634.8
19832434.8
19843534.8
19853534.8
19864734.8
19873834.8
19884734.8
19892234.8
First to last qualifying date each year at Suntex For each year, a bar from the first to the last day at Suntex meeting 30 C (86 F). 1964: 24 June 1964 to 7 October 19641965: 10 June 1965 to 8 October 19651966: 25 May 1966 to 22 September 19661967: 19 June 1967 to 28 September 19671969: 3 June 1969 to 12 September 19691970: 16 May 1970 to 30 August 19701971: 13 July 1971 to 10 September 19711972: 29 May 1972 to 4 September 19721973: 14 May 1973 to 5 September 19731974: 11 June 1974 to 25 September 19741975: 4 July 1975 to 14 September 19751976: 13 May 1976 to 4 September 19761977: 31 May 1977 to 13 September 19771978: 15 July 1978 to 25 September 19781979: 10 June 1979 to 19 September 19791980: 17 June 1980 to 6 September 19801981: 25 June 1981 to 18 September 19811983: 28 May 1983 to 18 August 19831984: 29 May 1984 to 18 September 19841985: 18 June 1985 to 27 August 19851986: 26 May 1986 to 7 September 19861987: 9 May 1987 to 24 September 19871988: 15 June 1988 to 1 October 19881989: 2 June 1989 to 20 August 198919641967197119741977198019841987JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Suntex meeting 30 C (86 F).
First to last qualifying date each year at Suntex
YearFirst dateLast date
19641964-06-241964-10-07
19651965-06-101965-10-08
19661966-05-251966-09-22
19671967-06-191967-09-28
19691969-06-031969-09-12
19701970-05-161970-08-30
19711971-07-131971-09-10
19721972-05-291972-09-04
19731973-05-141973-09-05
19741974-06-111974-09-25
19751975-07-041975-09-14
19761976-05-131976-09-04
19771977-05-311977-09-13
19781978-07-151978-09-25
19791979-06-101979-09-19
19801980-06-171980-09-06
19811981-06-251981-09-18
19831983-05-281983-08-18
19841984-05-291984-09-18
19851985-06-181985-08-27
19861986-05-261986-09-07
19871987-05-091987-09-24
19881988-06-151988-10-01
19891989-06-021989-08-20

Every Fixed Threshold

Fixed thresholds at Suntex
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2458197022
35 C (95 F): Days20719674
40 C (104 F): Days1119671
90 F (32.2 C): Days243119707
100 F (37.8 C): Days2219671
0 C (32 F): Ice days (max2469198535
0 C (32 F): Frost days (min242231971195
-10 C (14 F): Days with min2495198560
-20 C (-4 F): Days with min2221198515
-30 C (-22 F): Days with min5319721
10 mm (0.39 in): Days with 10 mm or more rain261019643
25 mm (0.98 in): Days with 25 mm or more rain8119641
10 cm (3.9 in): Days with 10 cm or more snowfall24719754
25 cm (9.8 in): Days with 25 cm or more snowfall3119671

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

  • Data for Suntex 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).