Spreckels Hwy Brg Threshold Days by Year (USC00048446)

10 fixed thresholds counted per year at Spreckels Hwy Brg (USC00048446): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Spreckels Hwy Brg Thresholds

Spreckels Hwy Brg: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 1941 with 29.
Spreckels Hwy Brg: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1941 with 6.
Spreckels Hwy Brg: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 1913 with 24.
Spreckels Hwy Brg: days with a maximum temperature at or above 90 F (32.2 C) in 36 years, most in 1917 with 15.
10 fixed thresholds have at least one qualifying day at Spreckels Hwy Brg.

Days at or above 30 C (86 F)

37 years with a qualifying day

Days per year at Spreckels Hwy Brg with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 24 in 1913.

Days at or above 30 C (86 F) per year at Spreckels Hwy Brg
Year	Days	Decade average
1908	9	10
1909	11	10
1910	13	13.7
1911	10	13.7
1912	21	13.7
1913	24	13.7
1914	12	13.7
1915	12	13.7
1916	8	13.7
1917	22	13.7
1918	7	13.7
1919	8	13.7
1920	9	13.1
1921	21	13.1
1922	18	13.1
1923	16	13.1
1924	11	13.1
1925	9	13.1
1926	15	13.1
1927	12	13.1
1928	7	13.1
1929	13	13.1
1930	12	13.1
1931	23	13.1
1932	9	13.1
1933	15	13.1
1934	11	13.1
1935	14	13.1
1936	12	13.1
1937	14	13.1
1938	1	13.1
1939	20	13.1
1940	8	10.4
1941	11	10.4
1942	6	10.4
1943	20	10.4
1944	7	10.4

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

First to last qualifying date each year at Spreckels Hwy Brg
Year	First date	Last date
1908	1908-04-28	1908-10-07
1909	1909-05-31	1909-10-25
1910	1910-04-22	1910-10-25
1911	1911-05-19	1911-10-19
1912	1912-05-28	1912-10-14
1913	1913-04-24	1913-10-20
1914	1914-03-16	1914-11-08
1915	1915-03-21	1915-10-28
1916	1916-02-15	1916-09-27
1917	1917-06-12	1917-11-19
1918	1918-04-18	1918-10-13
1919	1919-06-01	1919-10-07
1920	1920-05-19	1920-10-03
1921	1921-04-27	1921-10-30
1922	1922-05-02	1922-10-23
1923	1923-03-18	1923-10-20
1924	1924-05-28	1924-10-18
1925	1925-05-02	1925-10-25
1926	1926-03-13	1926-11-10
1927	1927-04-22	1927-11-04
1928	1928-06-04	1928-10-09
1929	1929-06-20	1929-11-05
1930	1930-02-17	1930-11-01
1931	1931-04-10	1931-11-08
1932	1932-04-11	1932-11-18
1933	1933-04-14	1933-11-24
1934	1934-03-10	1934-10-26
1935	1935-04-27	1935-10-28
1936	1936-05-09	1936-11-14
1937	1937-06-26	1937-10-22
1938	1938-10-25	1938-10-25
1939	1939-03-16	1939-11-23
1940	1940-04-11	1940-10-19
1941	1941-05-10	1941-11-06
1942	1942-05-19	1942-10-21
1943	1943-05-07	1943-11-08
1944	1944-05-04	1944-10-25

Every Fixed Threshold

Fixed thresholds at Spreckels Hwy Brg
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	37	24	1913	7
35 C (95 F): Days	29	11	1917	4
40 C (104 F): Days	5	2	1913	1
90 F (32.2 C): Days	36	15	1917	3
100 F (37.8 C): Days	10	5	1913	1
0 C (32 F): Frost days (min	36	59	1933	9
20 C (68 F): Tropical nights (min	4	2	1911	2
10 mm (0.39 in): Days with 10 mm or more rain	61	29	1941	10
25 mm (0.98 in): Days with 25 mm or more rain	42	6	1941	2
50 mm (1.97 in): Days with 50 mm or more rain	3	1	1911	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1908.

Download the Data

Data for Spreckels Hwy Brg 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).

Spreckels Hwy Brg Threshold Days by Year (USC00048446)

Key Facts for Spreckels Hwy Brg Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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