Gavins Point Dam Threshold Days by Year (USC00253165)

17 fixed thresholds counted per year at Gavins Point Dam (USC00253165): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Gavins Point Dam Thresholds

Gavins Point Dam: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1977 with 28.
Gavins Point Dam: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1992 with 11.
Gavins Point Dam: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 1988 with 78.
Gavins Point Dam: days with a maximum temperature at or above 90 F (32.2 C) in 33 years, most in 1988 with 53.
17 fixed thresholds have at least one qualifying day at Gavins Point Dam.

Days at or above 30 C (86 F)

33 years with a qualifying day

Days per year at Gavins Point Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 78 in 1988.

Days at or above 30 C (86 F) per year at Gavins Point Dam
Year	Days	Decade average
1961	48	46.7
1962	38	46.7
1963	57	46.7
1964	54	46.7
1965	37	46.7
1966	53	46.7
1967	40	46.7
1968	51	46.7
1969	42	46.7
1970	64	54.5
1971	48	54.5
1972	42	54.5
1973	55	54.5
1974	52	54.5
1975	62	54.5
1976	69	54.5
1977	47	54.5
1978	57	54.5
1979	49	54.5
1980	68	56.1
1981	51	56.1
1982	40	56.1
1983	65	56.1
1984	39	56.1
1985	44	56.1
1987	66	56.1
1988	78	56.1
1989	54	56.1
1990	52	30
1991	53	30
1992	10	30
1993	13	30
1994	22	30

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

First to last qualifying date each year at Gavins Point Dam
Year	First date	Last date
1961	1961-06-01	1961-10-07
1962	1962-04-25	1962-10-11
1963	1963-04-02	1963-10-06
1964	1964-04-17	1964-09-10
1965	1965-04-30	1965-08-26
1966	1966-05-06	1966-09-11
1967	1967-05-23	1967-10-04
1968	1968-04-12	1968-09-15
1969	1969-05-16	1969-09-15
1970	1970-05-08	1970-09-30
1971	1971-06-04	1971-09-14
1972	1972-05-17	1972-09-20
1973	1973-05-21	1973-09-02
1974	1974-05-21	1974-10-11
1975	1975-05-18	1975-10-13
1976	1976-04-16	1976-10-01
1977	1977-04-10	1977-09-24
1978	1978-03-31	1978-09-27
1979	1979-05-29	1979-09-28
1980	1980-04-21	1980-10-10
1981	1981-04-03	1981-09-21
1982	1982-06-24	1982-09-29
1983	1983-05-28	1983-10-28
1984	1984-06-01	1984-09-20
1985	1985-04-12	1985-09-19
1987	1987-04-18	1987-09-27
1988	1988-04-08	1988-09-26
1989	1989-04-22	1989-10-01
1990	1990-04-22	1990-10-03
1991	1991-04-06	1991-09-30
1992	1992-05-01	1992-10-02
1993	1993-06-17	1993-09-13
1994	1994-05-20	1994-09-15

Every Fixed Threshold

Fixed thresholds at Gavins Point Dam
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	33	78	1988	22
35 C (95 F): Days	31	29	1988	1
40 C (104 F): Days	8	5	1974	1
90 F (32.2 C): Days	33	53	1988	5
100 F (37.8 C): Days	25	15	1988	3
0 C (32 F): Ice days (max	33	87	1978	74
0 C (32 F): Frost days (min	33	173	1993	161
-10 C (14 F): Days with min	33	89	1978	79
-20 C (-4 F): Days with min	33	40	1978	23
-30 C (-22 F): Days with min	12	3	1974	2
20 C (68 F): Tropical nights (min	32	37	1963	1
25 C (77 F): Days with min	13	7	1988	2
10 mm (0.39 in): Days with 10 mm or more rain	34	28	1977	18
25 mm (0.98 in): Days with 25 mm or more rain	34	11	1992	7
50 mm (1.97 in): Days with 50 mm or more rain	23	4	1983	1
10 cm (3.9 in): Days with 10 cm or more snowfall	13	4	1982	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1988	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.

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Data for Gavins Point Dam 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).

Gavins Point Dam Threshold Days by Year (USC00253165)

Key Facts for Gavins Point Dam Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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