San Francisco Yosocuta Weather Records (MXN00020108)

Record envelope, standing records and threshold days for San Francisco Yosocuta (MXN00020108), Mexico, with 33 years of record.

Key Facts for San Francisco Yosocuta

San Francisco Yosocuta (MXN00020108) is a weather station in Mexico at 17.72 latitude and -97.77 longitude, 1,544 m (5,065 ft) above sea level.
The station reports from 1970 to 2002, 33 years of record.
1,464 records set at San Francisco Yosocuta still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
San Francisco Yosocuta set a daily record precipitation of 37.1 mm (1.5 in) on 15 May 2002.

About the Station

Location: Mexico, 17.72 latitude, -97.77 longitude.
Elevation: 1,544 m (5,065 ft).
Period of record: 1970 to 2002, 33 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 San Francisco Yosocuta. 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 San Francisco Yosocuta, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	38.9 C (102.0 F)	0.0 C (32.0 F)	n/a	n/a
Feb	41.7 C (107.1 F)	0.6 C (33.1 F)	n/a	n/a
Mar	43.9 C (111.0 F)	0.6 C (33.1 F)	n/a	n/a
Apr	40.0 C (104.0 F)	1.7 C (35.1 F)	n/a	n/a
May	42.8 C (109.0 F)	3.9 C (39.0 F)	n/a	n/a
Jun	43.9 C (111.0 F)	5.0 C (41.0 F)	n/a	n/a
Jul	42.8 C (109.0 F)	3.9 C (39.0 F)	n/a	n/a
Aug	40.6 C (105.1 F)	2.8 C (37.0 F)	n/a	n/a
Sep	38.9 C (102.0 F)	2.8 C (37.0 F)	n/a	n/a
Oct	38.9 C (102.0 F)	0.0 C (32.0 F)	n/a	n/a
Nov	38.9 C (102.0 F)	0.0 C (32.0 F)	n/a	n/a
Dec	37.8 C (100.0 F)	-3.3 C (26.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at San Francisco Yosocuta still stand. 1993 holds the most, with 189.

Standing records at San Francisco Yosocuta by the year they were set
Year set	Standing records
1970	20
1971	13
1972	14
1973	12
1974	19
1975	12
1976	16
1977	6
1978	20
1979	15
1980	19
1981	19
1982	7
1983	12
1984	11
1985	4
1986	10
1987	60
1988	134
1989	28
1990	64
1991	150
1992	129
1993	189
1994	149
1995	14
1996	50
1997	89
1998	95
1999	28
2000	49
2001	7

Wettest Day of Each Month

Sep: 80.5 mm (3.2 in)

The wettest day on record for each calendar month at San Francisco Yosocuta. The most was 80.5 mm (3.2 in) on 16 September 1998.

Record daily precipitation for each month at San Francisco Yosocuta
Month	Record daily precipitation (mm)	Date
Jan	25.7 mm (1.0 in)	31 January 1992
Feb	36.1 mm (1.4 in)	25 February 1983
Mar	31.0 mm (1.2 in)	24 March 1999
Apr	51.8 mm (2.0 in)	22 April 1972
May	71.1 mm (2.8 in)	9 May 1999
Jun	77.0 mm (3.0 in)	8 June 1981
Jul	70.9 mm (2.8 in)	10 July 1986
Aug	46.0 mm (1.8 in)	28 August 1986
Sep	80.5 mm (3.2 in)	16 September 1998
Oct	49.3 mm (1.9 in)	6 October 1999
Nov	54.1 mm (2.1 in)	25 November 2000
Dec	34.0 mm (1.3 in)	30 December 1995

Period of Record Coverage

1970 to 2002

33 years of record at San Francisco Yosocuta, 1970 to 2002. 8 years have data for under 90 percent of days and are left out of rankings: 1970, 1973, 1986, 1987, 1990, 1999, 2001, 2002.

