Monclova (Obs) Weather Records (MXN00005019)

Record envelope, standing records and threshold days for Monclova (Obs) (MXN00005019), Mexico, with 55 years of record.

Key Facts for Monclova (Obs)

Monclova (Obs) (MXN00005019) is a weather station in Mexico at 26.90 latitude and -101.42 longitude, 615 m (2,019 ft) above sea level.
The station reports from 1954 to 2008, 55 years of record.
1,444 records set at Monclova (Obs) still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 26.90 latitude, -101.42 longitude.
Elevation: 615 m (2,019 ft).
Period of record: 1954 to 2008, 55 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Monclova (Obs). The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Monclova (Obs), with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	37.2 C (99.0 F)	-8.3 C (17.1 F)	n/a	n/a
Feb	39.4 C (102.9 F)	-5.0 C (23.0 F)	n/a	n/a
Mar	40.6 C (105.1 F)	-2.2 C (28.0 F)	n/a	n/a
Apr	41.7 C (107.1 F)	2.8 C (37.0 F)	n/a	n/a
May	45.0 C (113.0 F)	10.0 C (50.0 F)	n/a	n/a
Jun	45.6 C (114.1 F)	12.2 C (54.0 F)	n/a	n/a
Jul	43.3 C (109.9 F)	17.8 C (64.0 F)	n/a	n/a
Aug	43.9 C (111.0 F)	17.8 C (64.0 F)	n/a	n/a
Sep	45.0 C (113.0 F)	10.0 C (50.0 F)	n/a	n/a
Oct	40.0 C (104.0 F)	2.8 C (37.0 F)	n/a	n/a
Nov	41.7 C (107.1 F)	-0.6 C (30.9 F)	n/a	n/a
Dec	39.4 C (102.9 F)	-2.2 C (28.0 F)	n/a	n/a

Which Years Hold Standing Records

1,444 standing records

1,444 records at Monclova (Obs) still stand. 2005 holds the most, with 117.

Standing records at Monclova (Obs) by the year they were set
Year set	Standing records
1954	50
1955	85
1956	60
1957	91
1958	70
1959	48
1960	60
1961	78
1962	53
1963	6
1990	23
1991	28
1992	9
1993	32
1995	74
1999	106
2000	89
2001	24
2002	30
2003	82
2004	75
2005	117
2006	55
2007	47
2008	52

Wettest Day of Each Month

Sep: 85.1 mm (3.4 in)

The wettest day on record for each calendar month at Monclova (Obs). The most was 85.1 mm (3.4 in) on 16 September 1958.

Record daily precipitation for each month at Monclova (Obs)
Month	Record daily precipitation (mm)	Date
Jan	29.5 mm (1.2 in)	6 January 1990
Feb	41.9 mm (1.6 in)	18 February 1993
Mar	17.8 mm (0.7 in)	12 March 2004
Apr	19.6 mm (0.8 in)	13 April 1954
May	64.8 mm (2.6 in)	7 May 2007
Jun	35.1 mm (1.4 in)	16 June 1961
Jul	38.6 mm (1.5 in)	5 July 2008
Aug	26.4 mm (1.0 in)	30 August 1955
Sep	85.1 mm (3.4 in)	16 September 1958
Oct	47.0 mm (1.9 in)	13 October 2005
Nov	38.4 mm (1.5 in)	7 November 1955
Dec	32.8 mm (1.3 in)	8 December 2001

Period of Record Coverage

1954 to 2008

25 years of record at Monclova (Obs), 1954 to 2008. 16 years have data for under 90 percent of days and are left out of rankings: 1954, 1958, 1959, 1963, 1990, 1991, 1992, 1993 and others.

Days with data per year at Monclova (Obs)
Year	Days with data	Share of year	Complete
1954	270	74%	No
1955	352	96%	Yes
1956	350	96%	Yes
1957	353	97%	Yes
1958	313	86%	No
1959	290	79%	No
1960	346	95%	Yes
1961	350	96%	Yes
1962	346	95%	Yes
1963	58	16%	No
1990	147	40%	No
1991	171	47%	No
1992	39	11%	No
1993	45	12%	No
1995	341	93%	Yes
1999	187	51%	No
2000	316	86%	No
2001	197	54%	No
2002	147	40%	No
2003	341	93%	Yes
2004	333	91%	Yes
2005	317	87%	No
2006	321	88%	No
2007	289	79%	No
2008	261	71%	No

Latest Records

No records were set at this station in the latest data.

Extremes by Year

1954 to 2008

Yearly extremes at Monclova (Obs): the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	45.6 C (114.1 F)	1999	42.2 C (108.0 F)	25
Coldest night (TNn)	-8.3 C (17.1 F)	1962	0.0 C (32.0 F)	25
Wettest day (Rx1day)	85.1 mm (3.4 in)	1958	36.6 mm (1.4 in)	25
Wettest five days (Rx5day)	121.8 mm (4.8 in)	1957	46.6 mm (1.8 in)	25
Longest dry spell (CDD)	100 days	2008	51 days	25

Hottest day (TXx)

The hottest day of the year at Monclova (Obs), 1954 to 2008. The record is 45.6 C (114.1 F) in 1999, marked on the chart; the median year is 42.2 C (108.0 F).

