Volta Ph Threshold Days by Year (USC00049390)

18 fixed thresholds counted per year at Volta Ph (USC00049390): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Volta Ph Thresholds

Volta Ph: days with 10 mm (0.39 in) or more of precipitation in 85 years, most in 1998 with 60.
Volta Ph: days with 25 mm (0.98 in) or more of precipitation in 85 years, most in 2016 with 17.
Volta Ph: days with 50 mm (1.97 in) or more of precipitation in 54 years, most in 1937 with 5.
Volta Ph: days with 10 cm (3.9 in) or more of snowfall in 34 years, most in 1950 with 5.
18 fixed thresholds have at least one qualifying day at Volta Ph.

Days at or above 30 C (86 F)

29 years with a qualifying day

Days per year at Volta Ph with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 118 in 1960.

Days at or above 30 C (86 F) per year at Volta Ph
Year	Days	Decade average
1945	109	95.8
1946	92	95.8
1947	107	95.8
1948	72	95.8
1949	99	95.8
1950	103	96.9
1951	108	96.9
1952	112	96.9
1953	87	96.9
1954	88	96.9
1955	89	96.9
1956	88	96.9
1957	95	96.9
1958	101	96.9
1959	98	96.9
1960	118	97
1961	100	97
1962	96	97
1963	80	97
1964	93	97
1965	84	97
1966	102	97
1967	107	97
1968	90	97
1969	100	97
1970	113	104
1971	96	104
1972	103	104
1973	104	104

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

First to last qualifying date each year at Volta Ph
Year	First date	Last date
1945	1945-04-19	1945-10-15
1946	1946-04-23	1946-10-12
1947	1947-04-12	1947-10-05
1948	1948-06-22	1948-09-16
1949	1949-05-11	1949-11-01
1950	1950-05-14	1950-10-13
1951	1951-04-09	1951-10-07
1952	1952-05-17	1952-10-14
1953	1953-06-17	1953-10-07
1954	1954-04-15	1954-10-15
1955	1955-05-19	1955-11-10
1956	1956-05-16	1956-10-07
1957	1957-05-27	1957-09-24
1958	1958-05-09	1958-10-16
1959	1959-05-11	1959-10-25
1960	1960-05-28	1960-10-01
1961	1961-06-13	1961-10-18
1962	1962-06-08	1962-10-31
1963	1963-05-20	1963-10-03
1964	1964-06-13	1964-10-23
1965	1965-05-28	1965-10-25
1966	1966-05-03	1966-11-01
1967	1967-05-17	1967-11-01
1968	1968-05-27	1968-10-23
1969	1969-05-05	1969-09-27
1970	1970-05-15	1970-10-04
1971	1971-06-15	1971-10-13
1972	1972-05-12	1972-10-04
1973	1973-05-11	1973-09-30

Every Fixed Threshold

Fixed thresholds at Volta Ph
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	29	118	1960	104
35 C (95 F): Days	29	61	1967	46
40 C (104 F): Days	15	9	1950	2
45 C (113 F): Days	1	1	1971	1
90 F (32.2 C): Days	29	100	1960	84
100 F (37.8 C): Days	27	30	1959	11
110 F (43.3 C): Days	3	3	1971	1
0 C (32 F): Ice days (max	1	1	1949	1
0 C (32 F): Frost days (min	29	72	1971	45
-10 C (14 F): Days with min	3	5	1972	5
20 C (68 F): Tropical nights (min	29	21	1950	10
25 C (77 F): Days with min	3	2	1950	2
10 mm (0.39 in): Days with 10 mm or more rain	85	60	1998	1
25 mm (0.98 in): Days with 25 mm or more rain	85	17	2016	1
50 mm (1.97 in): Days with 50 mm or more rain	54	5	1937	2
100 mm (3.94 in): Days with 100 mm or more rain	2	2	1937	1
10 cm (3.9 in): Days with 10 cm or more snowfall	34	5	1950	1
25 cm (9.8 in): Days with 25 cm or more snowfall	2	2	1950	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

Data for Volta Ph 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Volta Ph Threshold Days by Year (USC00049390)

Key Facts for Volta Ph Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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