West Berne Threshold Days by Year (USC00309100)

17 fixed thresholds counted per year at West Berne (USC00309100): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for West Berne Thresholds

West Berne: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1921 with 41.
West Berne: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1901 with 12.
West Berne: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 1900 with 45.
West Berne: days with a maximum temperature at or below 0 C (32 F) in 31 years, most in 1904 with 89.
17 fixed thresholds have at least one qualifying day at West Berne.

Days at or above 30 C (86 F)

31 years with a qualifying day

Days per year at West Berne with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 45 in 1900.

Days at or above 30 C (86 F) per year at West Berne
Year	Days	Decade average
1900	45	21.7
1901	32	21.7
1902	10	21.7
1903	7	21.7
1904	12	21.7
1905	27	21.7
1906	25	21.7
1907	16	21.7
1908	23	21.7
1909	20	21.7
1910	20	19.1
1911	36	19.1
1912	20	19.1
1913	27	19.1
1914	24	19.1
1915	17	19.1
1916	8	19.1
1917	8	19.1
1918	16	19.1
1919	15	19.1
1920	6	9.5
1921	15	9.5
1922	10	9.5
1923	11	9.5
1924	8	9.5
1925	10	9.5
1926	9	9.5
1927	6	9.5
1928	5	9.5
1929	15	9.5
1931	19	19

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

First to last qualifying date each year at West Berne
Year	First date	Last date
1900	1900-05-14	1900-10-06
1901	1901-06-06	1901-09-06
1902	1902-05-22	1902-09-02
1903	1903-05-18	1903-09-15
1904	1904-06-05	1904-09-03
1905	1905-06-15	1905-10-03
1906	1906-05-17	1906-09-19
1907	1907-05-14	1907-09-16
1908	1908-05-26	1908-10-17
1909	1909-06-22	1909-08-25
1910	1910-05-23	1910-08-25
1911	1911-05-08	1911-09-02
1912	1912-05-28	1912-08-14
1913	1913-04-25	1913-08-18
1914	1914-05-20	1914-09-23
1915	1915-04-25	1915-09-16
1916	1916-07-12	1916-08-22
1917	1917-07-23	1917-08-03
1918	1918-06-01	1918-08-24
1919	1919-06-02	1919-07-27
1920	1920-06-02	1920-08-10
1921	1921-06-11	1921-09-02
1922	1922-06-28	1922-10-05
1923	1923-06-05	1923-08-04
1924	1924-07-07	1924-08-31
1925	1925-06-02	1925-09-11
1926	1926-05-02	1926-08-06
1927	1927-06-10	1927-07-17
1928	1928-07-08	1928-08-16
1929	1929-05-28	1929-09-04
1931	1931-05-28	1931-09-22

Every Fixed Threshold

Fixed thresholds at West Berne
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	31	45	1900	19
35 C (95 F): Days	12	11	1900	1
90 F (32.2 C): Days	30	34	1900	9
100 F (37.8 C): Days	1	1	1900	1
0 C (32 F): Ice days (max	31	89	1904	36
0 C (32 F): Frost days (min	30	187	1904	156
-10 C (14 F): Days with min	30	92	1904	47
-20 C (-4 F): Days with min	30	27	1914	9
-30 C (-22 F): Days with min	12	3	1904	1
20 C (68 F): Tropical nights (min	25	15	1921	3
25 C (77 F): Days with min	2	1	1916	1
10 mm (0.39 in): Days with 10 mm or more rain	33	41	1921	29
25 mm (0.98 in): Days with 25 mm or more rain	33	12	1901	9
50 mm (1.97 in): Days with 50 mm or more rain	15	3	1902	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1903	1
10 cm (3.9 in): Days with 10 cm or more snowfall	2	7	1926	7
25 cm (9.8 in): Days with 25 cm or more snowfall	2	2	1925	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.

Download the Data

Data for West Berne 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

West Berne Threshold Days by Year (USC00309100)

Key Facts for West Berne Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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