Millville 2 SW Threshold Days by Year (USC00365817)

15 fixed thresholds counted per year at Millville 2 SW (USC00365817): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Millville 2 SW Thresholds

Millville 2 SW: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1972 with 44.
Millville 2 SW: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1952 with 14.
Millville 2 SW: days with 10 cm (3.9 in) or more of snowfall in 37 years, most in 1963 with 7.
Millville 2 SW: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 1983 with 44.
15 fixed thresholds have at least one qualifying day at Millville 2 SW.

Days at or above 30 C (86 F)

31 years with a qualifying day

Days per year at Millville 2 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 44 in 1983.

Days at or above 30 C (86 F) per year at Millville 2 SW
Year	Days	Decade average
1961	22	24.2
1962	18	24.2
1963	15	24.2
1964	34	24.2
1965	26	24.2
1966	43	24.2
1967	11	24.2
1968	30	24.2
1969	19	24.2
1970	27	22.3
1971	27	22.3
1972	18	22.3
1973	39	22.3
1974	11	22.3
1975	21	22.3
1976	16	22.3
1977	25	22.3
1978	19	22.3
1979	20	22.3
1980	40	24.8
1981	14	24.8
1982	17	24.8
1983	44	24.8
1984	16	24.8
1985	16	24.8
1986	17	24.8
1987	27	24.8
1988	43	24.8
1989	14	24.8
1990	17	29.5
1991	42	29.5

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

First to last qualifying date each year at Millville 2 SW
Year	First date	Last date
1961	1961-06-07	1961-09-26
1962	1962-04-28	1962-09-01
1963	1963-06-11	1963-07-30
1964	1964-05-20	1964-09-19
1965	1965-05-27	1965-09-23
1966	1966-06-06	1966-09-03
1967	1967-06-10	1967-07-11
1968	1968-06-07	1968-09-05
1969	1969-05-30	1969-09-02
1970	1970-06-03	1970-09-26
1971	1971-05-20	1971-09-12
1972	1972-05-25	1972-09-18
1973	1973-06-06	1973-09-06
1974	1974-04-30	1974-08-22
1975	1975-05-22	1975-08-27
1976	1976-04-18	1976-09-10
1977	1977-05-18	1977-09-03
1978	1978-06-03	1978-08-25
1979	1979-05-09	1979-09-05
1980	1980-06-25	1980-09-23
1981	1981-06-16	1981-08-22
1982	1982-05-08	1982-08-06
1983	1983-06-13	1983-09-21
1984	1984-06-08	1984-08-17
1985	1985-04-22	1985-09-08
1986	1986-05-19	1986-07-29
1987	1987-05-30	1987-08-20
1988	1988-06-01	1988-08-28
1989	1989-06-02	1989-09-11
1990	1990-04-27	1990-08-29
1991	1991-05-23	1991-09-18

Every Fixed Threshold

Fixed thresholds at Millville 2 SW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	31	44	1983	42
35 C (95 F): Days	9	7	1988	3
90 F (32.2 C): Days	31	33	1988	16
100 F (37.8 C): Days	2	2	1988	2
0 C (32 F): Ice days (max	31	62	1978	24
0 C (32 F): Frost days (min	31	171	1966	137
-10 C (14 F): Days with min	31	58	1977	22
-20 C (-4 F): Days with min	26	17	1963	4
20 C (68 F): Tropical nights (min	24	6	1972	1
10 mm (0.39 in): Days with 10 mm or more rain	41	44	1972	28
25 mm (0.98 in): Days with 25 mm or more rain	41	14	1952	11
50 mm (1.97 in): Days with 50 mm or more rain	24	4	1975	1
100 mm (3.94 in): Days with 100 mm or more rain	1	2	1972	2
10 cm (3.9 in): Days with 10 cm or more snowfall	37	7	1963	1
25 cm (9.8 in): Days with 25 cm or more snowfall	10	2	1961	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 Millville 2 SW 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).

Millville 2 SW Threshold Days by Year (USC00365817)

Key Facts for Millville 2 SW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related