Built 2026-10-19 (19 October 2026)

Dalhousie Threshold Days by Year (CA008101170)

17 fixed thresholds counted per year at Dalhousie (CA008101170): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dalhousie Thresholds

  • Dalhousie: days with 10 cm (3.9 in) or more of snowfall in 37 years, most in 1890 with 18.
  • Dalhousie: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1886 with 48.
  • Dalhousie: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1889 with 13.
  • Dalhousie: days with 25 cm (9.8 in) or more of snowfall in 33 years, most in 1899 with 5.
  • 17 fixed thresholds have at least one qualifying day at Dalhousie.
24 years with a qualifying day
Days at or above 30 C (86 F) per year at Dalhousie Days per year at Dalhousie with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 1893. 0358101877: 81879: 41881: 31882: 31884: 51886: 31887: 31889: 31890: 31891: 31892: 11893: 91894: 51895: 61896: 31897: 41904: 11905: 41907: 31910: 11911: 21912: 41914: 81916: 618771882188718911894189719071912
Days per year at Dalhousie with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 9 in 1893.
Days at or above 30 C (86 F) per year at Dalhousie
YearDaysDecade average
187786
187946
188133.3
188233.3
188453.3
188633.3
188733.3
188933.3
189034.3
189134.3
189214.3
189394.3
189454.3
189564.3
189634.3
189744.3
190412.7
190542.7
190732.7
191014.2
191124.2
191244.2
191484.2
191664.2
First to last qualifying date each year at Dalhousie For each year, a bar from the first to the last day at Dalhousie meeting 30 C (86 F). 1877: 29 May 1877 to 23 August 18771879: 31 May 1879 to 1 August 18791881: 28 May 1881 to 1 August 18811882: 25 July 1882 to 5 August 18821884: 28 June 1884 to 17 August 18841886: 6 July 1886 to 8 September 18861887: 12 June 1887 to 2 July 18871889: 1 July 1889 to 3 July 18891890: 29 July 1890 to 4 August 18901891: 20 June 1891 to 2 July 18911892: 8 July 1892 to 8 July 18921893: 9 June 1893 to 13 August 18931894: 15 June 1894 to 18 July 18941895: 7 May 1895 to 9 July 18951896: 17 June 1896 to 12 July 18961897: 6 July 1897 to 20 July 18971904: 16 June 1904 to 16 June 19041905: 17 June 1905 to 13 August 19051907: 13 June 1907 to 23 June 19071910: 12 July 1910 to 12 July 19101911: 21 May 1911 to 4 August 19111912: 3 July 1912 to 9 July 19121914: 26 May 1914 to 24 September 19141916: 11 July 1916 to 21 August 191618771882188718911894189719071912JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Dalhousie meeting 30 C (86 F).
First to last qualifying date each year at Dalhousie
YearFirst dateLast date
18771877-05-291877-08-23
18791879-05-311879-08-01
18811881-05-281881-08-01
18821882-07-251882-08-05
18841884-06-281884-08-17
18861886-07-061886-09-08
18871887-06-121887-07-02
18891889-07-011889-07-03
18901890-07-291890-08-04
18911891-06-201891-07-02
18921892-07-081892-07-08
18931893-06-091893-08-13
18941894-06-151894-07-18
18951895-05-071895-07-09
18961896-06-171896-07-12
18971897-07-061897-07-20
19041904-06-161904-06-16
19051905-06-171905-08-13
19071907-06-131907-06-23
19101910-07-121910-07-12
19111911-05-211911-08-04
19121912-07-031912-07-09
19141914-05-261914-09-24
19161916-07-111916-08-21

Every Fixed Threshold

Fixed thresholds at Dalhousie
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days24918936
35 C (95 F): Days1118931
90 F (32.2 C): Days16418932
0 C (32 F): Ice days (max311201883100
0 C (32 F): Frost days (min322221883169
-10 C (14 F): Days with min32122188385
-20 C (-4 F): Days with min3258188326
-30 C (-22 F): Days with min231618873
20 C (68 F): Tropical nights (min6519071
25 C (77 F): Days with min1119071
10 mm (0.39 in): Days with 10 mm or more rain3548188619
25 mm (0.98 in): Days with 25 mm or more rain3513188910
50 mm (1.97 in): Days with 50 mm or more rain15418811
100 mm (3.94 in): Days with 100 mm or more rain1118881
10 cm (3.9 in): Days with 10 cm or more snowfall371818908
25 cm (9.8 in): Days with 25 cm or more snowfall33518992
50 cm (19.7 in): Days with 50 cm or more snowfall2118811

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1877.

Download the Data

  • Data for Dalhousie 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 (2025-12-31).