Greenville Threshold Days by Year (USC00093915)

14 fixed thresholds counted per year at Greenville (USC00093915): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Greenville Thresholds

Greenville: days with 10 mm (0.39 in) or more of precipitation in 23 years, most in 1961 with 54.
Greenville: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 1964 with 25.
Greenville: days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 1964 with 9.
Greenville: days with a maximum temperature at or above 30 C (86 F) in 18 years, most in 1962 with 129.
14 fixed thresholds have at least one qualifying day at Greenville.

Days at or above 30 C (86 F)

18 years with a qualifying day

Days per year at Greenville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 129 in 1962.

Days at or above 30 C (86 F) per year at Greenville
Year	Days	Decade average
1961	83	96
1962	129	96
1964	85	96
1965	108	96
1966	81	96
1967	85	96
1968	93	96
1969	104	96
1971	106	91.3
1976	75	91.3
1979	93	91.3
1980	121	105.5
1981	101	105.5
1982	119	105.5
1989	81	105.5
1990	119	102.3
1991	85	102.3
1998	103	102.3

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

First to last qualifying date each year at Greenville
Year	First date	Last date
1961	1961-05-30	1961-11-02
1962	1962-04-26	1962-10-17
1964	1964-05-09	1964-09-24
1965	1965-04-06	1965-09-24
1966	1966-05-09	1966-09-11
1967	1967-04-03	1967-10-07
1968	1968-04-19	1968-10-02
1969	1969-05-06	1969-10-07
1971	1971-04-19	1971-10-05
1976	1976-04-19	1976-09-20
1979	1979-05-11	1979-09-16
1980	1980-04-22	1980-10-11
1981	1981-04-12	1981-10-07
1982	1982-03-18	1982-10-11
1989	1989-04-26	1989-10-08
1990	1990-04-30	1990-10-08
1991	1991-05-15	1991-09-18
1998	1998-05-14	1998-10-02

Every Fixed Threshold

Fixed thresholds at Greenville
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	18	129	1962	103
35 C (95 F): Days	14	34	1980	18
90 F (32.2 C): Days	18	84	1980	68
100 F (37.8 C): Days	6	9	1980	2
0 C (32 F): Ice days (max	7	3	1982	1
0 C (32 F): Frost days (min	17	86	1976	28
-10 C (14 F): Days with min	14	5	1962	1
20 C (68 F): Tropical nights (min	17	75	1991	74
25 C (77 F): Days with min	3	2	1968	3
10 mm (0.39 in): Days with 10 mm or more rain	23	54	1961	29
25 mm (0.98 in): Days with 25 mm or more rain	23	25	1964	13
50 mm (1.97 in): Days with 50 mm or more rain	23	9	1964	4
100 mm (3.94 in): Days with 100 mm or more rain	7	2	1961	1
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1965	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.

Download the Data

Data for Greenville 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).

Greenville Threshold Days by Year (USC00093915)

Key Facts for Greenville Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related