Rio Blanco (Cfe) Weather Records (MXN00007139)

Record envelope, standing records and threshold days for Rio Blanco (Cfe) (MXN00007139), Mexico, with 35 years of record.

Key Facts for Rio Blanco (Cfe)

Rio Blanco (Cfe) (MXN00007139) is a weather station in Mexico at 16.22 latitude and -92.52 longitude, 717 m (2,352 ft) above sea level.
The station reports from 1963 to 1997, 35 years of record.
1,464 records set at Rio Blanco (Cfe) still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Rio Blanco (Cfe) tied a daily record high maximum temperature of 35.6 C (96.1 F) on 22 February 1997.

About the Station

Location: Mexico, 16.22 latitude, -92.52 longitude.
Elevation: 717 m (2,352 ft).
Period of record: 1963 to 1997, 35 years.
Eligible elements: tmax, tmin, prcp.

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 Rio Blanco (Cfe). 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 Rio Blanco (Cfe), with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	35.6 C (96.1 F)	5.0 C (41.0 F)	n/a	n/a
Feb	38.9 C (102.0 F)	3.9 C (39.0 F)	n/a	n/a
Mar	40.6 C (105.1 F)	5.6 C (42.1 F)	n/a	n/a
Apr	40.6 C (105.1 F)	10.0 C (50.0 F)	n/a	n/a
May	40.0 C (104.0 F)	12.8 C (55.0 F)	n/a	n/a
Jun	39.4 C (102.9 F)	15.0 C (59.0 F)	n/a	n/a
Jul	36.7 C (98.1 F)	15.0 C (59.0 F)	n/a	n/a
Aug	35.0 C (95.0 F)	11.7 C (53.1 F)	n/a	n/a
Sep	35.6 C (96.1 F)	15.0 C (59.0 F)	n/a	n/a
Oct	35.0 C (95.0 F)	10.6 C (51.1 F)	n/a	n/a
Nov	35.6 C (96.1 F)	6.7 C (44.1 F)	n/a	n/a
Dec	35.6 C (96.1 F)	3.9 C (39.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Rio Blanco (Cfe) still stand. 1987 holds the most, with 83.

Standing records at Rio Blanco (Cfe) by the year they were set
Year set	Standing records
1963	37
1964	47
1965	49
1966	48
1967	50
1968	41
1969	49
1970	53
1971	43
1972	47
1973	59
1974	50
1975	29
1976	39
1977	49
1978	37
1979	41
1980	39
1981	29
1982	24
1983	48
1984	39
1985	34
1986	60
1987	83
1988	27
1989	38
1990	17
1991	23
1992	27
1993	36
1994	47
1995	70
1996	53
1997	2

Wettest Day of Each Month

May: 147.8 mm (5.8 in)

The wettest day on record for each calendar month at Rio Blanco (Cfe). The most was 147.8 mm (5.8 in) on 29 May 1986.

Record daily precipitation for each month at Rio Blanco (Cfe)
Month	Record daily precipitation (mm)	Date
Jan	22.4 mm (0.9 in)	17 January 1980
Feb	40.4 mm (1.6 in)	25 February 1983
Mar	34.8 mm (1.4 in)	14 March 1983
Apr	50.8 mm (2.0 in)	17 April 1967
May	147.8 mm (5.8 in)	29 May 1986
Jun	105.4 mm (4.1 in)	22 June 1992
Jul	90.9 mm (3.6 in)	17 July 1978
Aug	137.4 mm (5.4 in)	13 August 1992
Sep	136.4 mm (5.4 in)	10 September 1979
Oct	81.8 mm (3.2 in)	8 October 1991
Nov	44.5 mm (1.8 in)	4 November 1977
Dec	20.8 mm (0.8 in)	3 December 1991

Period of Record Coverage

1963 to 1997

35 years of record at Rio Blanco (Cfe), 1963 to 1997. 3 years have data for under 90 percent of days and are left out of rankings: 1963, 1969, 1997.

