Monroe City Threshold Days by Year

18 fixed thresholds counted per year at Monroe City (USC00235708): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Monroe City Thresholds

Monroe City: days with 10 mm (0.39 in) or more of precipitation in 79 years, most in 1973 with 54.
Monroe City: days with 25 mm (0.98 in) or more of precipitation in 78 years, most in 1985 with 20.
Monroe City: days with 50 mm (1.97 in) or more of precipitation in 68 years, most in 1982 with 7.
Monroe City: days with 10 cm (3.9 in) or more of snowfall in 45 years, most in 1960 with 6.
18 fixed thresholds have at least one qualifying day at Monroe City.

Days at or above 30 C (86 F)

41 years with a qualifying day

Days per year at Monroe City with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 105 in 1963.

Days at or above 30 C (86 F) per year at Monroe City
Year	Days	Decade average
1902	50	55.3
1903	49	55.3
1905	55	55.3
1906	67	55.3
1963	105	80.2
1964	90	80.2
1965	86	80.2
1966	67	80.2
1967	60	80.2
1968	73	80.2
1971	91	81.3
1972	90	81.3
1973	74	81.3
1974	62	81.3
1975	78	81.3
1976	82	81.3
1977	87	81.3
1978	84	81.3
1979	84	81.3
1980	105	87
1981	71	87
1982	58	87
1983	99	87
1984	87	87
1985	72	87
1986	97	87
1987	97	87
1988	97	87
2011	71	60.4
2012	82	60.4
2013	52	60.4
2014	33	60.4
2016	61	60.4
2017	52	60.4
2018	74	60.4
2019	58	60.4
2020	51	51.2
2021	51	51.2
2022	48	51.2
2023	53	51.2
2024	53	51.2

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

First to last qualifying date each year at Monroe City
Year	First date	Last date
1902	1902-04-21	1902-08-30
1903	1903-05-22	1903-09-11
1905	1905-04-09	1905-10-05
1906	1906-05-15	1906-09-18
1963	1963-04-17	1963-10-26
1964	1964-04-16	1964-10-16
1965	1965-04-23	1965-09-19
1966	1966-05-07	1966-09-13
1967	1967-05-18	1967-10-05
1968	1968-05-01	1968-09-27
1971	1971-04-12	1971-10-02
1972	1972-04-12	1972-10-11
1973	1973-06-08	1973-10-08
1974	1974-05-13	1974-09-10
1975	1975-05-19	1975-10-14
1976	1976-06-07	1976-10-03
1977	1977-04-16	1977-09-22
1978	1978-05-24	1978-10-21
1979	1979-05-07	1979-10-08
1980	1980-04-21	1980-10-09
1981	1981-04-10	1981-10-06
1982	1982-05-04	1982-10-05
1983	1983-06-09	1983-10-03
1984	1984-05-18	1984-09-25
1985	1985-04-18	1985-09-20
1986	1986-03-29	1986-09-29
1987	1987-04-20	1987-09-27
1988	1988-05-13	1988-10-17
2011	2011-04-04	2011-10-09
2012	2012-04-03	2012-09-13
2013	2013-05-15	2013-10-05
2014	2014-05-08	2014-09-06
2016	2016-06-07	2016-10-18
2017	2017-06-03	2017-10-15
2018	2018-05-11	2018-10-09
2019	2019-05-17	2019-10-02
2020	2020-05-25	2020-09-07
2021	2021-06-10	2021-10-02
2022	2022-05-10	2022-09-22
2023	2023-05-08	2023-10-03
2024	2024-05-19	2024-10-13

Every Fixed Threshold

Fixed thresholds at Monroe City
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	41	105	1963	53
35 C (95 F): Days	37	52	1980	2
40 C (104 F): Days	6	12	1980	2
90 F (32.2 C): Days	41	80	1980	20
100 F (37.8 C): Days	17	26	1980	2
0 C (32 F): Ice days (max	42	56	1978	18
0 C (32 F): Frost days (min	42	140	2013	56
-10 C (14 F): Days with min	42	52	1963	22
-20 C (-4 F): Days with min	38	18	1963	3
-30 C (-22 F): Days with min	1	1	1905	1
20 C (68 F): Tropical nights (min	41	59	1983	26
25 C (77 F): Days with min	14	7	2011	1
10 mm (0.39 in): Days with 10 mm or more rain	79	54	1973	2
25 mm (0.98 in): Days with 25 mm or more rain	78	20	1985	9
50 mm (1.97 in): Days with 50 mm or more rain	68	7	1982	2
100 mm (3.94 in): Days with 100 mm or more rain	8	2	1939	1
10 cm (3.9 in): Days with 10 cm or more snowfall	45	6	1960	1
25 cm (9.8 in): Days with 25 cm or more snowfall	4	2	2011	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1902.

Download the Data

Data for Monroe City 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 2026-10-13 (13 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Monroe City Threshold Days by Year

Key Facts for Monroe City Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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