Rancho Los Algodones Weather Records (MXN00002099)

Record envelope, standing records and threshold days for Rancho Los Algodones (MXN00002099), Mexico, with 40 years of record.

Key Facts for Rancho Los Algodones

Rancho Los Algodones (MXN00002099) is a weather station in Mexico at 30.77 latitude and -115.17 longitude, 460 m (1,509 ft) above sea level.
The station reports from 1948 to 1987, 40 years of record.
1,464 records set at Rancho Los Algodones still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mexico, 30.77 latitude, -115.17 longitude.
Elevation: 460 m (1,509 ft).
Period of record: 1948 to 1987, 40 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 Rancho Los Algodones. 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 Rancho Los Algodones, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	30.0 C (86.0 F)	-10.0 C (14.0 F)	n/a	n/a
Feb	36.7 C (98.1 F)	-7.2 C (19.0 F)	n/a	n/a
Mar	36.7 C (98.1 F)	-6.1 C (21.0 F)	n/a	n/a
Apr	40.6 C (105.1 F)	-3.3 C (26.1 F)	n/a	n/a
May	46.7 C (116.1 F)	0.6 C (33.1 F)	n/a	n/a
Jun	48.9 C (120.0 F)	3.9 C (39.0 F)	n/a	n/a
Jul	47.8 C (118.0 F)	10.0 C (50.0 F)	n/a	n/a
Aug	48.9 C (120.0 F)	11.7 C (53.1 F)	n/a	n/a
Sep	50.0 C (122.0 F)	6.7 C (44.1 F)	n/a	n/a
Oct	43.9 C (111.0 F)	-1.1 C (30.0 F)	n/a	n/a
Nov	40.0 C (104.0 F)	-4.4 C (24.1 F)	n/a	n/a
Dec	30.6 C (87.1 F)	-10.0 C (14.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Rancho Los Algodones still stand. 1975 holds the most, with 131.

Standing records at Rancho Los Algodones by the year they were set
Year set	Standing records
1948	39
1949	112
1950	112
1951	70
1952	73
1953	87
1954	55
1955	49
1956	42
1957	57
1958	63
1959	47
1960	59
1974	51
1975	131
1981	30
1982	129
1983	73
1984	58
1985	54
1986	15
1987	58

Wettest Day of Each Month

Jan: 44.5 mm (1.8 in)

The wettest day on record for each calendar month at Rancho Los Algodones. The most was 44.5 mm (1.8 in) on 11 January 1949.

Record daily precipitation for each month at Rancho Los Algodones
Month	Record daily precipitation (mm)	Date
Jan	44.5 mm (1.8 in)	11 January 1949
Feb	17.8 mm (0.7 in)	2 February 1983
Mar	11.9 mm (0.5 in)	14 March 1982
Apr	6.9 mm (0.27 in)	5 April 1975
May	2.8 mm (0.11 in)	27 May 1981
Jun	4.3 mm (0.17 in)	25 June 1984
Jul	39.9 mm (1.6 in)	14 July 1984
Aug	33.8 mm (1.3 in)	8 August 1983
Sep	41.9 mm (1.6 in)	7 September 1982
Oct	42.9 mm (1.7 in)	27 October 1957
Nov	20.8 mm (0.8 in)	30 November 1983
Dec	24.9 mm (1.0 in)	8 December 1982

Period of Record Coverage

1948 to 1987

22 years of record at Rancho Los Algodones, 1948 to 1987. 7 years have data for under 90 percent of days and are left out of rankings: 1948, 1974, 1975, 1981, 1985, 1986, 1987.

