West Grove 1 SE Threshold Days by Year (USC00369503)

15 fixed thresholds counted per year at West Grove 1 SE (USC00369503): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for West Grove 1 SE Thresholds

West Grove 1 SE: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1975 with 52.
West Grove 1 SE: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1945 with 18.
West Grove 1 SE: days with 50 mm (1.97 in) or more of precipitation in 38 years, most in 1975 with 8.
West Grove 1 SE: days with 10 cm (3.9 in) or more of snowfall in 20 years, most in 1934 with 4.
15 fixed thresholds have at least one qualifying day at West Grove 1 SE.

Days at or above 30 C (86 F)

10 years with a qualifying day

Days per year at West Grove 1 SE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 48 in 1966.

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

First to last qualifying date each year at West Grove 1 SE
Year	First date	Last date
1964	1964-05-24	1964-09-12
1965	1965-05-04	1965-09-23
1966	1966-06-22	1966-09-06
1967	1967-06-11	1967-08-20
1969	1969-05-30	1969-09-08
1970	1970-05-10	1970-09-27
1971	1971-05-20	1971-09-11
1972	1972-07-03	1972-09-18
1973	1973-06-05	1973-09-06
1975	1975-05-22	1975-08-27

Every Fixed Threshold

Fixed thresholds at West Grove 1 SE
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	10	48	1966	26
35 C (95 F): Days	5	7	1966	1
90 F (32.2 C): Days	10	23	1966	10
100 F (37.8 C): Days	1	1	1966	1
0 C (32 F): Ice days (max	10	23	1967	13
0 C (32 F): Frost days (min	10	139	1969	111
-10 C (14 F): Days with min	10	26	1965	10
-20 C (-4 F): Days with min	1	1	1970	1
20 C (68 F): Tropical nights (min	10	25	1973	19
10 mm (0.39 in): Days with 10 mm or more rain	45	52	1975	52
25 mm (0.98 in): Days with 25 mm or more rain	45	18	1945	16
50 mm (1.97 in): Days with 50 mm or more rain	38	8	1975	8
100 mm (3.94 in): Days with 100 mm or more rain	8	1	1931	1
10 cm (3.9 in): Days with 10 cm or more snowfall	20	4	1934	3
25 cm (9.8 in): Days with 25 cm or more snowfall	7	2	1960	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

Data for West Grove 1 SE 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).

West Grove 1 SE Threshold Days by Year (USC00369503)

Key Facts for West Grove 1 SE Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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