McGregor Threshold Days by Year (USC00415757)

17 fixed thresholds counted per year at McGregor (USC00415757): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for McGregor Thresholds

McGregor: days with 10 mm (0.39 in) or more of precipitation in 98 years, most in 1919 with 43.
McGregor: days with 25 mm (0.98 in) or more of precipitation in 98 years, most in 1913 with 18.
McGregor: days with 50 mm (1.97 in) or more of precipitation in 88 years, most in 1965 with 9.
McGregor: days with a maximum temperature at or above 30 C (86 F) in 48 years, most in 1963 with 173.
17 fixed thresholds have at least one qualifying day at McGregor.

Days at or above 30 C (86 F)

48 years with a qualifying day

Days per year at McGregor with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 173 in 1963.

Days at or above 30 C (86 F) per year at McGregor
Year	Days	Decade average
1893	69	69
1962	150	134.9
1963	173	134.9
1964	111	134.9
1965	132	134.9
1966	120	134.9
1967	142	134.9
1968	117	134.9
1969	134	134.9
1970	125	129.6
1971	136	129.6
1972	155	129.6
1973	123	129.6
1974	122	129.6
1975	123	129.6
1976	108	129.6
1977	141	129.6
1978	145	129.6
1979	118	129.6
1980	139	133.6
1981	127	133.6
1982	143	133.6
1983	126	133.6
1984	146	133.6
1985	136	133.6
1986	122	133.6
1987	140	133.6
1988	133	133.6
1989	124	133.6
1990	131	127.7
1991	122	127.7
1992	116	127.7
1993	124	127.7
1994	129	127.7
1995	129	127.7
1996	141	127.7
1997	112	127.7
1998	138	127.7
1999	135	127.7
2000	127	128.5
2002	127	128.5
2006	148	128.5
2007	113	128.5
2008	135	128.5
2009	121	128.5
2010	132	144.7
2011	166	144.7
2012	136	144.7

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

First to last qualifying date each year at McGregor
Year	First date	Last date
1893	1893-05-30	1893-09-24
1962	1962-02-09	1962-10-18
1963	1963-02-01	1963-11-07
1964	1964-04-04	1964-10-18
1965	1965-04-18	1965-10-18
1966	1966-04-02	1966-10-15
1967	1967-03-11	1967-10-07
1968	1968-05-04	1968-11-01
1969	1969-05-20	1969-11-09
1970	1970-04-13	1970-10-27
1971	1971-01-31	1971-10-19
1972	1972-03-08	1972-10-19
1973	1973-05-10	1973-10-11
1974	1974-03-12	1974-10-11
1975	1975-04-25	1975-10-15
1976	1976-03-05	1976-10-11
1977	1977-05-10	1977-11-01
1978	1978-04-05	1978-10-23
1979	1979-04-09	1979-10-22
1980	1980-02-21	1980-11-10
1981	1981-04-20	1981-10-18
1982	1982-02-23	1982-11-02
1983	1983-04-13	1983-11-23
1984	1984-03-28	1984-10-19
1985	1985-03-12	1985-10-15
1986	1986-02-19	1986-10-05
1987	1987-04-12	1987-11-05
1988	1988-04-05	1988-11-08
1989	1989-03-15	1989-11-15
1990	1990-04-30	1990-10-15
1991	1991-03-06	1991-10-25
1992	1992-04-25	1992-10-27
1993	1993-05-16	1993-10-18
1994	1994-04-27	1994-10-08
1995	1995-03-23	1995-10-27
1996	1996-02-21	1996-10-18
1997	1997-06-03	1997-10-25
1998	1998-05-02	1998-10-17
1999	1999-04-09	1999-10-17
2000	2000-03-30	2000-10-06
2002	2002-04-25	2002-10-07
2006	2006-01-02	2006-10-27
2007	2007-05-15	2007-11-15
2008	2008-02-26	2008-10-07
2009	2009-04-10	2009-10-15
2010	2010-05-05	2010-10-29
2011	2011-03-27	2011-11-20
2012	2012-04-26	2012-12-02

Every Fixed Threshold

Fixed thresholds at McGregor
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	48	173	1963	136
35 C (95 F): Days	48	113	2011	57
40 C (104 F): Days	21	13	2011	4
90 F (32.2 C): Days	48	140	1963	105
100 F (37.8 C): Days	44	68	2011	23
0 C (32 F): Ice days (max	35	10	1978	4
0 C (32 F): Frost days (min	45	104	1893	37
-10 C (14 F): Days with min	20	9	2011	9
20 C (68 F): Tropical nights (min	44	133	1963	116
25 C (77 F): Days with min	37	63	1963	33
10 mm (0.39 in): Days with 10 mm or more rain	98	43	1919	22
25 mm (0.98 in): Days with 25 mm or more rain	98	18	1913	9
50 mm (1.97 in): Days with 50 mm or more rain	88	9	1965	5
100 mm (3.94 in): Days with 100 mm or more rain	24	2	1913	1
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1964	1
10 cm (3.9 in): Days with 10 cm or more snowfall	10	1	1924	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1929	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

Data for McGregor 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).

McGregor Threshold Days by Year (USC00415757)

Key Facts for McGregor Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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