Groom Creek Threshold Days by Year

16 fixed thresholds counted per year at Groom Creek (USC00023713): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Groom Creek Thresholds

Groom Creek: nights with a minimum temperature at or below 0 C (32 F) in 26 years, most in 1953 with 208.
Groom Creek: nights with a minimum temperature at or below -10 C (14 F) in 26 years, most in 1955 with 45.
Groom Creek: days with 10 mm (0.39 in) or more of precipitation in 26 years, most in 1965 with 37.
Groom Creek: days with 25 mm (0.98 in) or more of precipitation in 26 years, most in 1955 with 11.
16 fixed thresholds have at least one qualifying day at Groom Creek.

Days at or above 30 C (86 F)

24 years with a qualifying day

Days per year at Groom Creek with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 73 in 1944.

Days at or above 30 C (86 F) per year at Groom Creek
Year	Days	Decade average
1943	34	44.3
1944	73	44.3
1945	39	44.3
1946	31	44.3
1951	45	34.6
1952	53	34.6
1953	34	34.6
1954	31	34.6
1955	24	34.6
1956	40	34.6
1957	26	34.6
1958	27	34.6
1959	31	34.6
1960	55	31
1961	36	31
1962	38	31
1963	27	31
1964	25	31
1965	15	31
1966	39	31
1968	21	31
1969	23	31
1971	48	45
1973	42	45

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

First to last qualifying date each year at Groom Creek
Year	First date	Last date
1943	1943-05-31	1943-09-21
1944	1944-06-05	1944-09-23
1945	1945-04-20	1945-11-28
1946	1946-06-03	1946-08-03
1951	1951-05-25	1951-09-18
1952	1952-05-03	1952-09-18
1953	1953-06-12	1953-09-20
1954	1954-04-18	1954-09-21
1955	1955-06-06	1955-10-14
1956	1956-06-02	1956-09-26
1957	1957-06-03	1957-09-08
1958	1958-05-25	1958-08-31
1959	1959-06-11	1959-09-09
1960	1960-05-10	1960-09-26
1961	1961-06-13	1961-08-13
1962	1962-06-18	1962-09-19
1963	1963-06-17	1963-08-13
1964	1964-06-22	1964-09-11
1965	1965-07-02	1965-10-06
1966	1966-06-13	1966-09-08
1968	1968-06-01	1968-09-09
1969	1969-05-30	1969-08-23
1971	1971-06-14	1971-09-15
1973	1973-06-07	1973-09-10

Every Fixed Threshold

Fixed thresholds at Groom Creek
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	24	73	1944	42
35 C (95 F): Days	13	17	1944	4
40 C (104 F): Days	1	2	1944	2
90 F (32.2 C): Days	24	42	1944	16
100 F (37.8 C): Days	1	6	1944	6
0 C (32 F): Ice days (max	17	9	1960	2
0 C (32 F): Frost days (min	26	208	1953	171
-10 C (14 F): Days with min	26	45	1955	14
-20 C (-4 F): Days with min	5	2	1955	2
20 C (68 F): Tropical nights (min	1	0	n/a	3
10 mm (0.39 in): Days with 10 mm or more rain	26	37	1965	25
25 mm (0.98 in): Days with 25 mm or more rain	26	11	1955	2
50 mm (1.97 in): Days with 50 mm or more rain	12	3	1951	1
100 mm (3.94 in): Days with 100 mm or more rain	1	0	n/a	1
10 cm (3.9 in): Days with 10 cm or more snowfall	16	7	1952	5
25 cm (9.8 in): Days with 25 cm or more snowfall	10	2	1952	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1943.

Download the Data

Data for Groom Creek 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Groom Creek Threshold Days by Year

Key Facts for Groom Creek Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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