Oswego 1 N Threshold Days by Year (USC00146115)

20 fixed thresholds counted per year at Oswego 1 N (USC00146115): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Oswego 1 N Thresholds

Oswego 1 N: days with 10 mm (0.39 in) or more of precipitation in 95 years, most in 1951 with 48.
Oswego 1 N: days with 25 mm (0.98 in) or more of precipitation in 95 years, most in 1985 with 23.
Oswego 1 N: days with 50 mm (1.97 in) or more of precipitation in 93 years, most in 2009 with 9.
Oswego 1 N: days with 10 cm (3.9 in) or more of snowfall in 26 years, most in 1913 with 3.
20 fixed thresholds have at least one qualifying day at Oswego 1 N.

Days at or above 30 C (86 F)

23 years with a qualifying day

Days per year at Oswego 1 N with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 132 in 1897.

Days at or above 30 C (86 F) per year at Oswego 1 N
Year	Days	Decade average
1893	117	118.8
1894	118	118.8
1895	112	118.8
1896	122	118.8
1897	132	118.8
1899	112	118.8
1900	118	94.8
1901	114	94.8
1903	67	94.8
1908	80	94.8
1910	83	85.8
1911	106	85.8
1912	82	85.8
1913	97	85.8
1914	89	85.8
1915	44	85.8
1916	89	85.8
1919	96	85.8
1920	86	91
1921	100	91
1922	104	91
1923	88	91
1924	77	91

For each year, a bar from the first to the last day at Oswego 1 N meeting 30 C (86 F).

First to last qualifying date each year at Oswego 1 N
Year	First date	Last date
1893	1893-04-04	1893-10-18
1894	1894-04-16	1894-10-24
1895	1895-03-27	1895-09-26
1896	1896-04-10	1896-10-02
1897	1897-05-16	1897-10-24
1899	1899-05-15	1899-10-22
1900	1900-03-11	1900-10-24
1901	1901-04-25	1901-10-23
1903	1903-05-19	1903-10-02
1908	1908-05-19	1908-10-17
1910	1910-03-22	1910-10-02
1911	1911-02-01	1911-10-03
1912	1912-05-09	1912-10-09
1913	1913-04-17	1913-09-08
1914	1914-05-30	1914-09-17
1915	1915-05-13	1915-09-28
1916	1916-03-21	1916-10-08
1919	1919-06-06	1919-10-03
1920	1920-04-17	1920-10-04
1921	1921-03-18	1921-10-17
1922	1922-05-05	1922-10-27
1923	1923-04-23	1923-09-28
1924	1924-04-15	1924-09-20

Every Fixed Threshold

Fixed thresholds at Oswego 1 N
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	23	132	1897	77
35 C (95 F): Days	22	65	1893	7
40 C (104 F): Days	8	14	1894	9
90 F (32.2 C): Days	23	101	1897	40
100 F (37.8 C): Days	19	29	1913	17
110 F (43.3 C): Days	1	1	1923	1
0 C (32 F): Ice days (max	22	25	1895	19
0 C (32 F): Frost days (min	22	128	1893	99
-10 C (14 F): Days with min	22	35	1893	25
-20 C (-4 F): Days with min	11	12	1895	1
-30 C (-22 F): Days with min	1	1	1899	1
20 C (68 F): Tropical nights (min	22	85	1921	54
25 C (77 F): Days with min	13	4	1923	1
10 mm (0.39 in): Days with 10 mm or more rain	95	48	1951	25
25 mm (0.98 in): Days with 25 mm or more rain	95	23	1985	9
50 mm (1.97 in): Days with 50 mm or more rain	93	9	2009	5
100 mm (3.94 in): Days with 100 mm or more rain	25	2	1993	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1986	1
10 cm (3.9 in): Days with 10 cm or more snowfall	26	3	1913	1
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1954	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

Data for Oswego 1 N 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Oswego 1 N Threshold Days by Year (USC00146115)

Key Facts for Oswego 1 N Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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