O C Fisher Dam Threshold Days by Year (USC00416499)

16 fixed thresholds counted per year at O C Fisher Dam (USC00416499): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for O C Fisher Dam Thresholds

O C Fisher Dam: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1990 with 29.
O C Fisher Dam: days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 1990 with 15.
O C Fisher Dam: days with a maximum temperature at or above 30 C (86 F) in 22 years, most in 1989 with 168.
O C Fisher Dam: days with a maximum temperature at or above 35 C (95 F) in 22 years, most in 1996 with 84.
16 fixed thresholds have at least one qualifying day at O C Fisher Dam.

Days at or above 30 C (86 F)

22 years with a qualifying day

Days per year at O C Fisher Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 168 in 1989.

Days at or above 30 C (86 F) per year at O C Fisher Dam
Year	Days	Decade average
1976	108	133
1977	139	133
1978	147	133
1979	138	133
1980	133	139.7
1981	131	139.7
1982	143	139.7
1983	143	139.7
1984	136	139.7
1985	137	139.7
1986	141	139.7
1987	117	139.7
1988	148	139.7
1989	168	139.7
1990	125	137.3
1991	141	137.3
1992	128	137.3
1993	143	137.3
1994	147	137.3
1995	122	137.3
1996	159	137.3
1997	133	137.3

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

First to last qualifying date each year at O C Fisher Dam
Year	First date	Last date
1976	1976-02-10	1976-10-04
1977	1977-03-15	1977-11-16
1978	1978-03-21	1978-10-13
1979	1979-02-15	1979-10-28
1980	1980-04-07	1980-11-10
1981	1981-04-10	1981-11-19
1982	1982-03-12	1982-10-20
1983	1983-03-03	1983-10-12
1984	1984-04-10	1984-09-26
1985	1985-03-12	1985-09-28
1986	1986-02-19	1986-10-04
1987	1987-04-12	1987-11-05
1988	1988-03-11	1988-11-10
1989	1989-02-27	1989-11-15
1990	1990-03-23	1990-10-18
1991	1991-03-05	1991-10-24
1992	1992-03-09	1992-11-01
1993	1993-04-11	1993-10-18
1994	1994-03-07	1994-10-23
1995	1995-03-20	1995-10-27
1996	1996-02-11	1996-11-21
1997	1997-03-14	1997-11-01

Every Fixed Threshold

Fixed thresholds at O C Fisher Dam
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	22	168	1989	133
35 C (95 F): Days	22	84	1996	77
40 C (104 F): Days	13	12	1994	10
90 F (32.2 C): Days	22	125	1984	112
100 F (37.8 C): Days	20	37	1996	10
110 F (43.3 C): Days	2	2	1994	1
0 C (32 F): Ice days (max	19	12	1985	2
0 C (32 F): Frost days (min	21	100	1988	65
-10 C (14 F): Days with min	19	14	1989	5
20 C (68 F): Tropical nights (min	21	109	1977	80
25 C (77 F): Days with min	10	8	1994	4
10 mm (0.39 in): Days with 10 mm or more rain	25	29	1990	11
25 mm (0.98 in): Days with 25 mm or more rain	25	15	1990	5
50 mm (1.97 in): Days with 50 mm or more rain	16	3	1980	2
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1980	1
10 cm (3.9 in): Days with 10 cm or more snowfall	2	1	1982	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1976.

Download the Data

Data for O C Fisher 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).

O C Fisher Dam Threshold Days by Year (USC00416499)

Key Facts for O C Fisher Dam Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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