Placerville Ifg Threshold Days by Year (USC00046962)

16 fixed thresholds counted per year at Placerville Ifg (USC00046962): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Placerville Ifg Thresholds

Placerville Ifg: nights with a minimum temperature at or below 0 C (32 F) in 36 years, most in 1964 with 48.
Placerville Ifg: nights with a minimum temperature at or above 20 C (68 F) in 36 years, most in 1991 with 53.
Placerville Ifg: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1982 with 40.
Placerville Ifg: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1982 with 21.
16 fixed thresholds have at least one qualifying day at Placerville Ifg.

Days at or above 30 C (86 F)

30 years with a qualifying day

Days per year at Placerville Ifg with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 103 in 1981.

Days at or above 30 C (86 F) per year at Placerville Ifg
Year	Days	Decade average
1955	73	73
1956	62	73
1957	65	73
1958	83	73
1959	82	73
1960	84	78.2
1961	88	78.2
1962	82	78.2
1963	67	78.2
1964	71	78.2
1965	55	78.2
1966	79	78.2
1967	95	78.2
1968	78	78.2
1969	83	78.2
1970	101	83.9
1971	81	83.9
1972	80	83.9
1973	86	83.9
1974	95	83.9
1975	76	83.9
1976	74	83.9
1977	90	83.9
1978	72	83.9
1979	84	83.9
1981	103	86
1982	66	86
1986	82	86
1987	93	86
1991	103	103

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

First to last qualifying date each year at Placerville Ifg
Year	First date	Last date
1955	1955-05-22	1955-10-17
1956	1956-06-10	1956-10-06
1957	1957-06-03	1957-09-24
1958	1958-05-18	1958-10-17
1959	1959-06-05	1959-10-26
1960	1960-06-01	1960-09-28
1961	1961-06-14	1961-10-19
1962	1962-06-02	1962-10-02
1963	1963-06-16	1963-10-04
1964	1964-06-23	1964-10-22
1965	1965-05-29	1965-10-24
1966	1966-05-03	1966-10-10
1967	1967-05-17	1967-09-30
1968	1968-05-28	1968-09-28
1969	1969-05-29	1969-09-29
1970	1970-05-14	1970-10-03
1971	1971-06-15	1971-10-13
1972	1972-05-12	1972-09-15
1973	1973-05-12	1973-09-29
1974	1974-05-25	1974-10-18
1975	1975-05-29	1975-10-04
1976	1976-05-12	1976-11-03
1977	1977-05-31	1977-10-16
1978	1978-05-29	1978-10-14
1979	1979-05-14	1979-09-29
1981	1981-04-29	1981-09-21
1982	1982-05-23	1982-09-23
1986	1986-05-19	1986-09-07
1987	1987-04-16	1987-10-07
1991	1991-06-02	1991-10-22

Every Fixed Threshold

Fixed thresholds at Placerville Ifg
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	30	103	1981	103
35 C (95 F): Days	30	45	1981	27
40 C (104 F): Days	12	4	1961	2
90 F (32.2 C): Days	30	88	1981	71
100 F (37.8 C): Days	25	13	1961	5
0 C (32 F): Ice days (max	6	3	1964	3
0 C (32 F): Frost days (min	36	48	1964	11
-10 C (14 F): Days with min	3	1	1972	2
20 C (68 F): Tropical nights (min	36	53	1991	53
25 C (77 F): Days with min	19	6	1978	4
10 mm (0.39 in): Days with 10 mm or more rain	32	40	1982	15
25 mm (0.98 in): Days with 25 mm or more rain	32	21	1982	9
50 mm (1.97 in): Days with 50 mm or more rain	27	11	1982	3
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1963	1
10 cm (3.9 in): Days with 10 cm or more snowfall	15	4	1982	1
25 cm (9.8 in): Days with 25 cm or more snowfall	4	1	1959	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1955.

Download the Data

Data for Placerville Ifg 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).

Placerville Ifg Threshold Days by Year (USC00046962)

Key Facts for Placerville Ifg Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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