Days with data per year at Rio Blanco (Cfe)
Year	Days with data	Share of year	Complete
1963	209	57%	No
1964	366	100%	Yes
1965	334	92%	Yes
1966	365	100%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	302	83%	No
1970	365	100%	Yes
1971	365	100%	Yes
1972	366	100%	Yes
1973	365	100%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	364	99%	Yes
1977	365	100%	Yes
1978	364	100%	Yes
1979	364	100%	Yes
1980	366	100%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	355	97%	Yes
1984	333	91%	Yes
1985	365	100%	Yes
1986	365	100%	Yes
1987	365	100%	Yes
1988	366	100%	Yes
1989	365	100%	Yes
1990	334	92%	Yes
1991	364	100%	Yes
1992	366	100%	Yes
1993	365	100%	Yes
1994	334	92%	Yes
1995	365	100%	Yes
1996	366	100%	Yes
1997	59	16%	No

Latest Records

Latest records at Rio Blanco (Cfe)
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
22 February 1997	Rio Blanco (Cfe), MX	daily high max (Tie)	35.6 C (96.1 F)	tie	4 years	1 of 100 (Routine)
21 February 1997	Rio Blanco (Cfe), MX	daily high max (Tie)	35.0 C (95.0 F)	tie	23 years	2 of 100 (Routine)
15 February 1997	Rio Blanco (Cfe), MX	daily high min (Tie)	17.2 C (63.0 F)	tie	31 years	3 of 100 (Routine)
12 February 1997	Rio Blanco (Cfe), MX	daily high max (Tie)	35.0 C (95.0 F)	tie	22 years	2 of 100 (Routine)
10 February 1997	Rio Blanco (Cfe), MX	daily high min (Tie)	16.7 C (62.1 F)	tie	15 years	1 of 100 (Routine)
8 February 1997	Rio Blanco (Cfe), MX	daily high min (Tie)	16.7 C (62.1 F)	tie	8 years	1 of 100 (Routine)
5 February 1997	Rio Blanco (Cfe), MX	daily high min	17.2 C (63.0 F)	0.5 C (0.9 F)	8 years	6 of 100 (Routine)
4 February 1997	Rio Blanco (Cfe), MX	daily high max (Tie)	35.0 C (95.0 F)	tie	18 years	2 of 100 (Routine)
3 February 1997	Rio Blanco (Cfe), MX	daily high min	17.2 C (63.0 F)	1.1 C (2.0 F)	8 years	9 of 100 (Routine)
3 February 1997	Rio Blanco (Cfe), MX	daily high max (Tie)	35.0 C (95.0 F)	tie	18 years	2 of 100 (Routine)
28 December 1996	Rio Blanco (Cfe), MX	daily high max (Tie)	32.8 C (91.0 F)	tie	27 years	2 of 100 (Routine)
1 December 1996	Rio Blanco (Cfe), MX	daily rain	2.3 mm (0.09 in)	1.5 mm (0.06 in)	13 years	8 of 100 (Routine)
18 November 1996	Rio Blanco (Cfe), MX	daily rain	4.1 mm (0.16 in)	1.3 mm (0.05 in)	19 years	9 of 100 (Routine)
3 November 1996	Rio Blanco (Cfe), MX	daily high max (Tie)	32.2 C (90.0 F)	tie	22 years	2 of 100 (Routine)
26 October 1996	Rio Blanco (Cfe), MX	daily rain	4.8 mm (0.19 in)	0.5 mm (0.02 in)	19 years	8 of 100 (Routine)
20 October 1996	Rio Blanco (Cfe), MX	daily high max	32.2 C (90.0 F)	0.5 C (0.9 F)	24 years	12 of 100 (Routine)
3 October 1996	Rio Blanco (Cfe), MX	daily low min (Tie)	16.7 C (62.1 F)	tie	33 years	3 of 100 (Routine)
28 September 1996	Rio Blanco (Cfe), MX	daily low min	16.7 C (62.1 F)	0.5 C (0.9 F)	33 years	16 of 100 (Routine)
25 September 1996	Rio Blanco (Cfe), MX	daily low min (Tie)	17.8 C (64.0 F)	tie	21 years	2 of 100 (Routine)
22 September 1996	Rio Blanco (Cfe), MX	daily low min (Tie)	16.7 C (62.1 F)	tie	29 years	2 of 100 (Routine)