Days with data per year at San Francisco Yosocuta
Year	Days with data	Share of year	Complete
1970	161	44%	No
1971	365	100%	Yes
1972	335	92%	Yes
1973	289	79%	No
1974	365	100%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	363	99%	Yes
1980	366	100%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	365	100%	Yes
1984	366	100%	Yes
1985	335	92%	Yes
1986	307	84%	No
1987	253	69%	No
1988	336	92%	Yes
1989	365	100%	Yes
1990	317	87%	No
1991	357	98%	Yes
1992	349	95%	Yes
1993	365	100%	Yes
1994	365	100%	Yes
1995	365	100%	Yes
1996	366	100%	Yes
1997	356	98%	Yes
1998	358	98%	Yes
1999	328	90%	No
2000	366	100%	Yes
2001	275	75%	No
2002	184	50%	No

Latest Records

Latest records at San Francisco Yosocuta
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 May 2002	San Francisco Yosocuta, MX	daily rain	37.1 mm (1.5 in)	24.7 mm (1.0 in)	25 years	33 of 100 (Routine)
15 April 2002	San Francisco Yosocuta, MX	daily rain	16.3 mm (0.6 in)	3.9 mm (0.15 in)	5 years	9 of 100 (Routine)
9 April 2002	San Francisco Yosocuta, MX	daily rain	15.2 mm (0.6 in)	10.1 mm (0.4 in)	12 years	20 of 100 (Routine)
26 December 2001	San Francisco Yosocuta, MX	daily rain	17.3 mm (0.7 in)	4.9 mm (0.19 in)	6 years	8 of 100 (Routine)
25 September 2001	San Francisco Yosocuta, MX	daily rain	54.1 mm (2.1 in)	7.1 mm (0.28 in)	20 years	14 of 100 (Routine)
10 September 2001	San Francisco Yosocuta, MX	daily low max (Tie)	23.9 C (75.0 F)	tie	23 years	2 of 100 (Routine)
7 September 2001	San Francisco Yosocuta, MX	daily rain	42.4 mm (1.7 in)	6.3 mm (0.25 in)	3 years	8 of 100 (Routine)
26 August 2001	San Francisco Yosocuta, MX	daily rain	32.0 mm (1.3 in)	18.5 mm (0.7 in)	6 years	25 of 100 (Routine)
5 August 2001	San Francisco Yosocuta, MX	daily rain	30.5 mm (1.2 in)	3.3 mm (0.13 in)	12 years	9 of 100 (Routine)
27 July 2001	San Francisco Yosocuta, MX	daily rain	38.1 mm (1.5 in)	19.8 mm (0.8 in)	22 years	23 of 100 (Routine)
26 July 2001	San Francisco Yosocuta, MX	daily rain	46.0 mm (1.8 in)	26.9 mm (1.1 in)	20 years	29 of 100 (Routine)
19 July 2001	San Francisco Yosocuta, MX	daily rain	23.4 mm (0.9 in)	1.8 mm (0.07 in)	28 years	12 of 100 (Routine)
17 July 2001	San Francisco Yosocuta, MX	daily low max (Tie)	23.9 C (75.0 F)	tie	30 years	3 of 100 (Routine)
7 June 2001	San Francisco Yosocuta, MX	daily rain	40.1 mm (1.6 in)	3.0 mm (0.12 in)	26 years	12 of 100 (Routine)
30 May 2001	San Francisco Yosocuta, MX	daily low max	21.7 C (71.1 F)	1.1 C (2.0 F)	23 years	12 of 100 (Routine)
24 May 2001	San Francisco Yosocuta, MX	monthly low max	21.1 C (70.0 F)	0.6 C (1.1 F)	22 years	20 of 100 (Routine)
13 May 2001	San Francisco Yosocuta, MX	daily low max	25.0 C (77.0 F)	0.6 C (1.1 F)	28 years	12 of 100 (Routine)
11 May 2001	San Francisco Yosocuta, MX	daily low max	25.6 C (78.1 F)	1.1 C (2.0 F)	2 years	6 of 100 (Routine)
7 May 2001	San Francisco Yosocuta, MX	daily rain	32.3 mm (1.3 in)	27.5 mm (1.1 in)	19 years	33 of 100 (Routine)
7 May 2001	San Francisco Yosocuta, MX	daily low max (Tie)	27.8 C (82.0 F)	tie	0 years	0 of 100 (Routine)

Climate Trend

20 complete years, 1971 to 2000

One stripe for each of 20 complete years at San Francisco Yosocuta, 1971 to 2000. Blue stripes are years cooler than the station's own mean of 20.5 C (68.9 F); red stripes are warmer. The coolest year was 2000, at 16.6 C (61.9 F), and the warmest was 1997, at 22.1 C (71.8 F). The strongest colour marks a difference of 3.9 C (7.0 F).