Days with data per year at Rancho Los Algodones
Year	Days with data	Share of year	Complete
1948	197	54%	No
1949	365	100%	Yes
1950	365	100%	Yes
1951	365	100%	Yes
1952	366	100%	Yes
1953	365	100%	Yes
1954	365	100%	Yes
1955	365	100%	Yes
1956	335	92%	Yes
1957	365	100%	Yes
1958	358	98%	Yes
1959	365	100%	Yes
1960	358	98%	Yes
1974	127	35%	No
1975	318	87%	No
1981	258	71%	No
1982	361	99%	Yes
1983	365	100%	Yes
1984	330	90%	Yes
1985	187	51%	No
1986	40	11%	No
1987	51	14%	No

Latest Records

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

Climate Trend

14 complete years, 1949 to 1983

One stripe for each of 14 complete years at Rancho Los Algodones, 1949 to 1983. Blue stripes are years cooler than the station's own mean of 22.1 C (71.7 F); red stripes are warmer. The coolest year was 1975, at 17.5 C (63.5 F), and the warmest was 1958, at 23.7 C (74.6 F). The strongest colour marks a difference of 4.6 C (8.3 F).

Annual mean temperature at Rancho Los Algodones as warming stripes, 1949 to 1983
Year	Annual mean temperature	Difference from the station mean
1949	22.7 C	+0.60 C
1950	23.6 C	+1.49 C
1951	22.9 C	+0.87 C
1952	23.0 C	+0.94 C
1953	23.3 C	+1.27 C
1954	23.5 C	+1.41 C
1955	22.5 C	+0.45 C
1957	22.9 C	+0.82 C
1958	23.7 C	+1.60 C
1959	23.3 C	+1.21 C
1960	23.1 C	+0.99 C
1975	17.5 C	-4.58 C
1982	18.1 C	-3.98 C
1983	18.9 C	-3.13 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

1948 to 1987

Yearly extremes at Rancho Los Algodones: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	50.0 C (122.0 F)	1950	46.7 C (116.1 F)	22
Coldest night (TNn)	-10.0 C (14.0 F)	1950	-1.6 C (29.0 F)	22
Wettest day (Rx1day)	44.5 mm (1.8 in)	1949	13.5 mm (0.5 in)	22
Wettest five days (Rx5day)	76.2 mm (3.0 in)	1983	17.1 mm (0.7 in)	22
Longest dry spell (CDD)	335 days	1956	169 days	22

Hottest day (TXx)

The hottest day of the year at Rancho Los Algodones, 1948 to 1987. The record is 50.0 C (122.0 F) in 1950, marked on the chart; the median year is 46.7 C (116.1 F).

Hottest day (TXx) at Rancho Los Algodones by year
Year	Hottest day (TXx)
1948	48.9 C (120.0 F)
1949	47.8 C (118.0 F)
1950	50.0 C (122.0 F)
1951	46.7 C (116.1 F)
1952	45.6 C (114.1 F)
1953	46.7 C (116.1 F)
1954	48.9 C (120.0 F)
1955	48.9 C (120.0 F)
1956	46.7 C (116.1 F)
1957	48.9 C (120.0 F)
1958	47.8 C (118.0 F)
1959	47.8 C (118.0 F)
1960	46.7 C (116.1 F)
1974	42.8 C (109.0 F)
1975	42.8 C (109.0 F)
1981	45.0 C (113.0 F)
1982	43.9 C (111.0 F)
1983	45.6 C (114.1 F)
1984	43.9 C (111.0 F)
1985	45.6 C (114.1 F)
1986	42.8 C (109.0 F)
1987	35.0 C (95.0 F)

Coldest night (TNn)

The coldest night of the year at Rancho Los Algodones, 1948 to 1987. The record is -10.0 C (14.0 F) in 1950, marked on the chart; the median year is -1.6 C (29.0 F).