Hottest day (TXx) at Monclova (Obs) by year
Year	Hottest day (TXx)
1954	39.4 C (102.9 F)
1955	42.2 C (108.0 F)
1956	40.6 C (105.1 F)
1957	44.4 C (111.9 F)
1958	41.7 C (107.1 F)
1959	45.0 C (113.0 F)
1960	45.0 C (113.0 F)
1961	41.1 C (106.0 F)
1962	42.2 C (108.0 F)
1963	38.3 C (100.9 F)
1990	41.7 C (107.1 F)
1991	40.6 C (105.1 F)
1992	28.9 C (84.0 F)
1993	32.8 C (91.0 F)
1995	43.9 C (111.0 F)
1999	45.6 C (114.1 F)
2000	43.3 C (109.9 F)
2001	42.8 C (109.0 F)
2002	43.3 C (109.9 F)
2003	44.4 C (111.9 F)
2004	41.7 C (107.1 F)
2005	42.8 C (109.0 F)
2006	41.7 C (107.1 F)
2007	41.7 C (107.1 F)
2008	42.8 C (109.0 F)

Coldest night (TNn)

The coldest night of the year at Monclova (Obs), 1954 to 2008. The record is -8.3 C (17.1 F) in 1962, marked on the chart; the median year is 0.0 C (32.0 F).

Coldest night (TNn) at Monclova (Obs) by year
Year	Coldest night (TNn)
1954	0.0 C (32.0 F)
1955	-2.2 C (28.0 F)
1956	-2.2 C (28.0 F)
1957	-3.3 C (26.1 F)
1958	-1.7 C (28.9 F)
1959	-2.2 C (28.0 F)
1960	-5.0 C (23.0 F)
1961	-0.6 C (30.9 F)
1962	-8.3 C (17.1 F)
1963	18.9 C (66.0 F)
1990	3.3 C (37.9 F)
1991	1.7 C (35.1 F)
1992	0.0 C (32.0 F)
1993	20.0 C (68.0 F)
1995	2.2 C (36.0 F)
1999	0.0 C (32.0 F)
2000	0.0 C (32.0 F)
2001	-0.6 C (30.9 F)
2002	-1.7 C (28.9 F)
2003	0.6 C (33.1 F)
2004	0.6 C (33.1 F)
2005	-2.2 C (28.0 F)
2006	0.6 C (33.1 F)
2007	1.7 C (35.1 F)
2008	2.2 C (36.0 F)

Wettest day (Rx1day)

The wettest day of the year at Monclova (Obs), 1954 to 2008. The record is 85.1 mm (3.4 in) in 1958, marked on the chart; the median year is 36.6 mm (1.4 in).

Wettest day (Rx1day) at Monclova (Obs) by year
Year	Wettest day (Rx1day)
1954	27.7 mm (1.1 in)
1955	38.4 mm (1.5 in)
1956	27.2 mm (1.1 in)
1957	50.3 mm (2.0 in)
1958	85.1 mm (3.4 in)
1959	39.4 mm (1.6 in)
1960	26.7 mm (1.1 in)
1961	38.9 mm (1.5 in)
1962	24.9 mm (1.0 in)
1963	36.6 mm (1.4 in)
1990	29.5 mm (1.2 in)
1991	29.5 mm (1.2 in)
1992	9.9 mm (0.39 in)
1993	41.9 mm (1.6 in)
1995	29.0 mm (1.1 in)
1999	21.8 mm (0.9 in)
2000	47.8 mm (1.9 in)
2001	32.8 mm (1.3 in)
2002	10.9 mm (0.4 in)
2003	32.8 mm (1.3 in)
2004	39.4 mm (1.6 in)
2005	60.2 mm (2.4 in)
2006	37.3 mm (1.5 in)
2007	64.8 mm (2.6 in)
2008	38.6 mm (1.5 in)

Wettest five days (Rx5day)

The wettest five days of the year at Monclova (Obs), 1954 to 2008. The record is 121.8 mm (4.8 in) in 1957, marked on the chart; the median year is 46.6 mm (1.8 in).

Wettest five days (Rx5day) at Monclova (Obs) by year
Year	Wettest five days (Rx5day)
1954	46.5 mm (1.8 in)
1955	57.9 mm (2.3 in)
1956	40.0 mm (1.6 in)
1957	121.8 mm (4.8 in)
1958	92.7 mm (3.6 in)
1959	46.6 mm (1.8 in)
1960	40.4 mm (1.6 in)
1961	69.9 mm (2.8 in)
1962	37.1 mm (1.5 in)
1963	56.7 mm (2.2 in)
1990	30.6 mm (1.2 in)
1991	58.4 mm (2.3 in)
1992	9.9 mm (0.39 in)
1993	57.6 mm (2.3 in)
1995	31.0 mm (1.2 in)
1999	35.1 mm (1.4 in)
2000	50.4 mm (2.0 in)
2001	44.7 mm (1.8 in)
2002	18.6 mm (0.7 in)
2003	48.5 mm (1.9 in)
2004	45.7 mm (1.8 in)
2005	78.7 mm (3.1 in)
2006	43.1 mm (1.7 in)
2007	64.8 mm (2.6 in)
2008	79.0 mm (3.1 in)

Longest dry spell (CDD)

The longest dry spell of the year at Monclova (Obs), 1954 to 2008. The record is 100 days in 2008, marked on the chart; the median year is 51 days.

Longest dry spell (CDD) at Monclova (Obs) by year
Year	Longest dry spell (CDD)
1954	38 days
1955	56 days
1956	54 days
1957	57 days
1958	30 days
1959	36 days
1960	66 days
1961	58 days
1962	71 days
1963	12 days
1990	27 days
1991	35 days
1992	18 days
1993	13 days
1995	80 days
1999	33 days
2000	42 days
2001	36 days
2002	54 days
2003	73 days
2004	70 days
2005	52 days
2006	51 days
2007	43 days
2008	100 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

Data for Monclova (Obs) standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Monclova (Obs) 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

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