Monticello Muni AP Threshold Days by Year (USW00053919)

16 fixed thresholds counted per year at Monticello Muni AP (USW00053919): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Monticello Muni AP Thresholds

Monticello Muni AP: days with 10 mm (0.39 in) or more of precipitation in 84 years, most in 1989 with 64.
Monticello Muni AP: days with 25 mm (0.98 in) or more of precipitation in 84 years, most in 2001 with 30.
Monticello Muni AP: days with 50 mm (1.97 in) or more of precipitation in 83 years, most in 2001 with 12.
Monticello Muni AP: days with a maximum temperature at or above 30 C (86 F) in 82 years, most in 2005 with 153.
16 fixed thresholds have at least one qualifying day at Monticello Muni AP.

Days at or above 30 C (86 F)

82 years with a qualifying day

Days per year at Monticello Muni AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 153 in 2005.

Days at or above 30 C (86 F) per year at Monticello Muni AP
Year	Days	Decade average
1938	121	126.5
1939	132	126.5
1940	98	114.9
1941	135	114.9
1942	115	114.9
1943	123	114.9
1944	128	114.9
1945	106	114.9
1946	100	114.9
1947	106	114.9
1948	123	114.9
1951	108	114.6
1956	133	114.6
1957	97	114.6
1958	112	114.6
1959	123	114.6
1960	119	109
1961	80	109
1962	123	109
1963	128	109
1964	114	109
1965	115	109
1966	110	109
1968	94	109
1969	98	109
1970	104	103.5
1971	99	103.5
1972	116	103.5
1973	108	103.5
1974	88	103.5
1975	100	103.5
1976	79	103.5
1977	133	103.5
1978	117	103.5
1979	91	103.5
1980	125	106.4
1981	102	106.4
1982	116	106.4
1983	95	106.4
1984	89	106.4
1985	102	106.4
1986	117	106.4
1987	119	106.4
1988	116	106.4
1989	83	106.4
1990	108	110.6
1991	120	110.6
1992	84	110.6
1993	108	110.6
1994	107	110.6
1995	124	110.6
1996	101	110.6
1997	116	110.6
1998	124	110.6
1999	114	110.6
2000	119	120
2001	108	120
2002	121	120
2003	109	120
2004	123	120
2005	153	120
2006	146	120
2007	129	120
2008	102	120
2009	90	120
2010	142	127.8
2011	132	127.8
2012	129	127.8
2013	121	127.8
2014	107	127.8
2015	125	127.8
2016	136	127.8
2017	112	127.8
2018	140	127.8
2019	134	127.8
2020	110	127.6
2021	111	127.6
2022	120	127.6
2023	136	127.6
2024	133	127.6
2025	145	127.6
2026	138	127.6

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

First to last qualifying date each year at Monticello Muni AP
Year	First date	Last date
1938	1938-04-29	1938-10-16
1939	1939-04-26	1939-10-27
1940	1940-04-01	1940-10-23
1941	1941-04-12	1941-10-23
1942	1942-05-12	1942-10-18
1943	1943-04-29	1943-09-15
1944	1944-05-11	1944-10-29
1945	1945-03-19	1945-11-02
1946	1946-03-30	1946-10-09
1947	1947-05-04	1947-10-22
1948	1948-04-06	1948-10-16
1951	1951-05-01	1951-10-16
1956	1956-04-28	1956-10-17
1957	1957-05-09	1957-09-21
1958	1958-04-04	1958-10-09
1959	1959-04-20	1959-10-10
1960	1960-04-06	1960-10-03
1961	1961-05-06	1961-09-30
1962	1962-04-29	1962-10-13
1963	1963-03-31	1963-10-27
1964	1964-05-17	1964-10-02
1965	1965-04-08	1965-10-18
1966	1966-03-31	1966-10-09
1968	1968-05-15	1968-10-15
1969	1969-05-22	1969-10-13
1970	1970-04-30	1970-10-05
1971	1971-05-27	1971-10-04
1972	1972-04-14	1972-09-30
1973	1973-05-10	1973-10-12
1974	1974-03-20	1974-09-21
1975	1975-04-25	1975-10-15
1976	1976-05-23	1976-10-04
1977	1977-04-16	1977-10-01
1978	1978-04-08	1978-10-22
1979	1979-05-03	1979-10-13
1980	1980-04-22	1980-10-11
1981	1981-04-11	1981-10-06
1982	1982-03-20	1982-10-07
1983	1983-05-29	1983-09-19
1984	1984-05-07	1984-10-17
1985	1985-05-13	1985-10-14
1986	1986-04-08	1986-10-05
1987	1987-04-19	1987-09-29
1988	1988-04-05	1988-09-30
1989	1989-04-23	1989-10-16
1990	1990-04-30	1990-10-09
1991	1991-05-13	1991-10-13
1992	1992-04-15	1992-10-27
1993	1993-05-07	1993-10-07
1994	1994-04-21	1994-10-07
1995	1995-03-23	1995-10-18
1996	1996-04-20	1996-10-28
1997	1997-05-18	1997-10-13
1998	1998-05-12	1998-10-18
1999	1999-04-10	1999-10-17
2000	2000-05-11	2000-10-25
2001	2001-04-09	2001-09-23
2002	2002-04-21	2002-10-09
2003	2003-05-04	2003-10-26
2004	2004-03-20	2004-10-30
2005	2005-03-30	2005-11-15
2006	2006-03-11	2006-10-18
2007	2007-04-03	2007-10-18
2008	2008-04-22	2008-09-29
2009	2009-04-22	2009-10-08
2010	2010-05-03	2010-10-18
2011	2011-04-03	2011-10-17
2012	2012-03-31	2012-09-28
2013	2013-04-09	2013-10-05
2014	2014-05-04	2014-10-10
2015	2015-04-25	2015-10-22
2016	2016-03-15	2016-11-03
2017	2017-03-20	2017-11-03
2018	2018-05-02	2018-10-09
2019	2019-04-10	2019-10-10
2020	2020-03-26	2020-10-21
2021	2021-04-12	2021-10-15
2022	2022-05-04	2022-10-15
2023	2023-04-04	2023-10-26
2024	2024-04-27	2024-11-04
2025	2025-02-08	2025-10-18
2026	2026-03-21	2026-10-14

Every Fixed Threshold

Fixed thresholds at Monticello Muni AP
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	82	153	2005	138
35 C (95 F): Days	79	79	2005	64
40 C (104 F): Days	20	13	2000	3
90 F (32.2 C): Days	82	125	2005	110
100 F (37.8 C): Days	46	32	1980	14
0 C (32 F): Ice days (max	66	12	1983	4
0 C (32 F): Frost days (min	78	87	1978	24
-10 C (14 F): Days with min	49	15	1996	2
-20 C (-4 F): Days with min	1	1	1962	1
20 C (68 F): Tropical nights (min	78	129	2018	127
25 C (77 F): Days with min	49	33	2016	19
10 mm (0.39 in): Days with 10 mm or more rain	84	64	1989	17
25 mm (0.98 in): Days with 25 mm or more rain	84	30	2001	9
50 mm (1.97 in): Days with 50 mm or more rain	83	12	2001	1
100 mm (3.94 in): Days with 100 mm or more rain	31	2	1939	1
10 cm (3.9 in): Days with 10 cm or more snowfall	7	1	1948	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1938.

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Data for Monticello Muni AP 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).

Monticello Muni AP Threshold Days by Year (USW00053919)

Key Facts for Monticello Muni AP Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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