Dauphin Threshold Days by Year (CA005040675)

18 fixed thresholds counted per year at Dauphin (CA005040675): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dauphin Thresholds

Dauphin: days with a maximum temperature at or above 30 C (86 F) in 34 years, most in 1919 with 63.
Dauphin: days with a maximum temperature at or below 0 C (32 F) in 34 years, most in 1933 with 139.
Dauphin: nights with a minimum temperature at or below 0 C (32 F) in 34 years, most in 1917 with 212.
Dauphin: nights with a minimum temperature at or below -10 C (14 F) in 34 years, most in 1933 with 133.
18 fixed thresholds have at least one qualifying day at Dauphin.

Days at or above 30 C (86 F)

34 years with a qualifying day

Days per year at Dauphin with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 63 in 1919.

Days at or above 30 C (86 F) per year at Dauphin
Year	Days	Decade average
1903	6	8.3
1904	4	8.3
1905	4	8.3
1906	19	8.3
1911	7	17.4
1912	7	17.4
1913	5	17.4
1914	17	17.4
1915	4	17.4
1916	11	17.4
1917	28	17.4
1918	15	17.4
1919	63	17.4
1920	18	15.8
1921	22	15.8
1922	19	15.8
1923	22	15.8
1924	6	15.8
1925	12	15.8
1926	14	15.8
1927	9	15.8
1928	8	15.8
1929	28	15.8
1930	30	27
1931	30	27
1932	23	27
1933	29	27
1934	34	27
1935	15	27
1936	34	27
1937	29	27
1938	21	27
1939	25	27
1940	29	29

For each year, a bar from the first to the last day at Dauphin meeting 30 C (86 F).

First to last qualifying date each year at Dauphin
Year	First date	Last date
1903	1903-05-14	1903-08-20
1904	1904-06-17	1904-08-02
1905	1905-06-02	1905-08-26
1906	1906-04-17	1906-09-19
1911	1911-05-06	1911-07-27
1912	1912-06-23	1912-07-02
1913	1913-05-28	1913-09-06
1914	1914-05-26	1914-08-05
1915	1915-08-11	1915-09-01
1916	1916-07-06	1916-08-19
1917	1917-05-14	1917-09-24
1918	1918-05-05	1918-08-21
1919	1919-05-21	1919-09-02
1920	1920-07-17	1920-10-06
1921	1921-05-26	1921-09-02
1922	1922-06-03	1922-10-02
1923	1923-05-26	1923-09-16
1924	1924-07-05	1924-08-28
1925	1925-05-30	1925-09-03
1926	1926-06-28	1926-08-27
1927	1927-06-27	1927-09-07
1928	1928-05-24	1928-09-19
1929	1929-06-09	1929-09-02
1930	1930-05-04	1930-09-19
1931	1931-05-14	1931-09-30
1932	1932-05-14	1932-09-09
1933	1933-05-31	1933-08-30
1934	1934-05-05	1934-10-12
1935	1935-06-28	1935-08-14
1936	1936-05-27	1936-09-03
1937	1937-05-06	1937-08-27
1938	1938-06-18	1938-09-22
1939	1939-04-29	1939-09-18
1940	1940-05-11	1940-09-05

Every Fixed Threshold

Fixed thresholds at Dauphin
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	34	63	1919	29
35 C (95 F): Days	21	28	1919	7
40 C (104 F): Days	2	3	1931	3
90 F (32.2 C): Days	33	50	1919	17
100 F (37.8 C): Days	11	3	1919	1
110 F (43.3 C): Days	1	1	1919	1
0 C (32 F): Ice days (max	34	139	1933	124
0 C (32 F): Frost days (min	34	212	1917	186
-10 C (14 F): Days with min	34	133	1933	107
-20 C (-4 F): Days with min	34	81	1916	39
-30 C (-22 F): Days with min	34	40	1917	4
-40 C (-40 F): Days with min	13	3	1911	2
20 C (68 F): Tropical nights (min	20	4	1933	3
10 mm (0.39 in): Days with 10 mm or more rain	20	23	1935	9
25 mm (0.98 in): Days with 25 mm or more rain	16	9	1935	1
50 mm (1.97 in): Days with 50 mm or more rain	2	1	1933	1
10 cm (3.9 in): Days with 10 cm or more snowfall	18	6	1917	1
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1916	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1903.

Download the Data

Data for Dauphin 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Dauphin Threshold Days by Year (CA005040675)

Key Facts for Dauphin Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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