Spences Bridge Threshold Days by Year (CA001167635)

15 fixed thresholds counted per year at Spences Bridge (CA001167635): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Spences Bridge Thresholds

Spences Bridge: nights with a minimum temperature at or below 0 C (32 F) in 14 years, most in 1893 with 145.
Spences Bridge: nights with a minimum temperature at or below -10 C (14 F) in 14 years, most in 1875 with 64.
Spences Bridge: days with a maximum temperature at or above 30 C (86 F) in 13 years, most in 1896 with 59.
Spences Bridge: days with a maximum temperature at or above 90 F (32.2 C) in 13 years, most in 1894 with 45.
15 fixed thresholds have at least one qualifying day at Spences Bridge.

Days at or above 30 C (86 F)

13 years with a qualifying day

Days per year at Spences Bridge with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 59 in 1896.

Days at or above 30 C (86 F) per year at Spences Bridge
Year	Days	Decade average
1874	18	34.6
1875	36	34.6
1876	25	34.6
1877	43	34.6
1878	51	34.6
1889	55	55
1890	42	46.9
1891	51	46.9
1892	39	46.9
1893	36	46.9
1894	57	46.9
1895	44	46.9
1896	59	46.9

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

First to last qualifying date each year at Spences Bridge
Year	First date	Last date
1874	1874-05-31	1874-08-26
1875	1875-06-16	1875-08-21
1876	1876-05-23	1876-09-02
1877	1877-05-12	1877-09-04
1878	1878-05-08	1878-09-05
1889	1889-05-01	1889-09-05
1890	1890-04-27	1890-09-26
1891	1891-05-14	1891-09-05
1892	1892-05-20	1892-09-12
1893	1893-06-05	1893-09-06
1894	1894-05-20	1894-09-10
1895	1895-05-12	1895-09-18
1896	1896-06-16	1896-09-05

Every Fixed Threshold

Fixed thresholds at Spences Bridge
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	13	59	1896	59
35 C (95 F): Days	12	17	1891	16
40 C (104 F): Days	2	1	1877	1
90 F (32.2 C): Days	13	45	1894	36
100 F (37.8 C): Days	11	9	1877	4
0 C (32 F): Ice days (max	13	73	1875	47
0 C (32 F): Frost days (min	14	145	1893	136
-10 C (14 F): Days with min	14	64	1875	36
-20 C (-4 F): Days with min	8	17	1875	10
-30 C (-22 F): Days with min	2	7	1875	3
20 C (68 F): Tropical nights (min	5	4	1877	1
10 mm (0.39 in): Days with 10 mm or more rain	12	11	1890	4
25 mm (0.98 in): Days with 25 mm or more rain	2	2	1894	2
10 cm (3.9 in): Days with 10 cm or more snowfall	6	4	1892	2
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1896	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1874.

Download the Data

Data for Spences Bridge 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).

Spences Bridge Threshold Days by Year (CA001167635)

Key Facts for Spences Bridge Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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