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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Wrigley A Threshold Days by Year (CA002204000)

14 fixed thresholds counted per year at Wrigley A (CA002204000): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wrigley A Thresholds

  • Wrigley A: days with 10 mm (0.39 in) or more of precipitation in 23 years, most in 1970 with 15.
  • Wrigley A: nights with a minimum temperature at or below 0 C (32 F) in 19 years, most in 1972 with 256.
  • Wrigley A: nights with a minimum temperature at or below -10 C (14 F) in 19 years, most in 1974 with 187.
  • Wrigley A: nights with a minimum temperature at or below -20 C (-4 F) in 19 years, most in 1974 with 136.
  • 14 fixed thresholds have at least one qualifying day at Wrigley A.
14 years with a qualifying day
Days at or above 30 C (86 F) per year at Wrigley A Days per year at Wrigley A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 1975. 0358101945: 31951: 81954: 21956: 21966: 11967: 11969: 21970: 11971: 31972: 11973: 31974: 11975: 91976: 11945195419661969197119731975
Days per year at Wrigley A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 1975.
Days at or above 30 C (86 F) per year at Wrigley A
YearDaysDecade average
194533
195184
195424
195624
196611.3
196711.3
196921.3
197012.7
197132.7
197212.7
197332.7
197412.7
197592.7
197612.7
First to last qualifying date each year at Wrigley A For each year, a bar from the first to the last day at Wrigley A meeting 30 C (86 F). 1945: 13 July 1945 to 13 August 19451951: 24 June 1951 to 15 August 19511954: 2 July 1954 to 7 July 19541956: 5 July 1956 to 16 July 19561966: 17 June 1966 to 17 June 19661967: 18 August 1967 to 18 August 19671969: 7 June 1969 to 14 June 19691970: 30 July 1970 to 30 July 19701971: 28 July 1971 to 2 August 19711972: 24 June 1972 to 24 June 19721973: 20 July 1973 to 28 July 19731974: 2 August 1974 to 2 August 19741975: 24 June 1975 to 12 July 19751976: 28 June 1976 to 28 June 19761945195419661969197119731975JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wrigley A meeting 30 C (86 F).
First to last qualifying date each year at Wrigley A
YearFirst dateLast date
19451945-07-131945-08-13
19511951-06-241951-08-15
19541954-07-021954-07-07
19561956-07-051956-07-16
19661966-06-171966-06-17
19671967-08-181967-08-18
19691969-06-071969-06-14
19701970-07-301970-07-30
19711971-07-281971-08-02
19721972-06-241972-06-24
19731973-07-201973-07-28
19741974-08-021974-08-02
19751975-06-241975-07-12
19761976-06-281976-06-28

Every Fixed Threshold

Fixed thresholds at Wrigley A
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days14919751
35 C (95 F): Days1119511
90 F (32.2 C): Days3619756
0 C (32 F): Ice days (max171971974176
0 C (32 F): Frost days (min192561972239
-10 C (14 F): Days with min191871974170
-20 C (-4 F): Days with min191361974114
-30 C (-22 F): Days with min1974195644
-40 C (-40 F): Days with min1932196617
20 C (68 F): Tropical nights (min2319543
10 mm (0.39 in): Days with 10 mm or more rain231519702
25 mm (0.98 in): Days with 25 mm or more rain12219701
10 cm (3.9 in): Days with 10 cm or more snowfall14419701
25 cm (9.8 in): Days with 25 cm or more snowfall2119721

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

  • Data for Wrigley A 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).