Grover 2 S Threshold Days by Year (USC00484095)

14 fixed thresholds counted per year at Grover 2 S (USC00484095): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Grover 2 S Thresholds

Grover 2 S: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 1940 with 38.
Grover 2 S: days with a maximum temperature at or below 0 C (32 F) in 37 years, most in 1944 with 101.
Grover 2 S: nights with a minimum temperature at or below 0 C (32 F) in 35 years, most in 1935 with 314.
Grover 2 S: nights with a minimum temperature at or below -10 C (14 F) in 35 years, most in 1935 with 149.
14 fixed thresholds have at least one qualifying day at Grover 2 S.

Days at or above 30 C (86 F)

37 years with a qualifying day

Days per year at Grover 2 S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 38 in 1940.

Days at or above 30 C (86 F) per year at Grover 2 S
Year	Days	Decade average
1904	12	9
1906	6	9
1910	18	16.8
1912	8	16.8
1913	12	16.8
1917	29	16.8
1920	13	14.5
1921	21	14.5
1924	19	14.5
1925	12	14.5
1926	17	14.5
1927	6	14.5
1928	9	14.5
1929	19	14.5
1931	27	22.9
1932	13	22.9
1933	29	22.9
1934	31	22.9
1935	22	22.9
1936	27	22.9
1938	4	22.9
1939	30	22.9
1940	38	17.5
1942	22	17.5
1944	5	17.5
1945	10	17.5
1946	20	17.5
1947	15	17.5
1948	17	17.5
1949	13	17.5
1950	6	11.1
1951	9	11.1
1952	6	11.1
1953	14	11.1
1954	16	11.1
1955	17	11.1
1956	10	11.1

For each year, a bar from the first to the last day at Grover 2 S meeting 30 C (86 F).

First to last qualifying date each year at Grover 2 S
Year	First date	Last date
1904	1904-07-10	1904-09-08
1906	1906-07-21	1906-08-17
1910	1910-06-26	1910-08-20
1912	1912-06-28	1912-09-03
1913	1913-07-06	1913-08-29
1917	1917-07-05	1917-09-09
1920	1920-07-09	1920-08-23
1921	1921-06-12	1921-08-27
1924	1924-07-01	1924-09-04
1925	1925-06-28	1925-08-07
1926	1926-06-26	1926-08-28
1927	1927-06-25	1927-07-22
1928	1928-07-13	1928-09-06
1929	1929-06-28	1929-08-31
1931	1931-06-15	1931-09-04
1932	1932-07-17	1932-08-23
1933	1933-07-04	1933-09-07
1934	1934-07-09	1934-08-28
1935	1935-07-12	1935-08-14
1936	1936-06-20	1936-08-15
1938	1938-07-31	1938-08-25
1939	1939-06-27	1939-08-28
1940	1940-06-16	1940-08-31
1942	1942-07-04	1942-08-23
1944	1944-07-17	1944-08-23
1945	1945-07-21	1945-09-01
1946	1946-07-12	1946-08-20
1947	1947-07-15	1947-09-05
1948	1948-07-10	1948-09-14
1949	1949-07-02	1949-08-21
1950	1950-08-31	1950-09-06
1951	1951-07-14	1951-08-18
1952	1952-07-23	1952-09-03
1953	1953-07-08	1953-08-20
1954	1954-06-22	1954-09-01
1955	1955-07-14	1955-09-06
1956	1956-07-09	1956-09-19

Every Fixed Threshold

Fixed thresholds at Grover 2 S
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	37	38	1940	10
35 C (95 F): Days	6	4	1931	2
90 F (32.2 C): Days	30	14	1934	1
0 C (32 F): Ice days (max	37	101	1944	80
0 C (32 F): Frost days (min	35	314	1935	252
-10 C (14 F): Days with min	35	149	1935	109
-20 C (-4 F): Days with min	35	64	1944	47
-30 C (-22 F): Days with min	33	22	1932	7
-40 C (-40 F): Days with min	8	5	1924	2
20 C (68 F): Tropical nights (min	1	1	1917	1
10 mm (0.39 in): Days with 10 mm or more rain	31	19	1945	7
25 mm (0.98 in): Days with 25 mm or more rain	19	4	1906	2
50 mm (1.97 in): Days with 50 mm or more rain	2	1	1906	1
10 cm (3.9 in): Days with 10 cm or more snowfall	7	10	1948	5

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 Grover 2 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).

Grover 2 S Threshold Days by Year (USC00484095)

Key Facts for Grover 2 S Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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