San Diego Miramar NAS Threshold Days by Year (USW00093107)

12 fixed thresholds counted per year at San Diego Miramar NAS (USW00093107): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for San Diego Miramar NAS Thresholds

San Diego Miramar NAS: days with a maximum temperature at or above 30 C (86 F) in 61 years, most in 2015 with 81.
San Diego Miramar NAS: days with a maximum temperature at or above 90 F (32.2 C) in 61 years, most in 2015 with 47.
San Diego Miramar NAS: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1978 with 24.
San Diego Miramar NAS: nights with a minimum temperature at or above 20 C (68 F) in 56 years, most in 2015 with 56.
12 fixed thresholds have at least one qualifying day at San Diego Miramar NAS.

Days at or above 30 C (86 F)

61 years with a qualifying day

Days per year at San Diego Miramar NAS with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 81 in 2015.

Days at or above 30 C (86 F) per year at San Diego Miramar NAS
Year	Days	Decade average
1948	10	10
1950	11	19.7
1951	13	19.7
1952	22	19.7
1953	20	19.7
1954	14	19.7
1955	17	19.7
1956	27	19.7
1957	20	19.7
1958	28	19.7
1959	25	19.7
1960	31	27.6
1961	28	27.6
1962	21	27.6
1963	22	27.6
1964	33	27.6
1965	30	27.6
1966	39	27.6
1967	29	27.6
1968	24	27.6
1969	19	27.6
1970	23	24.8
1971	28	24.8
1972	19	24.8
1973	23	24.8
1974	13	24.8
1975	13	24.8
1976	24	24.8
1977	19	24.8
1978	38	24.8
1979	48	24.8
1980	33	40.4
1981	47	40.4
1982	46	40.4
1983	50	40.4
1984	58	40.4
1985	42	40.4
1986	27	40.4
1987	26	40.4
1988	38	40.4
1989	37	40.4
1990	55	39
1991	29	39
1992	57	39
1993	28	39
1994	40	39
1995	45	39
1996	30	39
1997	44	39
1998	23	39
2002	19	36
2008	48	36
2009	41	36
2010	25	42.5
2011	19	42.5
2012	50	42.5
2013	27	42.5
2014	53	42.5
2015	81	42.5
2025	17	29.5
2026	42	29.5

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

First to last qualifying date each year at San Diego Miramar NAS
Year	First date	Last date
1948	1948-04-15	1948-10-08
1950	1950-07-06	1950-11-22
1951	1951-07-17	1951-10-09
1952	1952-07-26	1952-11-04
1953	1953-05-04	1953-12-13
1954	1954-07-06	1954-10-15
1955	1955-08-02	1955-10-30
1956	1956-05-14	1956-11-11
1957	1957-06-03	1957-08-27
1958	1958-04-20	1958-12-11
1959	1959-04-01	1959-11-24
1960	1960-04-02	1960-12-20
1961	1961-01-16	1961-11-07
1962	1962-04-06	1962-11-01
1963	1963-02-03	1963-12-29
1964	1964-03-17	1964-11-30
1965	1965-01-17	1965-12-05
1966	1966-03-31	1966-11-02
1967	1967-05-14	1967-11-13
1968	1968-03-04	1968-10-25
1969	1969-07-03	1969-11-01
1970	1970-05-02	1970-10-01
1971	1971-02-12	1971-10-11
1972	1972-07-26	1972-10-06
1973	1973-05-28	1973-11-11
1974	1974-06-26	1974-11-12
1975	1975-07-10	1975-11-13
1976	1976-01-16	1976-11-17
1977	1977-02-12	1977-11-25
1978	1978-03-16	1978-11-04
1979	1979-05-11	1979-12-06
1980	1980-02-26	1980-12-16
1981	1981-02-17	1981-11-02
1982	1982-05-17	1982-11-03
1983	1983-01-08	1983-11-04
1984	1984-04-14	1984-10-13
1985	1985-02-14	1985-11-02
1986	1986-01-13	1986-11-11
1987	1987-03-04	1987-10-26
1988	1988-02-09	1988-10-16
1989	1989-02-22	1989-11-19
1990	1990-05-05	1990-11-23
1991	1991-04-04	1991-11-25
1992	1992-01-24	1992-11-03
1993	1993-04-21	1993-11-03
1994	1994-04-12	1994-10-31
1995	1995-02-02	1995-11-29
1996	1996-01-11	1996-11-10
1997	1997-03-10	1997-11-03
1998	1998-07-16	1998-10-07
2002	2002-02-21	2002-11-21
2008	2008-03-23	2008-11-18
2009	2009-04-19	2009-11-03
2010	2010-07-14	2010-12-12
2011	2011-03-31	2011-11-02
2012	2012-01-05	2012-11-05
2013	2013-05-03	2013-11-14
2014	2014-01-14	2014-11-27
2015	2015-02-11	2015-11-22
2025	2025-02-27	2025-10-30
2026	2026-02-27	2026-10-08

Every Fixed Threshold

Fixed thresholds at San Diego Miramar NAS
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	61	81	2015	42
35 C (95 F): Days	55	17	2015	9
40 C (104 F): Days	16	3	1963	3
90 F (32.2 C): Days	61	47	2015	24
100 F (37.8 C): Days	35	7	1979	6
110 F (43.3 C): Days	2	1	1963	1
0 C (32 F): Frost days (min	16	6	1987	3
20 C (68 F): Tropical nights (min	56	56	2015	29
25 C (77 F): Days with min	4	2	1963	1
10 mm (0.39 in): Days with 10 mm or more rain	60	24	1978	1
25 mm (0.98 in): Days with 25 mm or more rain	47	8	1978	3
50 mm (1.97 in): Days with 50 mm or more rain	10	2	1980	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.

Download the Data

Data for San Diego Miramar NAS 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).

San Diego Miramar NAS Threshold Days by Year (USW00093107)

Key Facts for San Diego Miramar NAS Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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