Lapeer Wwtp Threshold Days by Year (USC00204655)

16 fixed thresholds counted per year at Lapeer Wwtp (USC00204655): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lapeer Wwtp Thresholds

Lapeer Wwtp: days with 10 mm (0.39 in) or more of precipitation in 73 years, most in 1980 with 35.
Lapeer Wwtp: days with 25 mm (0.98 in) or more of precipitation in 73 years, most in 2025 with 10.
Lapeer Wwtp: days with a maximum temperature at or above 30 C (86 F) in 70 years, most in 1988 with 58.
Lapeer Wwtp: days with a maximum temperature at or below 0 C (32 F) in 70 years, most in 2014 with 85.
16 fixed thresholds have at least one qualifying day at Lapeer Wwtp.

Days at or above 30 C (86 F)

70 years with a qualifying day

Days per year at Lapeer Wwtp with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 58 in 1988.

Days at or above 30 C (86 F) per year at Lapeer Wwtp
Year	Days	Decade average
1950	13	27.7
1951	16	27.7
1952	41	27.7
1953	32	27.7
1954	35	27.7
1955	49	27.7
1956	12	27.7
1957	15	27.7
1958	17	27.7
1959	47	27.7
1960	17	29
1961	24	29
1962	19	29
1963	46	29
1964	46	29
1965	26	29
1966	43	29
1967	12	29
1968	33	29
1969	24	29
1970	36	29
1971	50	29
1972	15	29
1973	28	29
1974	19	29
1976	21	29
1977	28	29
1978	41	29
1979	23	29
1980	16	25.4
1981	12	25.4
1985	10	25.4
1986	9	25.4
1987	43	25.4
1988	58	25.4
1989	30	25.4
1990	20	23
1991	41	23
1992	7	23
1994	15	23
1995	30	23
1996	11	23
1997	13	23
1998	36	23
1999	34	23
2000	7	22.4
2001	30	22.4
2002	44	22.4
2003	15	22.4
2004	7	22.4
2005	24	22.4
2006	18	22.4
2007	34	22.4
2010	35	30.9
2011	37	30.9
2012	45	30.9
2013	24	30.9
2014	14	30.9
2015	24	30.9
2016	44	30.9
2017	24	30.9
2018	38	30.9
2019	24	30.9
2020	44	34.3
2021	40	34.3
2022	31	34.3
2023	26	34.3
2024	25	34.3
2025	34	34.3
2026	40	34.3

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

First to last qualifying date each year at Lapeer Wwtp
Year	First date	Last date
1950	1950-06-22	1950-08-27
1951	1951-06-01	1951-10-04
1952	1952-06-08	1952-09-13
1953	1953-06-19	1953-10-03
1954	1954-06-01	1954-09-07
1955	1955-06-05	1955-09-19
1956	1956-06-11	1956-09-01
1957	1957-06-16	1957-08-03
1958	1958-06-30	1958-08-31
1959	1959-05-06	1959-09-09
1960	1960-04-23	1960-09-08
1961	1961-06-11	1961-09-11
1962	1962-05-14	1962-10-11
1963	1963-06-02	1963-10-07
1964	1964-05-22	1964-09-11
1965	1965-05-25	1965-09-19
1966	1966-06-04	1966-09-02
1967	1967-06-05	1967-08-17
1968	1968-06-05	1968-08-24
1969	1969-05-29	1969-09-06
1970	1970-05-21	1970-09-22
1971	1971-05-18	1971-10-02
1972	1972-05-29	1972-08-22
1973	1973-06-10	1973-09-05
1974	1974-07-03	1974-08-27
1976	1976-06-08	1976-09-08
1977	1977-05-17	1977-08-31
1978	1978-05-26	1978-09-12
1979	1979-05-08	1979-08-08
1980	1980-06-25	1980-08-30
1981	1981-06-15	1981-08-05
1985	1985-07-08	1985-09-08
1986	1986-06-23	1986-07-25
1987	1987-05-27	1987-08-17
1988	1988-05-29	1988-09-18
1989	1989-06-24	1989-09-09
1990	1990-04-25	1990-08-29
1991	1991-05-11	1991-09-16
1992	1992-05-23	1992-08-26
1994	1994-05-23	1994-09-16
1995	1995-06-18	1995-09-07
1996	1996-05-19	1996-08-23
1997	1997-06-25	1997-08-17
1998	1998-05-16	1998-09-28
1999	1999-05-18	1999-09-13
2000	2000-06-10	2000-09-02
2001	2001-06-14	2001-09-09
2002	2002-04-17	2002-10-02
2003	2003-06-24	2003-08-27
2004	2004-06-09	2004-08-28
2005	2005-07-05	2005-09-14
2006	2006-05-29	2006-08-03
2007	2007-05-24	2007-09-25
2010	2010-05-27	2010-09-02
2011	2011-05-23	2011-09-04
2012	2012-03-22	2012-09-04
2013	2013-05-20	2013-09-12
2014	2014-05-14	2014-09-06
2015	2015-05-08	2015-09-09
2016	2016-05-25	2016-09-08
2017	2017-05-17	2017-09-27
2018	2018-05-26	2018-10-10
2019	2019-06-28	2019-09-22
2020	2020-05-25	2020-08-28
2021	2021-05-21	2021-09-15
2022	2022-05-13	2022-09-11
2023	2023-04-15	2023-10-05
2024	2024-05-20	2024-09-16
2025	2025-06-04	2025-10-06
2026	2026-05-18	2026-10-14

Every Fixed Threshold

Fixed thresholds at Lapeer Wwtp
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	70	58	1988	40
35 C (95 F): Days	27	15	1988	4
90 F (32.2 C): Days	66	40	1988	11
100 F (37.8 C): Days	1	3	1988	3
0 C (32 F): Ice days (max	70	85	2014	39
0 C (32 F): Frost days (min	70	169	1981	86
-10 C (14 F): Days with min	70	66	2014	38
-20 C (-4 F): Days with min	61	25	2014	8
-30 C (-22 F): Days with min	2	3	2015	3
20 C (68 F): Tropical nights (min	69	25	1988	12
25 C (77 F): Days with min	7	2	1988	1
10 mm (0.39 in): Days with 10 mm or more rain	73	35	1980	24
25 mm (0.98 in): Days with 25 mm or more rain	73	10	2025	2
50 mm (1.97 in): Days with 50 mm or more rain	33	3	1981	1
10 cm (3.9 in): Days with 10 cm or more snowfall	51	9	1965	3
25 cm (9.8 in): Days with 25 cm or more snowfall	4	1	1951	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1950.

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Data for Lapeer Wwtp 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).

Lapeer Wwtp Threshold Days by Year (USC00204655)

Key Facts for Lapeer Wwtp Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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