Pasamonte Threshold Days by Year (USC00296619)

17 fixed thresholds counted per year at Pasamonte (USC00296619): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pasamonte Thresholds

Pasamonte: days with 10 mm (0.39 in) or more of precipitation in 106 years, most in 1919 with 27.
Pasamonte: days with 25 mm (0.98 in) or more of precipitation in 97 years, most in 1965 with 10.
Pasamonte: nights with a minimum temperature at or below 0 C (32 F) in 89 years, most in 1945 with 206.
Pasamonte: nights with a minimum temperature at or below -10 C (14 F) in 89 years, most in 1928 with 65.
17 fixed thresholds have at least one qualifying day at Pasamonte.

Days at or above 30 C (86 F)

88 years with a qualifying day

Days per year at Pasamonte with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 103 in 1956.

Days at or above 30 C (86 F) per year at Pasamonte
Year	Days	Decade average
1926	45	40.3
1927	34	40.3
1928	39	40.3
1929	43	40.3
1930	60	67
1931	52	67
1932	65	67
1933	79	67
1934	78	67
1937	68	67
1940	66	57.6
1941	23	57.6
1942	41	57.6
1943	65	57.6
1944	65	57.6
1945	82	57.6
1946	61	57.6
1952	80	74.7
1953	85	74.7
1955	68	74.7
1956	103	74.7
1957	63	74.7
1958	54	74.7
1959	70	74.7
1960	51	58.7
1961	50	58.7
1962	74	58.7
1963	78	58.7
1964	78	58.7
1965	37	58.7
1966	58	58.7
1967	32	58.7
1968	68	58.7
1969	61	58.7
1970	65	67.8
1971	54	67.8
1972	59	67.8
1973	66	67.8
1974	78	67.8
1975	68	67.8
1976	69	67.8
1977	73	67.8
1978	79	67.8
1979	67	67.8
1980	89	57.7
1981	64	57.7
1982	48	57.7
1983	66	57.7
1984	66	57.7
1985	72	57.7
1986	44	57.7
1987	45	57.7
1988	43	57.7
1989	40	57.7
1990	51	50.7
1991	31	50.7
1992	26	50.7
1993	42	50.7
1994	69	50.7
1995	56	50.7
1996	58	50.7
1997	53	50.7
1998	74	50.7
1999	47	50.7
2000	90	57.9
2001	57	57.9
2002	72	57.9
2003	68	57.9
2004	48	57.9
2005	45	57.9
2006	49	57.9
2007	52	57.9
2008	47	57.9
2009	51	57.9
2010	71	70.3
2011	84	70.3
2012	87	70.3
2013	69	70.3
2014	60	70.3
2015	60	70.3
2017	48	70.3
2018	78	70.3
2019	76	70.3
2020	95	80.2
2021	66	80.2
2022	80	80.2
2023	67	80.2
2026	93	80.2

