Grove Threshold Days by Year (USC00343794)

19 fixed thresholds counted per year at Grove (USC00343794): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Grove Thresholds

Grove: days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 1973 with 54.
Grove: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1941 with 22.
Grove: days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 1941 with 7.
Grove: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 1956 with 134.
19 fixed thresholds have at least one qualifying day at Grove.

Days at or above 30 C (86 F)

25 years with a qualifying day

Days per year at Grove with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 134 in 1956.

Days at or above 30 C (86 F) per year at Grove
Year	Days	Decade average
1936	122	112.5
1937	101	112.5
1938	115	112.5
1939	112	112.5
1940	85	86.7
1941	90	86.7
1942	87	86.7
1943	90	86.7
1944	94	86.7
1945	75	86.7
1946	82	86.7
1948	97	86.7
1949	80	86.7
1953	124	109
1954	124	109
1955	108	109
1956	134	109
1957	88	109
1958	91	109
1959	94	109
1960	99	83.5
1961	68	83.5
1972	94	81.7
1973	80	81.7
1974	71	81.7

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

First to last qualifying date each year at Grove
Year	First date	Last date
1936	1936-04-12	1936-09-23
1937	1937-04-17	1937-10-31
1938	1938-04-30	1938-10-28
1939	1939-05-10	1939-10-25
1940	1940-03-31	1940-10-05
1941	1941-04-12	1941-10-20
1942	1942-05-27	1942-10-15
1943	1943-04-04	1943-09-22
1944	1944-05-14	1944-10-25
1945	1945-05-13	1945-09-23
1946	1946-03-31	1946-10-10
1948	1948-04-06	1948-09-23
1949	1949-04-24	1949-10-20
1953	1953-04-22	1953-10-03
1954	1954-04-06	1954-10-11
1955	1955-04-15	1955-09-29
1956	1956-04-14	1956-10-12
1957	1957-05-15	1957-10-03
1958	1958-04-23	1958-10-09
1959	1959-04-30	1959-09-28
1960	1960-04-06	1960-10-11
1961	1961-05-29	1961-10-12
1972	1972-04-12	1972-09-28
1973	1973-05-21	1973-10-09
1974	1974-04-01	1974-09-01

Every Fixed Threshold

Fixed thresholds at Grove
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	25	134	1956	71
35 C (95 F): Days	24	90	1954	22
40 C (104 F): Days	11	44	1954	2
45 C (113 F): Days	3	8	1954	1
90 F (32.2 C): Days	25	109	1954	52
100 F (37.8 C): Days	19	66	1954	5
110 F (43.3 C): Days	3	13	1954	7
0 C (32 F): Ice days (max	25	20	1940	15
0 C (32 F): Frost days (min	25	114	1960	87
-10 C (14 F): Days with min	25	22	1936	10
-20 C (-4 F): Days with min	7	3	1940	1
20 C (68 F): Tropical nights (min	25	82	1954	25
25 C (77 F): Days with min	12	23	1936	2
10 mm (0.39 in): Days with 10 mm or more rain	31	54	1973	39
25 mm (0.98 in): Days with 25 mm or more rain	31	22	1941	18
50 mm (1.97 in): Days with 50 mm or more rain	29	7	1941	7
100 mm (3.94 in): Days with 100 mm or more rain	12	3	1957	1
10 cm (3.9 in): Days with 10 cm or more snowfall	17	3	1944	3
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1941	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.

Download the Data

Data for Grove 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).

Grove Threshold Days by Year (USC00343794)

Key Facts for Grove Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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