Hool Threshold Days by Year (MXN00004012)

13 fixed thresholds counted per year at Hool (MXN00004012): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hool Thresholds

Hool: days with a maximum temperature at or above 30 C (86 F) in 43 years, most in 1976 with 366.
Hool: days with a maximum temperature at or above 35 C (95 F) in 43 years, most in 1982 with 304.
Hool: days with a maximum temperature at or above 90 F (32.2 C) in 43 years, most in 1982 with 328.
Hool: days with 10 mm (0.39 in) or more of precipitation in 43 years, most in 1977 with 119.
13 fixed thresholds have at least one qualifying day at Hool.

Days at or above 30 C (86 F)

43 years with a qualifying day

Days per year at Hool with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 366 in 1976.

Days at or above 30 C (86 F) per year at Hool
Year	Days	Decade average
1963	299	315.7
1964	347	315.7
1965	358	315.7
1966	310	315.7
1967	296	315.7
1968	299	315.7
1969	301	315.7
1970	296	336.6
1971	340	336.6
1972	325	336.6
1973	313	336.6
1974	360	336.6
1975	334	336.6
1976	366	336.6
1977	359	336.6
1980	323	322.8
1982	333	322.8
1984	312	322.8
1985	348	322.8
1986	331	322.8
1987	318	322.8
1988	305	322.8
1989	312	322.8
1990	323	309.6
1991	298	309.6
1992	311	309.6
1993	315	309.6
1996	322	309.6
1997	298	309.6
1998	318	309.6
1999	292	309.6
2000	297	315.2
2001	294	315.2
2002	302	315.2
2003	320	315.2
2004	341	315.2
2005	330	315.2
2006	319	315.2
2007	330	315.2
2008	334	315.2
2009	285	315.2
2010	239	252
2011	265	252

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

First to last qualifying date each year at Hool
Year	First date	Last date
1963	1963-01-02	1963-12-30
1964	1964-01-07	1964-12-31
1965	1965-01-01	1965-12-31
1966	1966-01-01	1966-12-31
1967	1967-01-04	1967-12-29
1968	1968-01-01	1968-12-31
1969	1969-01-01	1969-12-31
1970	1970-01-01	1970-12-31
1971	1971-01-01	1971-12-31
1972	1972-01-01	1972-12-31
1973	1973-01-01	1973-12-31
1974	1974-01-01	1974-12-31
1975	1975-01-01	1975-11-30
1976	1976-01-01	1976-12-31
1977	1977-01-01	1977-12-31
1980	1980-01-06	1980-12-31
1982	1982-01-01	1982-12-31
1984	1984-01-09	1984-12-31
1985	1985-01-01	1985-12-31
1986	1986-01-01	1986-12-30
1987	1987-01-02	1987-12-31
1988	1988-01-02	1988-12-31
1989	1989-01-01	1989-12-31
1990	1990-01-01	1990-12-31
1991	1991-01-01	1991-12-23
1992	1992-01-09	1992-12-31
1993	1993-01-01	1993-12-31
1996	1996-01-01	1996-12-31
1997	1997-02-01	1997-12-31
1998	1998-01-01	1998-12-30
1999	1999-01-02	1999-12-20
2000	2000-01-04	2000-12-27
2001	2001-01-07	2001-12-31
2002	2002-01-01	2002-12-30
2003	2003-01-01	2003-12-31
2004	2004-01-01	2004-12-31
2005	2005-01-01	2005-12-30
2006	2006-01-01	2006-12-31
2007	2007-01-01	2007-12-31
2008	2008-01-01	2008-12-28
2009	2009-01-01	2009-11-28
2010	2010-02-03	2010-12-01
2011	2011-01-01	2011-11-28

Every Fixed Threshold

Fixed thresholds at Hool
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	43	366	1976	265
35 C (95 F): Days	43	304	1982	88
40 C (104 F): Days	33	39	2008	10
45 C (113 F): Days	2	1	2002	1
90 F (32.2 C): Days	43	328	1982	138
100 F (37.8 C): Days	39	148	1982	40
110 F (43.3 C): Days	6	5	2008	5
20 C (68 F): Tropical nights (min	42	335	1965	185
25 C (77 F): Days with min	28	31	1966	4
10 mm (0.39 in): Days with 10 mm or more rain	43	119	1977	31
25 mm (0.98 in): Days with 25 mm or more rain	43	64	1977	15
50 mm (1.97 in): Days with 50 mm or more rain	41	19	1977	11
100 mm (3.94 in): Days with 100 mm or more rain	13	4	2002	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

Data for Hool 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).

Hool Threshold Days by Year (MXN00004012)

Key Facts for Hool Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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