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Built 2026-10-19 (19 October 2026)

Fergus Shand Dam Threshold Days by Year (CA006142400)

15 fixed thresholds counted per year at Fergus Shand Dam (CA006142400): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Fergus Shand Dam Thresholds

  • Fergus Shand Dam: nights with a minimum temperature at or below 0 C (32 F) in 41 years, most in 1943 with 194.
  • Fergus Shand Dam: nights with a minimum temperature at or below -10 C (14 F) in 41 years, most in 1940 with 87.
  • Fergus Shand Dam: nights with a minimum temperature at or below -20 C (-4 F) in 41 years, most in 1963 with 32.
  • Fergus Shand Dam: days with a maximum temperature at or below 0 C (32 F) in 40 years, most in 1940 with 109.
  • 15 fixed thresholds have at least one qualifying day at Fergus Shand Dam.
36 years with a qualifying day
Days at or above 30 C (86 F) per year at Fergus Shand Dam Days per year at Fergus Shand Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 35 in 1955. 0102030401940: 41941: 141943: 61944: 131945: 41946: 61947: 111948: 91949: 151950: 21952: 101953: 151954: 81955: 351957: 11959: 91960: 21961: 11962: 21963: 41964: 21965: 21966: 81967: 11968: 61969: 71970: 51972: 41973: 121974: 61975: 61977: 51978: 61979: 31981: 21983: 10194019451949195419601964196819731978
Days per year at Fergus Shand Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 35 in 1955.
Days at or above 30 C (86 F) per year at Fergus Shand Dam
YearDaysDecade average
194049.1
1941149.1
194369.1
1944139.1
194549.1
194669.1
1947119.1
194899.1
1949159.1
1950211.4
19521011.4
19531511.4
1954811.4
19553511.4
1957111.4
1959911.4
196023.5
196113.5
196223.5
196343.5
196423.5
196523.5
196683.5
196713.5
196863.5
196973.5
197055.9
197245.9
1973125.9
197465.9
197565.9
197755.9
197865.9
197935.9
198126
1983106
First to last qualifying date each year at Fergus Shand Dam For each year, a bar from the first to the last day at Fergus Shand Dam meeting 30 C (86 F). 1940: 22 July 1940 to 29 July 19401941: 23 June 1941 to 10 August 19411943: 25 June 1943 to 1 September 19431944: 28 June 1944 to 15 August 19441945: 29 June 1945 to 7 September 19451946: 29 June 1946 to 8 August 19461947: 5 August 1947 to 7 September 19471948: 10 July 1948 to 28 August 19481949: 12 June 1949 to 26 August 19491950: 15 August 1950 to 16 August 19501952: 24 June 1952 to 12 September 19521953: 20 June 1953 to 4 September 19531954: 24 July 1954 to 24 August 19541955: 17 June 1955 to 18 September 19551957: 17 June 1957 to 17 June 19571959: 9 June 1959 to 9 September 19591960: 6 September 1960 to 7 September 19601961: 8 September 1961 to 8 September 19611962: 18 May 1962 to 19 May 19621963: 29 June 1963 to 27 July 19631964: 30 June 1964 to 28 July 19641965: 28 June 1965 to 6 August 19651966: 25 June 1966 to 25 July 19661967: 16 June 1967 to 16 June 19671968: 9 June 1968 to 24 August 19681969: 27 June 1969 to 31 August 19691970: 26 July 1970 to 15 August 19701972: 12 July 1972 to 23 July 19721973: 8 July 1973 to 5 September 19731974: 4 July 1974 to 21 August 19741975: 22 June 1975 to 2 August 19751977: 21 May 1977 to 20 July 19771978: 7 July 1978 to 19 August 19781979: 13 July 1979 to 15 July 19791981: 15 June 1981 to 8 July 19811983: 23 June 1983 to 10 September 198319401946195219591964196919751983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Fergus Shand Dam meeting 30 C (86 F).
First to last qualifying date each year at Fergus Shand Dam
YearFirst dateLast date
19401940-07-221940-07-29
19411941-06-231941-08-10
19431943-06-251943-09-01
19441944-06-281944-08-15
19451945-06-291945-09-07
19461946-06-291946-08-08
19471947-08-051947-09-07
19481948-07-101948-08-28
19491949-06-121949-08-26
19501950-08-151950-08-16
19521952-06-241952-09-12
19531953-06-201953-09-04
19541954-07-241954-08-24
19551955-06-171955-09-18
19571957-06-171957-06-17
19591959-06-091959-09-09
19601960-09-061960-09-07
19611961-09-081961-09-08
19621962-05-181962-05-19
19631963-06-291963-07-27
19641964-06-301964-07-28
19651965-06-281965-08-06
19661966-06-251966-07-25
19671967-06-161967-06-16
19681968-06-091968-08-24
19691969-06-271969-08-31
19701970-07-261970-08-15
19721972-07-121972-07-23
19731973-07-081973-09-05
19741974-07-041974-08-21
19751975-06-221975-08-02
19771977-05-211977-07-20
19781978-07-071978-08-19
19791979-07-131979-07-15
19811981-06-151981-07-08
19831983-06-231983-09-10

Every Fixed Threshold

Fixed thresholds at Fergus Shand Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3635195510
35 C (95 F): Days3219531
90 F (32.2 C): Days161619551
0 C (32 F): Ice days (max40109194072
0 C (32 F): Frost days (min411941943164
-10 C (14 F): Days with min4187194043
-20 C (-4 F): Days with min413219636
-30 C (-22 F): Days with min11719482
20 C (68 F): Tropical nights (min35819497
10 mm (0.39 in): Days with 10 mm or more rain4037194731
25 mm (0.98 in): Days with 25 mm or more rain401019673
50 mm (1.97 in): Days with 50 mm or more rain19219491
100 mm (3.94 in): Days with 100 mm or more rain2119671
10 cm (3.9 in): Days with 10 cm or more snowfall391719474
25 cm (9.8 in): Days with 25 cm or more snowfall2119501

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1940.

Download the Data

  • Data for Fergus Shand Dam 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).