Powers Threshold Days by Year (USC00356820)

13 fixed thresholds counted per year at Powers (USC00356820): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Powers Thresholds

Powers: days with 10 mm (0.39 in) or more of precipitation in 82 years, most in 1996 with 78.
Powers: days with 25 mm (0.98 in) or more of precipitation in 82 years, most in 1996 with 32.
Powers: days with 50 mm (1.97 in) or more of precipitation in 72 years, most in 1937 with 10.
Powers: nights with a minimum temperature at or below 0 C (32 F) in 66 years, most in 1985 with 73.
13 fixed thresholds have at least one qualifying day at Powers.

Days at or above 30 C (86 F)

64 years with a qualifying day

Days per year at Powers with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 38 in 1996.

Days at or above 30 C (86 F) per year at Powers
Year	Days	Decade average
1933	8	18.9
1934	10	18.9
1935	21	18.9
1936	17	18.9
1937	17	18.9
1938	25	18.9
1939	34	18.9
1940	18	14.7
1941	15	14.7
1942	17	14.7
1943	16	14.7
1944	16	14.7
1945	21	14.7
1946	9	14.7
1947	13	14.7
1949	7	14.7
1950	14	8.9
1951	5	8.9
1952	12	8.9
1953	7	8.9
1955	3	8.9
1956	11	8.9
1957	8	8.9
1958	12	8.9
1959	8	8.9
1960	6	12.4
1961	9	12.4
1964	13	12.4
1965	9	12.4
1966	12	12.4
1967	30	12.4
1968	9	12.4
1969	11	12.4
1970	16	15.7
1971	7	15.7
1972	25	15.7
1973	13	15.7
1974	26	15.7
1975	17	15.7
1976	12	15.7
1977	13	15.7
1978	15	15.7
1979	13	15.7
1980	8	14.2
1981	13	14.2
1982	8	14.2
1983	7	14.2
1984	14	14.2
1985	15	14.2
1986	17	14.2
1987	25	14.2
1988	22	14.2
1989	13	14.2
1990	14	24.3
1991	32	24.3
1992	34	24.3
1993	16	24.3
1994	10	24.3
1995	20	24.3
1996	38	24.3
1999	30	24.3
2000	26	15.7
2005	12	15.7
2007	9	15.7

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

First to last qualifying date each year at Powers
Year	First date	Last date
1933	1933-07-14	1933-10-06
1934	1934-03-09	1934-10-08
1935	1935-04-27	1935-09-28
1936	1936-05-09	1936-10-17
1937	1937-06-04	1937-10-22
1938	1938-05-21	1938-09-13
1939	1939-05-12	1939-10-12
1940	1940-06-11	1940-10-19
1941	1941-05-10	1941-09-30
1942	1942-05-20	1942-10-05
1943	1943-07-20	1943-10-05
1944	1944-05-03	1944-10-17
1945	1945-04-30	1945-10-06
1946	1946-07-10	1946-09-23
1947	1947-04-13	1947-09-29
1949	1949-05-06	1949-10-30
1950	1950-06-02	1950-09-21
1951	1951-04-11	1951-10-08
1952	1952-07-07	1952-10-04
1953	1953-05-04	1953-09-18
1955	1955-06-08	1955-09-05
1956	1956-05-15	1956-10-06
1957	1957-07-10	1957-09-22
1958	1958-07-04	1958-10-03
1959	1959-07-18	1959-09-09
1960	1960-06-04	1960-08-17
1961	1961-06-15	1961-10-13
1964	1964-06-23	1964-10-20
1965	1965-07-24	1965-10-01
1966	1966-06-15	1966-09-30
1967	1967-06-29	1967-09-27
1968	1968-06-25	1968-09-30
1969	1969-05-18	1969-09-09
1970	1970-06-01	1970-10-03
1971	1971-07-20	1971-10-09
1972	1972-05-13	1972-10-08
1973	1973-06-21	1973-09-11
1974	1974-06-30	1974-10-17
1975	1975-05-14	1975-10-01
1976	1976-05-13	1976-10-13
1977	1977-06-06	1977-08-17
1978	1978-05-20	1978-10-19
1979	1979-05-26	1979-10-10
1980	1980-07-21	1980-10-05
1981	1981-04-30	1981-09-15
1982	1982-05-25	1982-09-06
1983	1983-05-23	1983-09-22
1984	1984-05-29	1984-09-29
1985	1985-06-11	1985-10-05
1986	1986-05-26	1986-09-06
1987	1987-04-27	1987-10-28
1988	1988-06-25	1988-10-02
1989	1989-04-10	1989-09-24
1990	1990-05-05	1990-09-22
1991	1991-07-03	1991-10-16
1992	1992-04-30	1992-10-12
1993	1993-07-28	1993-10-27
1994	1994-07-20	1994-10-09
1995	1995-06-28	1995-10-15
1996	1996-06-03	1996-10-10
1999	1999-04-16	1999-10-12
2000	2000-04-08	2000-10-07
2005	2005-05-25	2005-09-26
2007	2007-05-07	2007-10-23

Every Fixed Threshold

Fixed thresholds at Powers
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	64	38	1996	9
35 C (95 F): Days	50	10	1991	1
40 C (104 F): Days	2	1	1978	1
90 F (32.2 C): Days	63	20	1991	4
100 F (37.8 C): Days	21	3	1939	1
0 C (32 F): Ice days (max	2	2	1972	2
0 C (32 F): Frost days (min	66	73	1985	37
-10 C (14 F): Days with min	9	5	1949	3
10 mm (0.39 in): Days with 10 mm or more rain	82	78	1996	18
25 mm (0.98 in): Days with 25 mm or more rain	82	32	1996	7
50 mm (1.97 in): Days with 50 mm or more rain	72	10	1937	3
100 mm (3.94 in): Days with 100 mm or more rain	13	2	2012	2
10 cm (3.9 in): Days with 10 cm or more snowfall	8	2	1935	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1933.

Download the Data

Data for Powers 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Powers Threshold Days by Year (USC00356820)

Key Facts for Powers Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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