Sandy Hook Lightboat S Threshold Days by Year (USC00287869)

16 fixed thresholds counted per year at Sandy Hook Lightboat S (USC00287869): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sandy Hook Lightboat S Thresholds

Sandy Hook Lightboat S: nights with a minimum temperature at or below 0 C (32 F) in 20 years, most in 1904 with 123.
Sandy Hook Lightboat S: nights with a minimum temperature at or above 20 C (68 F) in 20 years, most in 1955 with 66.
Sandy Hook Lightboat S: days with 10 mm (0.39 in) or more of precipitation in 20 years, most in 1958 with 45.
Sandy Hook Lightboat S: days with 25 mm (0.98 in) or more of precipitation in 20 years, most in 1958 with 19.
16 fixed thresholds have at least one qualifying day at Sandy Hook Lightboat S.

Days at or above 30 C (86 F)

19 years with a qualifying day

Days per year at Sandy Hook Lightboat S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 44 in 1952.

Days at or above 30 C (86 F) per year at Sandy Hook Lightboat S
Year	Days	Decade average
1904	15	16.5
1905	18	16.5
1941	27	28.8
1942	21	28.8
1943	39	28.8
1944	39	28.8
1945	21	28.8
1946	21	28.8
1947	29	28.8
1948	27	28.8
1949	35	28.8
1950	24	29.5
1951	16	29.5
1952	44	29.5
1953	37	29.5
1954	29	29.5
1955	36	29.5
1956	21	29.5
1958	29	29.5

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

First to last qualifying date each year at Sandy Hook Lightboat S
Year	First date	Last date
1904	1904-05-26	1904-09-12
1905	1905-06-04	1905-09-30
1941	1941-05-22	1941-10-06
1942	1942-05-30	1942-09-15
1943	1943-06-03	1943-09-01
1944	1944-05-31	1944-09-05
1945	1945-06-15	1945-09-08
1946	1946-06-08	1946-09-19
1947	1947-06-11	1947-09-19
1948	1948-06-24	1948-09-13
1949	1949-05-06	1949-09-05
1950	1950-06-07	1950-09-01
1951	1951-05-16	1951-08-31
1952	1952-06-06	1952-09-13
1953	1953-06-05	1953-09-03
1954	1954-05-31	1954-09-05
1955	1955-05-05	1955-08-22
1956	1956-06-13	1956-08-28
1958	1958-06-27	1958-09-16

Every Fixed Threshold

Fixed thresholds at Sandy Hook Lightboat S
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	19	44	1952	29
35 C (95 F): Days	13	9	1949	1
90 F (32.2 C): Days	19	26	1955	8
100 F (37.8 C): Days	2	2	1955	2
0 C (32 F): Ice days (max	19	47	1904	19
0 C (32 F): Frost days (min	20	123	1904	90
-10 C (14 F): Days with min	19	23	1904	15
-20 C (-4 F): Days with min	1	1	1943	1
20 C (68 F): Tropical nights (min	20	66	1955	29
25 C (77 F): Days with min	4	3	1955	1
10 mm (0.39 in): Days with 10 mm or more rain	20	45	1958	45
25 mm (0.98 in): Days with 25 mm or more rain	20	19	1958	19
50 mm (1.97 in): Days with 50 mm or more rain	17	5	1958	5
100 mm (3.94 in): Days with 100 mm or more rain	5	1	1904	1
10 cm (3.9 in): Days with 10 cm or more snowfall	4	4	1947	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1947	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1904.

Download the Data

Data for Sandy Hook Lightboat S 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).

Sandy Hook Lightboat S Threshold Days by Year (USC00287869)

Key Facts for Sandy Hook Lightboat S Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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