Annual mean temperature at San Francisco Yosocuta as warming stripes, 1971 to 2000
Year	Annual mean temperature	Difference from the station mean
1971	19.9 C	-0.59 C
1974	20.4 C	-0.16 C
1975	20.7 C	+0.22 C
1976	21.3 C	+0.75 C
1977	20.7 C	+0.14 C
1978	20.9 C	+0.33 C
1979	21.0 C	+0.52 C
1980	20.9 C	+0.38 C
1981	20.4 C	-0.08 C
1982	21.2 C	+0.71 C
1983	20.8 C	+0.24 C
1984	20.2 C	-0.34 C
1991	19.8 C	-0.76 C
1993	19.0 C	-1.53 C
1994	20.4 C	-0.14 C
1995	21.1 C	+0.57 C
1996	21.7 C	+1.14 C
1997	22.1 C	+1.60 C
1998	21.4 C	+0.85 C
2000	16.6 C	-3.90 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

1970 to 2002

Yearly extremes at San Francisco Yosocuta: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	43.9 C (111.0 F)	1989	35.6 C (96.1 F)	33
Coldest night (TNn)	-3.3 C (26.1 F)	1980	2.8 C (37.0 F)	33
Wettest day (Rx1day)	80.5 mm (3.2 in)	1998	54.1 mm (2.1 in)	33
Wettest five days (Rx5day)	206.0 mm (8.1 in)	1976	105.9 mm (4.2 in)	33
Longest dry spell (CDD)	146 days	1998	66 days	33

Hottest day (TXx)

The hottest day of the year at San Francisco Yosocuta, 1970 to 2002. The record is 43.9 C (111.0 F) in 1989, marked on the chart; the median year is 35.6 C (96.1 F).

Hottest day (TXx) at San Francisco Yosocuta by year
Year	Hottest day (TXx)
1970	30.6 C (87.1 F)
1971	35.6 C (96.1 F)
1972	35.6 C (96.1 F)
1973	37.8 C (100.0 F)
1974	38.9 C (102.0 F)
1975	36.7 C (98.1 F)
1976	37.8 C (100.0 F)
1977	35.6 C (96.1 F)
1978	35.0 C (95.0 F)
1979	37.8 C (100.0 F)
1980	35.0 C (95.0 F)
1981	35.0 C (95.0 F)
1982	35.6 C (96.1 F)
1983	35.6 C (96.1 F)
1984	37.8 C (100.0 F)
1985	33.9 C (93.0 F)
1986	33.9 C (93.0 F)
1987	31.7 C (89.1 F)
1988	36.7 C (98.1 F)
1989	43.9 C (111.0 F)
1990	41.7 C (107.1 F)
1991	43.9 C (111.0 F)
1992	38.9 C (102.0 F)
1993	41.7 C (107.1 F)
1994	40.0 C (104.0 F)
1995	35.6 C (96.1 F)
1996	35.6 C (96.1 F)
1997	36.7 C (98.1 F)
1998	42.8 C (109.0 F)
1999	41.7 C (107.1 F)
2000	33.9 C (93.0 F)
2001	35.0 C (95.0 F)
2002	35.0 C (95.0 F)

Coldest night (TNn)

The coldest night of the year at San Francisco Yosocuta, 1970 to 2002. The record is -3.3 C (26.1 F) in 1980, marked on the chart; the median year is 2.8 C (37.0 F).

Coldest night (TNn) at San Francisco Yosocuta by year
Year	Coldest night (TNn)
1970	1.7 C (35.1 F)
1971	3.9 C (39.0 F)
1972	2.8 C (37.0 F)
1973	3.9 C (39.0 F)
1974	3.9 C (39.0 F)
1975	3.9 C (39.0 F)
1976	0.6 C (33.1 F)
1977	3.9 C (39.0 F)
1978	5.6 C (42.1 F)
1979	5.0 C (41.0 F)
1980	-3.3 C (26.1 F)
1981	2.8 C (37.0 F)
1982	2.8 C (37.0 F)
1983	2.8 C (37.0 F)
1984	0.6 C (33.1 F)
1985	6.1 C (43.0 F)
1986	0.6 C (33.1 F)
1987	2.8 C (37.0 F)
1988	10.6 C (51.1 F)
1989	6.7 C (44.1 F)
1990	9.4 C (48.9 F)
1991	2.8 C (37.0 F)
1992	1.7 C (35.1 F)
1993	0.0 C (32.0 F)
1994	0.0 C (32.0 F)
1995	5.6 C (42.1 F)
1996	6.7 C (44.1 F)
1997	5.6 C (42.1 F)
1998	0.0 C (32.0 F)
1999	0.0 C (32.0 F)
2000	0.0 C (32.0 F)
2001	2.8 C (37.0 F)
2002	1.7 C (35.1 F)

Wettest day (Rx1day)

The wettest day of the year at San Francisco Yosocuta, 1970 to 2002. The record is 80.5 mm (3.2 in) in 1998, marked on the chart; the median year is 54.1 mm (2.1 in).

