Loma Threshold Days by Year (USC00245153)

18 fixed thresholds counted per year at Loma (USC00245153): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Loma Thresholds

Loma: days with 10 mm (0.39 in) or more of precipitation in 71 years, most in 1993 with 17.
Loma: nights with a minimum temperature at or below 0 C (32 F) in 66 years, most in 1970 with 209.
Loma: nights with a minimum temperature at or below -10 C (14 F) in 66 years, most in 1969 with 102.
Loma: nights with a minimum temperature at or below -20 C (-4 F) in 66 years, most in 1969 with 54.
18 fixed thresholds have at least one qualifying day at Loma.

Days at or above 30 C (86 F)

65 years with a qualifying day

Days per year at Loma with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 77 in 1988.

Days at or above 30 C (86 F) per year at Loma
Year	Days	Decade average
1951	32	45.7
1952	53	45.7
1953	52	45.7
1963	73	61
1964	53	61
1965	46	61
1966	70	61
1967	72	61
1968	44	61
1969	69	61
1970	76	57.2
1971	69	57.2
1972	53	57.2
1973	67	57.2
1974	56	57.2
1975	38	57.2
1976	58	57.2
1977	46	57.2
1978	42	57.2
1979	67	57.2
1980	52	54.6
1981	68	54.6
1982	40	54.6
1983	58	54.6
1984	68	54.6
1985	55	54.6
1986	37	54.6
1987	49	54.6
1988	77	54.6
1989	42	54.6
1990	54	48
1991	54	48
1992	47	48
1993	21	48
1994	60	48
1995	33	48
1996	47	48
1997	54	48
1998	63	48
1999	47	48
2000	55	53.2
2001	70	53.2
2002	33	53.2
2003	67	53.2
2004	39	53.2
2005	45	53.2
2006	65	53.2
2007	58	53.2
2008	48	53.2
2009	52	53.2
2010	40	54.4
2011	59	54.4
2012	64	54.4
2014	51	54.4
2015	61	54.4
2016	55	54.4
2017	68	54.4
2018	48	54.4
2019	44	54.4
2020	52	60.8
2021	73	60.8
2022	69	60.8
2023	56	60.8
2024	64	60.8
2025	51	60.8

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

First to last qualifying date each year at Loma
Year	First date	Last date
1951	1951-05-23	1951-09-07
1952	1952-04-24	1952-10-02
1953	1953-05-06	1953-10-10
1963	1963-04-14	1963-10-03
1964	1964-05-19	1964-10-13
1965	1965-06-09	1965-09-01
1966	1966-05-03	1966-09-23
1967	1967-05-21	1967-09-29
1968	1968-04-29	1968-09-13
1969	1969-04-22	1969-09-18
1970	1970-05-05	1970-10-04
1971	1971-05-12	1971-10-06
1972	1972-05-15	1972-09-05
1973	1973-05-15	1973-09-30
1974	1974-04-25	1974-10-16
1975	1975-05-15	1975-09-24
1976	1976-05-10	1976-10-01
1977	1977-04-26	1977-09-13
1978	1978-05-14	1978-09-25
1979	1979-05-15	1979-10-10
1980	1980-04-20	1980-10-08
1981	1981-05-01	1981-09-19
1982	1982-06-20	1982-09-09
1983	1983-05-23	1983-09-26
1984	1984-04-16	1984-09-18
1985	1985-05-01	1985-08-30
1986	1986-05-20	1986-08-29
1987	1987-04-27	1987-10-03
1988	1988-05-12	1988-09-06
1989	1989-05-10	1989-09-29
1990	1990-06-23	1990-10-01
1991	1991-06-03	1991-10-11
1992	1992-04-29	1992-10-02
1993	1993-05-11	1993-10-05
1994	1994-05-09	1994-09-25
1995	1995-05-30	1995-09-12
1996	1996-06-07	1996-10-10
1997	1997-05-12	1997-09-30
1998	1998-05-03	1998-09-17
1999	1999-05-24	1999-09-23
2000	2000-05-01	2000-09-17
2001	2001-04-28	2001-10-01
2002	2002-06-16	2002-09-16
2003	2003-05-25	2003-10-18
2004	2004-06-05	2004-09-11
2005	2005-06-20	2005-09-08
2006	2006-05-15	2006-09-30
2007	2007-05-17	2007-09-16
2008	2008-05-17	2008-10-02
2009	2009-05-29	2009-09-26
2010	2010-05-17	2010-10-03
2011	2011-06-22	2011-10-04
2012	2012-05-15	2012-10-01
2014	2014-05-23	2014-09-26
2015	2015-06-08	2015-10-12
2016	2016-05-05	2016-09-28
2017	2017-05-05	2017-09-12
2018	2018-05-17	2018-09-11
2019	2019-05-13	2019-09-16
2020	2020-06-13	2020-10-07
2021	2021-05-18	2021-10-06
2022	2022-06-18	2022-09-30
2023	2023-05-17	2023-09-27
2024	2024-05-29	2024-10-14
2025	2025-07-01	2025-09-29

Every Fixed Threshold

Fixed thresholds at Loma
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	65	77	1988	51
35 C (95 F): Days	65	36	2022	12
40 C (104 F): Days	29	7	1985	2
90 F (32.2 C): Days	65	57	1963	32
100 F (37.8 C): Days	58	21	1971	2
110 F (43.3 C): Days	2	1	1969	1
0 C (32 F): Ice days (max	65	81	1978	30
0 C (32 F): Frost days (min	66	209	1970	124
-10 C (14 F): Days with min	66	102	1969	41
-20 C (-4 F): Days with min	66	54	1969	22
-30 C (-22 F): Days with min	59	17	1972	7
-40 C (-40 F): Days with min	16	5	1996	1
20 C (68 F): Tropical nights (min	29	6	2007	2
10 mm (0.39 in): Days with 10 mm or more rain	71	17	1993	6
25 mm (0.98 in): Days with 25 mm or more rain	46	5	1975	1
50 mm (1.97 in): Days with 50 mm or more rain	13	2	1965	1
10 cm (3.9 in): Days with 10 cm or more snowfall	54	9	1967	2
25 cm (9.8 in): Days with 25 cm or more snowfall	8	1	1969	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1951.

Download the Data

Data for Loma 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).

Loma Threshold Days by Year (USC00245153)

Key Facts for Loma Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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