Climate Trend

28 complete years, 1964 to 1996

One stripe for each of 28 complete years at Rio Blanco (Cfe), 1964 to 1996. Blue stripes are years cooler than the station's own mean of 24.3 C (75.7 F); red stripes are warmer. The coolest year was 1968, at 23.6 C (74.5 F), and the warmest was 1986, at 24.9 C (76.8 F). The strongest colour marks a difference of 0.7 C (1.3 F).

Annual mean temperature at Rio Blanco (Cfe) as warming stripes, 1964 to 1996
Year	Annual mean temperature	Difference from the station mean
1964	23.9 C	-0.38 C
1966	23.6 C	-0.63 C
1967	23.6 C	-0.66 C
1968	23.6 C	-0.68 C
1970	23.9 C	-0.41 C
1971	24.1 C	-0.20 C
1972	24.6 C	+0.37 C
1973	24.5 C	+0.19 C
1974	24.0 C	-0.28 C
1975	24.3 C	+0.06 C
1976	24.0 C	-0.30 C
1977	24.4 C	+0.12 C
1978	24.4 C	+0.08 C
1979	24.1 C	-0.19 C
1980	24.3 C	+0.07 C
1981	24.2 C	-0.06 C
1982	24.4 C	+0.14 C
1983	24.6 C	+0.29 C
1985	24.2 C	-0.11 C
1986	24.9 C	+0.64 C
1987	24.8 C	+0.52 C
1988	24.5 C	+0.27 C
1989	24.1 C	-0.22 C
1991	24.6 C	+0.31 C
1992	24.4 C	+0.09 C
1993	24.6 C	+0.35 C
1995	24.9 C	+0.62 C
1996	24.4 C	+0.10 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1963 to 1997

Yearly extremes at Rio Blanco (Cfe): the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	40.6 C (105.1 F)	1973	38.9 C (102.0 F)	35
Coldest night (TNn)	3.9 C (39.0 F)	1963	6.7 C (44.1 F)	35
Wettest day (Rx1day)	147.8 mm (5.8 in)	1986	70.9 mm (2.8 in)	35
Wettest five days (Rx5day)	255.8 mm (10.1 in)	1986	143.8 mm (5.7 in)	35
Longest dry spell (CDD)	123 days	1968	73 days	35

Hottest day (TXx)

The hottest day of the year at Rio Blanco (Cfe), 1963 to 1997. The record is 40.6 C (105.1 F) in 1973, marked on the chart; the median year is 38.9 C (102.0 F).

Hottest day (TXx) at Rio Blanco (Cfe) by year
Year	Hottest day (TXx)
1963	35.0 C (95.0 F)
1964	38.9 C (102.0 F)
1965	37.8 C (100.0 F)
1966	37.2 C (99.0 F)
1967	37.8 C (100.0 F)
1968	36.7 C (98.1 F)
1969	38.9 C (102.0 F)
1970	39.4 C (102.9 F)
1971	40.0 C (104.0 F)
1972	37.8 C (100.0 F)
1973	40.6 C (105.1 F)
1974	38.9 C (102.0 F)
1975	40.0 C (104.0 F)
1976	37.8 C (100.0 F)
1977	40.0 C (104.0 F)
1978	40.0 C (104.0 F)
1979	38.3 C (100.9 F)
1980	38.9 C (102.0 F)
1981	38.9 C (102.0 F)
1982	39.4 C (102.9 F)
1983	38.3 C (100.9 F)
1984	40.0 C (104.0 F)
1985	38.3 C (100.9 F)
1986	38.9 C (102.0 F)
1987	40.6 C (105.1 F)
1988	40.0 C (104.0 F)
1989	40.0 C (104.0 F)
1990	37.8 C (100.0 F)
1991	38.9 C (102.0 F)
1992	39.4 C (102.9 F)
1993	39.4 C (102.9 F)
1994	40.6 C (105.1 F)
1995	38.9 C (102.0 F)
1996	38.9 C (102.0 F)
1997	36.7 C (98.1 F)