Wettest day (Rx1day) at San Francisco Yosocuta by year
Year	Wettest day (Rx1day)
1970	50.3 mm (2.0 in)
1971	29.2 mm (1.1 in)
1972	59.2 mm (2.3 in)
1973	71.4 mm (2.8 in)
1974	33.8 mm (1.3 in)
1975	58.2 mm (2.3 in)
1976	55.9 mm (2.2 in)
1977	61.0 mm (2.4 in)
1978	66.5 mm (2.6 in)
1979	51.3 mm (2.0 in)
1980	51.8 mm (2.0 in)
1981	77.0 mm (3.0 in)
1982	69.3 mm (2.7 in)
1983	68.6 mm (2.7 in)
1984	51.3 mm (2.0 in)
1985	53.3 mm (2.1 in)
1986	70.9 mm (2.8 in)
1987	70.4 mm (2.8 in)
1988	48.3 mm (1.9 in)
1989	42.7 mm (1.7 in)
1990	42.2 mm (1.7 in)
1991	55.6 mm (2.2 in)
1992	37.1 mm (1.5 in)
1993	74.9 mm (2.9 in)
1994	47.5 mm (1.9 in)
1995	65.8 mm (2.6 in)
1996	42.7 mm (1.7 in)
1997	37.3 mm (1.5 in)
1998	80.5 mm (3.2 in)
1999	71.1 mm (2.8 in)
2000	54.1 mm (2.1 in)
2001	54.1 mm (2.1 in)
2002	41.4 mm (1.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at San Francisco Yosocuta, 1970 to 2002. The record is 206.0 mm (8.1 in) in 1976, marked on the chart; the median year is 105.9 mm (4.2 in).

Wettest five days (Rx5day) at San Francisco Yosocuta by year
Year	Wettest five days (Rx5day)
1970	68.3 mm (2.7 in)
1971	79.4 mm (3.1 in)
1972	156.3 mm (6.2 in)
1973	125.0 mm (4.9 in)
1974	110.2 mm (4.3 in)
1975	132.2 mm (5.2 in)
1976	206.0 mm (8.1 in)
1977	111.6 mm (4.4 in)
1978	91.2 mm (3.6 in)
1979	93.0 mm (3.7 in)
1980	110.2 mm (4.3 in)
1981	150.4 mm (5.9 in)
1982	116.0 mm (4.6 in)
1983	132.6 mm (5.2 in)
1984	84.6 mm (3.3 in)
1985	94.7 mm (3.7 in)
1986	109.2 mm (4.3 in)
1987	123.4 mm (4.9 in)
1988	97.4 mm (3.8 in)
1989	86.7 mm (3.4 in)
1990	76.8 mm (3.0 in)
1991	95.8 mm (3.8 in)
1992	82.3 mm (3.2 in)
1993	112.0 mm (4.4 in)
1994	98.1 mm (3.9 in)
1995	105.9 mm (4.2 in)
1996	114.8 mm (4.5 in)
1997	71.1 mm (2.8 in)
1998	180.7 mm (7.1 in)
1999	89.9 mm (3.5 in)
2000	94.6 mm (3.7 in)
2001	126.8 mm (5.0 in)
2002	76.7 mm (3.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at San Francisco Yosocuta, 1970 to 2002. The record is 146 days in 1998, marked on the chart; the median year is 66 days.

Longest dry spell (CDD) at San Francisco Yosocuta by year
Year	Longest dry spell (CDD)
1970	59 days
1971	80 days
1972	104 days
1973	94 days
1974	63 days
1975	102 days
1976	59 days
1977	102 days
1978	52 days
1979	52 days
1980	71 days
1981	52 days
1982	80 days
1983	72 days
1984	57 days
1985	51 days
1986	31 days
1987	90 days
1988	78 days
1989	100 days
1990	81 days
1991	98 days
1992	65 days
1993	36 days
1994	74 days
1995	40 days
1996	66 days
1997	72 days
1998	146 days
1999	23 days
2000	46 days
2001	31 days
2002	32 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 San Francisco Yosocuta standing records by year: CSV or JSON. Field meanings are on the data page.
Data for San Francisco Yosocuta 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).