Built 2026-10-19 (19 October 2026)

Wright Threshold Days by Year (CA007038975)

15 fixed thresholds counted per year at Wright (CA007038975): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wright Thresholds

  • Wright: days with a maximum temperature at or above 30 C (86 F) in 16 years, most in 1975 with 23.
  • Wright: days with a maximum temperature at or below 0 C (32 F) in 16 years, most in 1976 with 103.
  • Wright: nights with a minimum temperature at or below 0 C (32 F) in 16 years, most in 1969 with 198.
  • Wright: nights with a minimum temperature at or below -10 C (14 F) in 16 years, most in 1978 with 108.
  • 15 fixed thresholds have at least one qualifying day at Wright.
16 years with a qualifying day
Days at or above 30 C (86 F) per year at Wright Days per year at Wright with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 23 in 1975. 01020301968: 51969: 71970: 91971: 61972: 21973: 71974: 51975: 231976: 81977: 111978: 151979: 41980: 41981: 31982: 71983: 1719681970197219741976197819801982
Days per year at Wright with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 23 in 1975.
Days at or above 30 C (86 F) per year at Wright
YearDaysDecade average
196856
196976
197099
197169
197229
197379
197459
1975239
197689
1977119
1978159
197949
198047.8
198137.8
198277.8
1983177.8
First to last qualifying date each year at Wright For each year, a bar from the first to the last day at Wright meeting 30 C (86 F). 1968: 1 July 1968 to 18 July 19681969: 27 June 1969 to 31 August 19691970: 9 June 1970 to 15 August 19701971: 19 May 1971 to 10 August 19711972: 23 May 1972 to 12 July 19721973: 7 July 1973 to 2 September 19731974: 22 May 1974 to 22 August 19741975: 20 May 1975 to 10 August 19751976: 18 April 1976 to 21 August 19761977: 17 May 1977 to 29 August 19771978: 25 May 1978 to 15 August 19781979: 9 May 1979 to 24 July 19791980: 24 June 1980 to 25 August 19801981: 6 July 1981 to 9 July 19811982: 6 July 1982 to 22 July 19821983: 12 June 1983 to 5 September 198319681970197219741976197819801982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wright meeting 30 C (86 F).
First to last qualifying date each year at Wright
YearFirst dateLast date
19681968-07-011968-07-18
19691969-06-271969-08-31
19701970-06-091970-08-15
19711971-05-191971-08-10
19721972-05-231972-07-12
19731973-07-071973-09-02
19741974-05-221974-08-22
19751975-05-201975-08-10
19761976-04-181976-08-21
19771977-05-171977-08-29
19781978-05-251978-08-15
19791979-05-091979-07-24
19801980-06-241980-08-25
19811981-07-061981-07-09
19821982-07-061982-07-22
19831983-06-121983-09-05

Every Fixed Threshold

Fixed thresholds at Wright
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1623197517
35 C (95 F): Days2219751
90 F (32.2 C): Days10919752
0 C (32 F): Ice days (max16103197676
0 C (32 F): Frost days (min161981969181
-10 C (14 F): Days with min16108197879
-20 C (-4 F): Days with min1658197828
-30 C (-22 F): Days with min161819765
-40 C (-40 F): Days with min8219812
20 C (68 F): Tropical nights (min11719733
10 mm (0.39 in): Days with 10 mm or more rain1644197237
25 mm (0.98 in): Days with 25 mm or more rain16919732
50 mm (1.97 in): Days with 50 mm or more rain7219812
10 cm (3.9 in): Days with 10 cm or more snowfall161619717
25 cm (9.8 in): Days with 25 cm or more snowfall10219701

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1968.

Download the Data

  • Data for Wright 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).