Coldest night (TNn)

The coldest night of the year at Rio Blanco (Cfe), 1963 to 1997. The record is 3.9 C (39.0 F) in 1963, marked on the chart; the median year is 6.7 C (44.1 F).

Coldest night (TNn) at Rio Blanco (Cfe) by year
Year	Coldest night (TNn)
1963	3.9 C (39.0 F)
1964	6.7 C (44.1 F)
1965	5.0 C (41.0 F)
1966	5.0 C (41.0 F)
1967	6.1 C (43.0 F)
1968	5.0 C (41.0 F)
1969	5.6 C (42.1 F)
1970	5.6 C (42.1 F)
1971	7.8 C (46.0 F)
1972	3.9 C (39.0 F)
1973	5.0 C (41.0 F)
1974	7.8 C (46.0 F)
1975	6.7 C (44.1 F)
1976	5.6 C (42.1 F)
1977	5.6 C (42.1 F)
1978	6.7 C (44.1 F)
1979	8.9 C (48.0 F)
1980	5.0 C (41.0 F)
1981	5.6 C (42.1 F)
1982	7.8 C (46.0 F)
1983	5.6 C (42.1 F)
1984	8.3 C (46.9 F)
1985	6.7 C (44.1 F)
1986	5.6 C (42.1 F)
1987	6.7 C (44.1 F)
1988	8.3 C (46.9 F)
1989	5.0 C (41.0 F)
1990	9.4 C (48.9 F)
1991	6.7 C (44.1 F)
1992	10.0 C (50.0 F)
1993	7.8 C (46.0 F)
1994	7.8 C (46.0 F)
1995	8.9 C (48.0 F)
1996	13.3 C (55.9 F)
1997	15.0 C (59.0 F)

Wettest day (Rx1day)

The wettest day of the year at Rio Blanco (Cfe), 1963 to 1997. The record is 147.8 mm (5.8 in) in 1986, marked on the chart; the median year is 70.9 mm (2.8 in).

Wettest day (Rx1day) at Rio Blanco (Cfe) by year
Year	Wettest day (Rx1day)
1963	59.4 mm (2.3 in)
1964	58.4 mm (2.3 in)
1965	51.3 mm (2.0 in)
1966	63.0 mm (2.5 in)
1967	68.8 mm (2.7 in)
1968	98.8 mm (3.9 in)
1969	70.9 mm (2.8 in)
1970	77.5 mm (3.1 in)
1971	63.8 mm (2.5 in)
1972	97.3 mm (3.8 in)
1973	84.8 mm (3.3 in)
1974	98.3 mm (3.9 in)
1975	74.9 mm (2.9 in)
1976	59.4 mm (2.3 in)
1977	49.8 mm (2.0 in)
1978	90.9 mm (3.6 in)
1979	136.4 mm (5.4 in)
1980	50.8 mm (2.0 in)
1981	72.6 mm (2.9 in)
1982	64.3 mm (2.5 in)
1983	82.6 mm (3.3 in)
1984	74.9 mm (2.9 in)
1985	83.3 mm (3.3 in)
1986	147.8 mm (5.8 in)
1987	68.8 mm (2.7 in)
1988	73.4 mm (2.9 in)
1989	69.9 mm (2.8 in)
1990	62.0 mm (2.4 in)
1991	81.8 mm (3.2 in)
1992	137.4 mm (5.4 in)
1993	63.5 mm (2.5 in)
1994	47.0 mm (1.9 in)
1995	77.5 mm (3.1 in)
1996	61.0 mm (2.4 in)
1997	3.3 mm (0.13 in)

Wettest five days (Rx5day)

The wettest five days of the year at Rio Blanco (Cfe), 1963 to 1997. The record is 255.8 mm (10.1 in) in 1986, marked on the chart; the median year is 143.8 mm (5.7 in).

