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

High Falls Threshold Days by Year (CA007033120)

16 fixed thresholds counted per year at High Falls (CA007033120): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for High Falls Thresholds

  • High Falls: nights with a minimum temperature at or below 0 C (32 F) in 37 years, most in 1956 with 200.
  • High Falls: nights with a minimum temperature at or below -10 C (14 F) in 37 years, most in 1943 with 106.
  • High Falls: nights with a minimum temperature at or below -20 C (-4 F) in 37 years, most in 1963 with 64.
  • High Falls: days with 10 cm (3.9 in) or more of snowfall in 37 years, most in 1971 with 13.
  • 16 fixed thresholds have at least one qualifying day at High Falls.
34 years with a qualifying day
Days at or above 30 C (86 F) per year at High Falls Days per year at High Falls with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 28 in 1937. 01020301934: 131935: 161936: 101937: 281938: 101939: 91940: 101941: 211942: 71943: 81944: 191945: 131946: 151947: 171948: 71949: 261950: 71951: 11952: 81953: 171955: 281956: 31957: 51960: 51962: 21963: 151964: 61965: 51966: 81967: 21968: 71969: 71970: 81971: 5193419381942194619501955196219661970
Days per year at High Falls with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 28 in 1937.
Days at or above 30 C (86 F) per year at High Falls
YearDaysDecade average
19341314.3
19351614.3
19361014.3
19372814.3
19381014.3
1939914.3
19401014.3
19412114.3
1942714.3
1943814.3
19441914.3
19451314.3
19461514.3
19471714.3
1948714.3
19492614.3
195079.9
195119.9
195289.9
1953179.9
1955289.9
195639.9
195759.9
196056.3
196226.3
1963156.3
196466.3
196556.3
196686.3
196726.3
196876.3
196976.3
197086.5
197156.5
First to last qualifying date each year at High Falls For each year, a bar from the first to the last day at High Falls meeting 30 C (86 F). 1934: 4 June 1934 to 18 August 19341935: 4 July 1935 to 20 August 19351936: 16 May 1936 to 9 August 19361937: 31 May 1937 to 3 September 19371938: 20 June 1938 to 20 August 19381939: 5 July 1939 to 16 September 19391940: 21 July 1940 to 18 August 19401941: 18 June 1941 to 9 August 19411942: 10 June 1942 to 22 August 19421943: 4 June 1943 to 2 August 19431944: 31 May 1944 to 16 August 19441945: 29 June 1945 to 8 September 19451946: 25 June 1946 to 9 August 19461947: 11 June 1947 to 10 September 19471948: 11 July 1948 to 28 August 19481949: 3 June 1949 to 27 August 19491950: 7 June 1950 to 13 July 19501951: 25 July 1951 to 25 July 19511952: 3 July 1952 to 28 August 19521953: 20 June 1953 to 4 September 19531955: 5 June 1955 to 21 August 19551956: 12 June 1956 to 14 June 19561957: 16 June 1957 to 3 August 19571960: 28 July 1960 to 7 September 19601962: 8 July 1962 to 31 August 19621963: 4 June 1963 to 28 July 19631964: 23 May 1964 to 28 July 19641965: 26 May 1965 to 22 September 19651966: 24 June 1966 to 25 July 19661967: 3 June 1967 to 4 June 19671968: 1 July 1968 to 22 July 19681969: 12 June 1969 to 31 August 19691970: 9 June 1970 to 15 August 19701971: 19 May 1971 to 8 August 19711934193919441949195519631968JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at High Falls meeting 30 C (86 F).
First to last qualifying date each year at High Falls
YearFirst dateLast date
19341934-06-041934-08-18
19351935-07-041935-08-20
19361936-05-161936-08-09
19371937-05-311937-09-03
19381938-06-201938-08-20
19391939-07-051939-09-16
19401940-07-211940-08-18
19411941-06-181941-08-09
19421942-06-101942-08-22
19431943-06-041943-08-02
19441944-05-311944-08-16
19451945-06-291945-09-08
19461946-06-251946-08-09
19471947-06-111947-09-10
19481948-07-111948-08-28
19491949-06-031949-08-27
19501950-06-071950-07-13
19511951-07-251951-07-25
19521952-07-031952-08-28
19531953-06-201953-09-04
19551955-06-051955-08-21
19561956-06-121956-06-14
19571957-06-161957-08-03
19601960-07-281960-09-07
19621962-07-081962-08-31
19631963-06-041963-07-28
19641964-05-231964-07-28
19651965-05-261965-09-22
19661966-06-241966-07-25
19671967-06-031967-06-04
19681968-07-011968-07-22
19691969-06-121969-08-31
19701970-06-091970-08-15
19711971-05-191971-08-08

Every Fixed Threshold

Fixed thresholds at High Falls
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days342819375
35 C (95 F): Days2319441
90 F (32.2 C): Days251419551
0 C (32 F): Ice days (max35109195592
0 C (32 F): Frost days (min372001956175
-10 C (14 F): Days with min371061943101
-20 C (-4 F): Days with min3764196336
-30 C (-22 F): Days with min352419349
-40 C (-40 F): Days with min4219341
20 C (68 F): Tropical nights (min25919471
10 mm (0.39 in): Days with 10 mm or more rain3641194732
25 mm (0.98 in): Days with 25 mm or more rain361019375
50 mm (1.97 in): Days with 50 mm or more rain10219422
100 mm (3.94 in): Days with 100 mm or more rain1119521
10 cm (3.9 in): Days with 10 cm or more snowfall3713197113
25 cm (9.8 in): Days with 25 cm or more snowfall10219702

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1934.

Download the Data

  • Data for High Falls 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).