Bancroft Threshold Days by Year (USC00460450)

17 fixed thresholds counted per year at Bancroft (USC00460450): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bancroft Thresholds

Bancroft: nights with a minimum temperature at or below 0 C (32 F) in 31 years, most in 1915 with 132.
Bancroft: nights with a minimum temperature at or above 20 C (68 F) in 31 years, most in 1938 with 44.
Bancroft: nights with a minimum temperature at or below -10 C (14 F) in 30 years, most in 1917 with 34.
Bancroft: days with 10 mm (0.39 in) or more of precipitation in 26 years, most in 1907 with 65.
17 fixed thresholds have at least one qualifying day at Bancroft.

Days at or above 30 C (86 F)

22 years with a qualifying day

Days per year at Bancroft with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 118 in 1936.

Days at or above 30 C (86 F) per year at Bancroft
Year	Days	Decade average
1905	84	72.4
1906	81	72.4
1907	50	72.4
1908	93	72.4
1909	54	72.4
1911	103	70.5
1912	99	70.5
1913	96	70.5
1915	44	70.5
1916	50	70.5
1917	31	70.5
1921	59	49
1924	23	49
1928	56	49
1929	58	49
1932	63	91
1933	106	91
1934	86	91
1935	86	91
1936	118	91
1937	100	91
1938	78	91

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

First to last qualifying date each year at Bancroft
Year	First date	Last date
1905	1905-04-10	1905-10-18
1906	1906-04-13	1906-09-20
1907	1907-03-28	1907-09-21
1908	1908-04-23	1908-10-18
1909	1909-04-05	1909-09-15
1911	1911-04-06	1911-10-06
1912	1912-04-12	1912-10-11
1913	1913-04-23	1913-10-15
1915	1915-04-24	1915-09-18
1916	1916-05-10	1916-09-08
1917	1917-04-20	1917-09-05
1921	1921-03-20	1921-09-20
1924	1924-05-07	1924-09-01
1928	1928-04-06	1928-10-13
1929	1929-03-24	1929-09-28
1932	1932-05-08	1932-09-15
1933	1933-04-30	1933-09-27
1934	1934-05-05	1934-09-27
1935	1935-04-26	1935-10-14
1936	1936-04-29	1936-10-19
1937	1937-04-18	1937-10-07
1938	1938-04-27	1938-10-19

Every Fixed Threshold

Fixed thresholds at Bancroft
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	22	118	1936	78
35 C (95 F): Days	16	37	1936	9
40 C (104 F): Days	3	5	1911	5
90 F (32.2 C): Days	22	91	1936	50
100 F (37.8 C): Days	5	17	1936	17
0 C (32 F): Ice days (max	21	20	1905	11
0 C (32 F): Frost days (min	31	132	1915	97
-10 C (14 F): Days with min	30	34	1917	7
-20 C (-4 F): Days with min	7	5	1936	5
20 C (68 F): Tropical nights (min	31	44	1938	44
25 C (77 F): Days with min	2	1	1921	1
10 mm (0.39 in): Days with 10 mm or more rain	26	65	1907	33
25 mm (0.98 in): Days with 25 mm or more rain	26	16	1935	10
50 mm (1.97 in): Days with 50 mm or more rain	15	2	1905	2
100 mm (3.94 in): Days with 100 mm or more rain	1	0	n/a	1
10 cm (3.9 in): Days with 10 cm or more snowfall	8	4	1929	4
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1929	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1905.

Download the Data

Data for Bancroft 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).

Bancroft Threshold Days by Year (USC00460450)

Key Facts for Bancroft Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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