Coldest night (TNn) at Rancho Los Algodones by year
Year	Coldest night (TNn)
1948	-1.1 C (30.0 F)
1949	-2.2 C (28.0 F)
1950	-10.0 C (14.0 F)
1951	-2.2 C (28.0 F)
1952	0.0 C (32.0 F)
1953	0.0 C (32.0 F)
1954	0.0 C (32.0 F)
1955	0.0 C (32.0 F)
1956	0.0 C (32.0 F)
1957	0.0 C (32.0 F)
1958	0.0 C (32.0 F)
1959	0.0 C (32.0 F)
1960	-4.4 C (24.1 F)
1974	-10.0 C (14.0 F)
1975	-7.2 C (19.0 F)
1981	-5.0 C (23.0 F)
1982	-5.0 C (23.0 F)
1983	-6.1 C (21.0 F)
1984	-6.1 C (21.0 F)
1985	-2.2 C (28.0 F)
1986	0.0 C (32.0 F)
1987	10.6 C (51.1 F)

Wettest day (Rx1day)

The wettest day of the year at Rancho Los Algodones, 1948 to 1987. The record is 44.5 mm (1.8 in) in 1949, marked on the chart; the median year is 13.5 mm (0.5 in).

Wettest day (Rx1day) at Rancho Los Algodones by year
Year	Wettest day (Rx1day)
1948	36.3 mm (1.4 in)
1949	44.5 mm (1.8 in)
1950	16.3 mm (0.6 in)
1951	18.8 mm (0.7 in)
1952	9.9 mm (0.39 in)
1953	5.8 mm (0.23 in)
1954	7.9 mm (0.31 in)
1955	7.9 mm (0.31 in)
1956	0.0 mm (0.00 in)
1957	42.9 mm (1.7 in)
1958	15.2 mm (0.6 in)
1959	9.9 mm (0.39 in)
1960	7.9 mm (0.31 in)
1974	15.0 mm (0.6 in)
1975	6.9 mm (0.27 in)
1981	8.1 mm (0.32 in)
1982	41.9 mm (1.6 in)
1983	33.8 mm (1.3 in)
1984	39.9 mm (1.6 in)
1985	13.0 mm (0.5 in)
1986	0.0 mm (0.00 in)
1987	14.0 mm (0.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Rancho Los Algodones, 1948 to 1987. The record is 76.2 mm (3.0 in) in 1983, marked on the chart; the median year is 17.1 mm (0.7 in).

Wettest five days (Rx5day) at Rancho Los Algodones by year
Year	Wettest five days (Rx5day)
1948	37.6 mm (1.5 in)
1949	61.8 mm (2.4 in)
1950	17.1 mm (0.7 in)
1951	26.7 mm (1.1 in)
1952	20.1 mm (0.8 in)
1953	5.8 mm (0.23 in)
1954	7.9 mm (0.31 in)
1955	10.7 mm (0.4 in)
1956	0.0 mm (0.00 in)
1957	59.7 mm (2.4 in)
1958	19.5 mm (0.8 in)
1959	14.7 mm (0.6 in)
1960	9.7 mm (0.38 in)
1974	17.1 mm (0.7 in)
1975	12.9 mm (0.5 in)
1981	8.1 mm (0.32 in)
1982	51.8 mm (2.0 in)
1983	76.2 mm (3.0 in)
1984	49.8 mm (2.0 in)
1985	13.0 mm (0.5 in)
1986	0.0 mm (0.00 in)
1987	25.2 mm (1.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at Rancho Los Algodones, 1948 to 1987. The record is 335 days in 1956, marked on the chart; the median year is 169 days.

Longest dry spell (CDD) at Rancho Los Algodones by year
Year	Longest dry spell (CDD)
1948	121 days
1949	264 days
1950	178 days
1951	144 days
1952	215 days
1953	254 days
1954	160 days
1955	196 days
1956	335 days
1957	106 days
1958	139 days
1959	249 days
1960	229 days
1974	29 days
1975	50 days
1981	82 days
1982	145 days
1983	122 days
1984	116 days
1985	246 days
1986	334 days
1987	193 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 Rancho Los Algodones standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Rancho Los Algodones 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 2026-10-16 (16 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).