Swainsboro Threshold Days by Year (USC00098496)

15 fixed thresholds counted per year at Swainsboro (USC00098496): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Swainsboro Thresholds

Swainsboro: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1994 with 54.
Swainsboro: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1947 with 26.
Swainsboro: days with 50 mm (1.97 in) or more of precipitation in 41 years, most in 1947 with 7.
Swainsboro: nights with a minimum temperature at or below 0 C (32 F) in 32 years, most in 1968 with 69.
15 fixed thresholds have at least one qualifying day at Swainsboro.

Days at or above 30 C (86 F)

29 years with a qualifying day

Days per year at Swainsboro with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 158 in 1998.

Days at or above 30 C (86 F) per year at Swainsboro
Year	Days	Decade average
1947	130	130
1955	136	137.7
1958	141	137.7
1959	136	137.7
1960	125	114.9
1961	96	114.9
1962	134	114.9
1963	121	114.9
1966	100	114.9
1967	114	114.9
1968	127	114.9
1969	102	114.9
1970	131	124.3
1971	129	124.3
1972	128	124.3
1973	103	124.3
1974	128	124.3
1975	118	124.3
1976	107	124.3
1977	141	124.3
1978	144	124.3
1979	114	124.3
1991	123	127.1
1992	102	127.1
1993	138	127.1
1994	111	127.1
1995	126	127.1
1996	132	127.1
1998	158	127.1

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

First to last qualifying date each year at Swainsboro
Year	First date	Last date
1947	1947-04-05	1947-10-27
1955	1955-03-03	1955-10-13
1958	1958-04-19	1958-11-16
1959	1959-04-08	1959-11-05
1960	1960-04-17	1960-10-18
1961	1961-04-25	1961-11-03
1962	1962-04-10	1962-10-23
1963	1963-03-12	1963-10-27
1966	1966-04-01	1966-10-18
1967	1967-03-12	1967-10-16
1968	1968-03-20	1968-10-15
1969	1969-04-03	1969-10-08
1970	1970-04-19	1970-10-15
1971	1971-04-18	1971-10-08
1972	1972-04-13	1972-10-23
1973	1973-03-14	1973-10-06
1974	1974-03-08	1974-10-16
1975	1975-04-26	1975-11-02
1976	1976-03-02	1976-09-28
1977	1977-03-15	1977-10-02
1978	1978-04-01	1978-10-27
1979	1979-04-12	1979-10-02
1991	1991-04-28	1991-09-25
1992	1992-04-24	1992-09-23
1993	1993-04-13	1993-10-22
1994	1994-03-27	1994-09-30
1995	1995-04-10	1995-10-06
1996	1996-04-15	1996-10-30
1998	1998-05-01	1998-10-07

Every Fixed Threshold

Fixed thresholds at Swainsboro
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	29	158	1998	158
35 C (95 F): Days	28	76	1998	76
40 C (104 F): Days	2	3	1998	3
90 F (32.2 C): Days	29	131	1998	131
100 F (37.8 C): Days	15	19	1998	19
0 C (32 F): Ice days (max	3	2	1977	2
0 C (32 F): Frost days (min	32	69	1968	51
-10 C (14 F): Days with min	12	5	1970	1
20 C (68 F): Tropical nights (min	32	110	1991	82
25 C (77 F): Days with min	7	1	1971	1
10 mm (0.39 in): Days with 10 mm or more rain	42	54	1994	32
25 mm (0.98 in): Days with 25 mm or more rain	42	26	1947	17
50 mm (1.97 in): Days with 50 mm or more rain	41	7	1947	3
100 mm (3.94 in): Days with 100 mm or more rain	9	1	1947	1
10 cm (3.9 in): Days with 10 cm or more snowfall	1	1	1973	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1947.

Download the Data

Data for Swainsboro 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).

Swainsboro Threshold Days by Year (USC00098496)

Key Facts for Swainsboro Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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