Built 2026-10-15 (15 October 2026)

Stewart Threshold Days by Year

13 fixed thresholds counted per year at Stewart (CA001067740): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Stewart Thresholds

  • Stewart: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1964 with 97.
  • Stewart: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1917 with 46.
  • Stewart: days with 10 cm (3.9 in) or more of snowfall in 52 years, most in 1964 with 37.
  • Stewart: days with a maximum temperature at or below 0 C (32 F) in 51 years, most in 1922 with 86.
  • 13 fixed thresholds have at least one qualifying day at Stewart.
19 years with a qualifying day
Days at or above 30 C (86 F) per year at Stewart Days per year at Stewart with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 12 in 1961. 0510151911: 11912: 21923: 11924: 11934: 31937: 41942: 21947: 21948: 41949: 11950: 31951: 51952: 41953: 11956: 11957: 11960: 71961: 121963: 51911192319341942194819501952195619601963
Days per year at Stewart with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 12 in 1961.
Days at or above 30 C (86 F) per year at Stewart
YearDaysDecade average
191111.5
191221.5
192311
192411
193433.5
193743.5
194222.3
194722.3
194842.3
194912.3
195032.5
195152.5
195242.5
195312.5
195612.5
195712.5
196078
1961128
196358
First to last qualifying date each year at Stewart For each year, a bar from the first to the last day at Stewart meeting 30 C (86 F). 1911: 17 July 1911 to 17 July 19111912: 18 July 1912 to 19 July 19121923: 21 June 1923 to 21 June 19231924: 20 June 1924 to 20 June 19241934: 24 July 1934 to 26 July 19341937: 7 June 1937 to 10 June 19371942: 25 July 1942 to 29 July 19421947: 27 May 1947 to 18 July 19471948: 10 June 1948 to 17 July 19481949: 20 June 1949 to 20 June 19491950: 15 June 1950 to 17 June 19501951: 30 June 1951 to 12 July 19511952: 10 July 1952 to 4 August 19521953: 7 July 1953 to 7 July 19531956: 19 August 1956 to 19 August 19561957: 3 August 1957 to 3 August 19571960: 29 July 1960 to 10 August 19601961: 8 July 1961 to 31 July 19611963: 21 May 1963 to 31 August 19631911192419421949195219571963JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Stewart meeting 30 C (86 F).
First to last qualifying date each year at Stewart
YearFirst dateLast date
19111911-07-171911-07-17
19121912-07-181912-07-19
19231923-06-211923-06-21
19241924-06-201924-06-20
19341934-07-241934-07-26
19371937-06-071937-06-10
19421942-07-251942-07-29
19471947-05-271947-07-18
19481948-06-101948-07-17
19491949-06-201949-06-20
19501950-06-151950-06-17
19511951-06-301951-07-12
19521952-07-101952-08-04
19531953-07-071953-07-07
19561956-08-191956-08-19
19571957-08-031957-08-03
19601960-07-291960-08-10
19611961-07-081961-07-31
19631963-05-211963-08-31

Every Fixed Threshold

Fixed thresholds at Stewart
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days191219615
90 F (32.2 C): Days8219371
0 C (32 F): Ice days (max5186192252
0 C (32 F): Frost days (min492261920177
-10 C (14 F): Days with min4967191931
-20 C (-4 F): Days with min331319363
10 mm (0.39 in): Days with 10 mm or more rain5297196467
25 mm (0.98 in): Days with 25 mm or more rain5246191712
50 mm (1.97 in): Days with 50 mm or more rain42919171
100 mm (3.94 in): Days with 100 mm or more rain3319613
10 cm (3.9 in): Days with 10 cm or more snowfall5237196421
25 cm (9.8 in): Days with 25 cm or more snowfall511219181
50 cm (19.7 in): Days with 50 cm or more snowfall14319162

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1911.

Download the Data

  • Data for Stewart 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 (2026-10-14).