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

First to last qualifying date each year at Pasamonte
Year	First date	Last date
1926	1926-06-25	1926-10-17
1927	1927-05-01	1927-07-31
1928	1928-05-01	1928-10-07
1929	1929-06-09	1929-10-03
1930	1930-05-21	1930-09-25
1931	1931-06-04	1931-09-16
1932	1932-06-16	1932-09-19
1933	1933-05-27	1933-09-28
1934	1934-05-06	1934-09-12
1937	1937-05-14	1937-09-18
1940	1940-05-03	1940-09-17
1941	1941-05-13	1941-09-07
1942	1942-05-26	1942-08-28
1943	1943-06-01	1943-09-20
1944	1944-06-15	1944-09-22
1945	1945-05-25	1945-09-25
1946	1946-06-05	1946-09-12
1952	1952-05-05	1952-09-20
1953	1953-05-22	1953-09-28
1955	1955-05-07	1955-09-23
1956	1956-05-06	1956-09-29
1957	1957-06-08	1957-09-05
1958	1958-05-27	1958-09-22
1959	1959-05-04	1959-10-26
1960	1960-05-14	1960-09-15
1961	1961-04-20	1961-09-03
1962	1962-05-07	1962-10-15
1963	1963-05-04	1963-09-21
1964	1964-05-15	1964-09-19
1965	1965-04-22	1965-09-15
1966	1966-05-08	1966-09-25
1967	1967-05-10	1967-10-04
1968	1968-05-23	1968-09-20
1969	1969-05-22	1969-09-07
1970	1970-05-18	1970-09-12
1971	1971-05-17	1971-09-14
1972	1972-04-11	1972-10-03
1973	1973-06-08	1973-09-22
1974	1974-05-09	1974-09-12
1975	1975-06-04	1975-09-11
1976	1976-06-10	1976-09-18
1977	1977-06-03	1977-09-30
1978	1978-05-15	1978-10-03
1979	1979-06-13	1979-10-09
1980	1980-06-04	1980-10-01
1981	1981-04-26	1981-08-31
1982	1982-06-09	1982-09-27
1983	1983-05-28	1983-10-02
1984	1984-05-11	1984-09-13
1985	1985-05-30	1985-09-11
1986	1986-05-21	1986-08-21
1987	1987-06-15	1987-08-22
1988	1988-05-15	1988-09-08
1989	1989-04-21	1989-09-03
1990	1990-05-24	1990-09-03
1991	1991-05-19	1991-10-17
1992	1992-05-01	1992-09-18
1993	1993-06-07	1993-09-23
1994	1994-06-01	1994-10-01
1995	1995-06-14	1995-09-07
1996	1996-05-04	1996-08-22
1997	1997-06-20	1997-09-20
1998	1998-05-18	1998-09-29
1999	1999-06-24	1999-09-12
2000	2000-05-06	2000-10-04
2001	2001-05-02	2001-09-29
2002	2002-04-24	2002-09-06
2003	2003-05-14	2003-10-24
2004	2004-05-08	2004-09-18
2005	2005-05-22	2005-09-28
2006	2006-05-20	2006-08-25
2007	2007-06-20	2007-10-21
2008	2008-05-20	2008-09-07
2009	2009-05-08	2009-09-28
2010	2010-05-30	2010-09-30
2011	2011-05-28	2011-09-29
2012	2012-04-25	2012-09-24
2013	2013-05-01	2013-09-09
2014	2014-05-05	2014-09-10
2015	2015-06-03	2015-09-22
2017	2017-06-10	2017-09-16
2018	2018-05-08	2018-10-04
2019	2019-06-09	2019-09-26
2020	2020-05-01	2020-10-15
2021	2021-05-03	2021-09-20
2022	2022-05-07	2022-09-21
2023	2023-05-10	2023-09-30
2026	2026-05-13	2026-09-20

Every Fixed Threshold

Fixed thresholds at Pasamonte
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	88	103	1956	93
35 C (95 F): Days	79	36	1980	42
40 C (104 F): Days	1	1	1957	1
90 F (32.2 C): Days	88	77	1980	75
100 F (37.8 C): Days	29	13	1980	7
0 C (32 F): Ice days (max	88	30	1997	5
0 C (32 F): Frost days (min	89	206	1945	36
-10 C (14 F): Days with min	89	65	1928	11
-20 C (-4 F): Days with min	55	11	1963	4
-30 C (-22 F): Days with min	2	2	1963	1
20 C (68 F): Tropical nights (min	4	3	1937	1
10 mm (0.39 in): Days with 10 mm or more rain	106	27	1919	7
25 mm (0.98 in): Days with 25 mm or more rain	97	10	1965	2
50 mm (1.97 in): Days with 50 mm or more rain	35	3	1941	1
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1914	1
10 cm (3.9 in): Days with 10 cm or more snowfall	69	4	1923	1
25 cm (9.8 in): Days with 25 cm or more snowfall	12	1	1940	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1926.

Download the Data

Data for Pasamonte 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).

Pasamonte Threshold Days by Year (USC00296619)

Key Facts for Pasamonte Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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