Windham 3 E Threshold Days by Year (USC00309516)

17 fixed thresholds counted per year at Windham 3 E (USC00309516): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Windham 3 E Thresholds

Windham 3 E: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1996 with 51.
Windham 3 E: days with 25 mm (0.98 in) or more of precipitation in 60 years, most in 1977 with 21.
Windham 3 E: days with 50 mm (1.97 in) or more of precipitation in 48 years, most in 1955 with 7.
Windham 3 E: days with 10 cm (3.9 in) or more of snowfall in 19 years, most in 1977 with 12.
17 fixed thresholds have at least one qualifying day at Windham 3 E.

Days at or above 30 C (86 F)

14 years with a qualifying day

Days per year at Windham 3 E with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 28 in 1901.

Days at or above 30 C (86 F) per year at Windham 3 E
Year	Days	Decade average
1900	26	12.3
1901	28	12.3
1902	6	12.3
1903	5	12.3
1904	10	12.3
1905	10	12.3
1906	6	12.3
1907	9	12.3
1908	18	12.3
1909	5	12.3
1910	6	11.3
1911	15	11.3
1912	9	11.3
1913	15	11.3

For each year, a bar from the first to the last day at Windham 3 E meeting 30 C (86 F).

First to last qualifying date each year at Windham 3 E
Year	First date	Last date
1900	1900-05-14	1900-10-06
1901	1901-06-06	1901-09-06
1902	1902-06-15	1902-09-01
1903	1903-04-30	1903-07-10
1904	1904-05-25	1904-09-03
1905	1905-06-16	1905-08-10
1906	1906-07-16	1906-09-10
1907	1907-06-18	1907-08-20
1908	1908-05-25	1908-09-10
1909	1909-06-22	1909-08-25
1910	1910-07-03	1910-09-06
1911	1911-05-21	1911-08-10
1912	1912-07-03	1912-07-15
1913	1913-06-16	1913-09-03

Every Fixed Threshold

Fixed thresholds at Windham 3 E
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	14	28	1901	15
35 C (95 F): Days	2	1	1901	1
90 F (32.2 C): Days	12	10	1900	6
0 C (32 F): Ice days (max	14	80	1904	29
0 C (32 F): Frost days (min	14	173	1907	146
-10 C (14 F): Days with min	14	74	1904	40
-20 C (-4 F): Days with min	14	18	1904	4
-30 C (-22 F): Days with min	4	3	1904	1
20 C (68 F): Tropical nights (min	12	5	1905	1
10 mm (0.39 in): Days with 10 mm or more rain	60	51	1996	42
25 mm (0.98 in): Days with 25 mm or more rain	60	21	1977	18
50 mm (1.97 in): Days with 50 mm or more rain	48	7	1955	5
100 mm (3.94 in): Days with 100 mm or more rain	15	2	1972	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1999	1
10 cm (3.9 in): Days with 10 cm or more snowfall	19	12	1977	3
25 cm (9.8 in): Days with 25 cm or more snowfall	13	4	1977	1
50 cm (19.7 in): Days with 50 cm or more snowfall	3	1	1977	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.

Download the Data

Data for Windham 3 E 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).

Windham 3 E Threshold Days by Year (USC00309516)

Key Facts for Windham 3 E Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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