Manzanita Lake Threshold Days by Year (USC00045311)

14 fixed thresholds counted per year at Manzanita Lake (USC00045311): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Manzanita Lake Thresholds

Manzanita Lake: days with 10 cm (3.9 in) or more of snowfall in 61 years, most in 1967 with 36.
Manzanita Lake: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1998 with 59.
Manzanita Lake: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 1983 with 21.
Manzanita Lake: days with a maximum temperature at or above 30 C (86 F) in 54 years, most in 1988 with 29.
14 fixed thresholds have at least one qualifying day at Manzanita Lake.

Days at or above 30 C (86 F)

54 years with a qualifying day

Days per year at Manzanita Lake with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 29 in 1988.

Days at or above 30 C (86 F) per year at Manzanita Lake
Year	Days	Decade average
1949	14	14
1950	26	11.8
1951	10	11.8
1952	10	11.8
1953	11	11.8
1954	11	11.8
1955	12	11.8
1956	9	11.8
1957	3	11.8
1958	9	11.8
1959	17	11.8
1960	19	12.7
1961	25	12.7
1962	5	12.7
1963	1	12.7
1964	13	12.7
1965	5	12.7
1966	22	12.7
1967	9	12.7
1968	12	12.7
1969	16	12.7
1970	13	10.2
1971	14	10.2
1972	22	10.2
1973	15	10.2
1974	11	10.2
1975	6	10.2
1976	6	10.2
1977	12	10.2
1978	1	10.2
1979	2	10.2
1980	7	9.2
1981	7	9.2
1982	2	9.2
1983	1	9.2
1984	13	9.2
1985	6	9.2
1986	4	9.2
1987	20	9.2
1988	29	9.2
1989	3	9.2
1990	11	11.1
1991	14	11.1
1992	11	11.1
1993	5	11.1
1994	13	11.1
1995	9	11.1
1996	19	11.1
1997	7	11.1
1998	19	11.1
1999	3	11.1
2000	7	13
2001	13	13
2002	19	13

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

First to last qualifying date each year at Manzanita Lake
Year	First date	Last date
1949	1949-07-10	1949-09-03
1950	1950-05-31	1950-09-04
1951	1951-06-18	1951-08-18
1952	1952-07-04	1952-10-03
1953	1953-07-12	1953-09-14
1954	1954-05-19	1954-08-01
1955	1955-06-08	1955-09-06
1956	1956-06-27	1956-07-25
1957	1957-06-26	1957-09-09
1958	1958-07-12	1958-09-01
1959	1959-06-19	1959-08-17
1960	1960-07-09	1960-08-20
1961	1961-06-15	1961-08-05
1962	1962-07-23	1962-08-16
1963	1963-08-08	1963-08-08
1964	1964-06-25	1964-08-25
1965	1965-07-07	1965-10-08
1966	1966-06-16	1966-09-07
1967	1967-07-01	1967-08-16
1968	1968-06-17	1968-09-01
1969	1969-07-19	1969-09-02
1970	1970-06-21	1970-08-15
1971	1971-07-16	1971-09-14
1972	1972-06-29	1972-08-28
1973	1973-06-27	1973-08-16
1974	1974-06-30	1974-09-20
1975	1975-06-15	1975-08-04
1976	1976-07-17	1976-09-02
1977	1977-06-06	1977-08-16
1978	1978-08-09	1978-08-09
1979	1979-07-19	1979-07-20
1980	1980-07-21	1980-10-03
1981	1981-08-08	1981-08-28
1982	1982-08-24	1982-08-25
1983	1983-08-07	1983-08-07
1984	1984-05-29	1984-08-10
1985	1985-06-16	1985-07-18
1986	1986-06-24	1986-08-05
1987	1987-06-14	1987-09-23
1988	1988-06-21	1988-09-06
1989	1989-07-07	1989-07-20
1990	1990-07-11	1990-08-09
1991	1991-07-03	1991-10-14
1992	1992-06-22	1992-08-19
1993	1993-08-01	1993-09-10
1994	1994-07-09	1994-08-16
1995	1995-06-26	1995-09-14
1996	1996-06-07	1996-08-31
1997	1997-07-21	1997-08-15
1998	1998-07-17	1998-09-05
1999	1999-07-12	1999-07-14
2000	2000-06-15	2000-09-20
2001	2001-06-21	2001-08-29
2002	2002-07-10	2002-08-17

Every Fixed Threshold

Fixed thresholds at Manzanita Lake
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	54	29	1988	19
35 C (95 F): Days	7	3	1972	1
90 F (32.2 C): Days	35	13	1988	5
0 C (32 F): Ice days (max	54	39	1949	4
0 C (32 F): Frost days (min	53	227	1985	43
-10 C (14 F): Days with min	53	56	1955	6
-20 C (-4 F): Days with min	16	5	1950	4
10 mm (0.39 in): Days with 10 mm or more rain	57	59	1998	7
25 mm (0.98 in): Days with 25 mm or more rain	57	21	1983	2
50 mm (1.97 in): Days with 50 mm or more rain	47	5	1969	2
100 mm (3.94 in): Days with 100 mm or more rain	8	1	1953	1
10 cm (3.9 in): Days with 10 cm or more snowfall	61	36	1967	4
25 cm (9.8 in): Days with 25 cm or more snowfall	53	12	1952	1
50 cm (19.7 in): Days with 50 cm or more snowfall	12	2	1993	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

Data for Manzanita Lake 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).

Manzanita Lake Threshold Days by Year (USC00045311)

Key Facts for Manzanita Lake Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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