Wettest five days (Rx5day) at Rio Blanco (Cfe) by year
Year	Wettest five days (Rx5day)
1963	131.0 mm (5.2 in)
1964	115.3 mm (4.5 in)
1965	127.0 mm (5.0 in)
1966	143.8 mm (5.7 in)
1967	177.8 mm (7.0 in)
1968	231.4 mm (9.1 in)
1969	131.2 mm (5.2 in)
1970	162.2 mm (6.4 in)
1971	169.1 mm (6.7 in)
1972	112.3 mm (4.4 in)
1973	162.1 mm (6.4 in)
1974	173.3 mm (6.8 in)
1975	112.1 mm (4.4 in)
1976	98.9 mm (3.9 in)
1977	126.3 mm (5.0 in)
1978	135.3 mm (5.3 in)
1979	207.3 mm (8.2 in)
1980	107.8 mm (4.2 in)
1981	158.6 mm (6.2 in)
1982	170.7 mm (6.7 in)
1983	136.6 mm (5.4 in)
1984	173.7 mm (6.8 in)
1985	146.6 mm (5.8 in)
1986	255.8 mm (10.1 in)
1987	145.1 mm (5.7 in)
1988	189.3 mm (7.5 in)
1989	127.8 mm (5.0 in)
1990	67.6 mm (2.7 in)
1991	152.1 mm (6.0 in)
1992	152.4 mm (6.0 in)
1993	148.9 mm (5.9 in)
1994	71.2 mm (2.8 in)
1995	140.0 mm (5.5 in)
1996	124.7 mm (4.9 in)
1997	3.3 mm (0.13 in)

Longest dry spell (CDD)

The longest dry spell of the year at Rio Blanco (Cfe), 1963 to 1997. The record is 123 days in 1968, marked on the chart; the median year is 73 days.

Longest dry spell (CDD) at Rio Blanco (Cfe) by year
Year	Longest dry spell (CDD)
1963	51 days
1964	98 days
1965	51 days
1966	76 days
1967	52 days
1968	123 days
1969	72 days
1970	80 days
1971	123 days
1972	84 days
1973	95 days
1974	61 days
1975	114 days
1976	37 days
1977	108 days
1978	74 days
1979	85 days
1980	73 days
1981	73 days
1982	58 days
1983	44 days
1984	61 days
1985	70 days
1986	85 days
1987	63 days
1988	94 days
1989	89 days
1990	50 days
1991	95 days
1992	52 days
1993	55 days
1994	60 days
1995	81 days
1996	108 days
1997	49 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.

Rainfall Return Levels

31 years, 1964 to 1996

A day with at least 72.4 mm (2.9 in) of rain is expected about once in 2 years. A day with at least 177.5 mm (7.0 in) of rain is expected about once in 100 years.

Rainfall return levels at Rio Blanco (Cfe): the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	72.4 mm (2.9 in)
5 years	92.5 mm (3.6 in)
10 years	108.6 mm (4.3 in)
25 years	132.6 mm (5.2 in)
50 years	153.6 mm (6.0 in)	Longer than the 31 years of record
100 years	177.5 mm (7.0 in)	Longer than the 31 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 31 years of values from 1964 to 1996.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 147.8 mm (5.8 in) in 1986; 137.4 mm (5.4 in) in 1992; 136.4 mm (5.4 in) in 1979.

Download the Data

Data for Rio Blanco (Cfe) standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Rio Blanco (Cfe) 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 2026-10-14 (14 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).