Ajojucar Weather Records (MXN00014006)

Record envelope, standing records and threshold days for Ajojucar (MXN00014006), Mexico, with 73 years of record.

Key Facts for Ajojucar

Ajojucar (MXN00014006) is a weather station in Mexico at 21.55 latitude and -102.43 longitude, 1,745 m (5,725 ft) above sea level.
The station reports from 1940 to 2012, 73 years of record.
1,464 records set at Ajojucar still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Ajojucar set a daily record low maximum temperature of 16.7 C (62.1 F) on 30 January 2012.

About the Station

Location: Mexico, 21.55 latitude, -102.43 longitude.
Elevation: 1,745 m (5,725 ft).
Period of record: 1940 to 2012, 73 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 Ajojucar. 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 Ajojucar, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	31.7 C (89.1 F)	-10.0 C (14.0 F)	n/a	n/a
Feb	39.4 C (102.9 F)	-9.4 C (15.1 F)	n/a	n/a
Mar	37.8 C (100.0 F)	-5.6 C (21.9 F)	n/a	n/a
Apr	38.9 C (102.0 F)	-3.3 C (26.1 F)	n/a	n/a
May	40.6 C (105.1 F)	0.0 C (32.0 F)	n/a	n/a
Jun	40.0 C (104.0 F)	2.8 C (37.0 F)	n/a	n/a
Jul	38.9 C (102.0 F)	6.7 C (44.1 F)	n/a	n/a
Aug	37.8 C (100.0 F)	5.0 C (41.0 F)	n/a	n/a
Sep	36.1 C (97.0 F)	0.6 C (33.1 F)	n/a	n/a
Oct	37.2 C (99.0 F)	-3.9 C (25.0 F)	n/a	n/a
Nov	36.7 C (98.1 F)	-8.3 C (17.1 F)	n/a	n/a
Dec	31.7 C (89.1 F)	-7.8 C (18.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Ajojucar still stand. 1940 holds the most, with 99.

Standing records at Ajojucar by the year they were set
Year set	Standing records
1940	99
1941	62
1942	28
1943	39
1944	37
1945	31
1946	24
1947	34
1948	21
1949	7
1950	6
1951	16
1952	22
1953	19
1954	14
1955	16
1956	16
1957	20
1958	1
1959	11
1960	20
1961	15
1962	20
1963	20
1964	13
1965	15
1966	18
1967	30
1968	18
1969	19
1970	21
1971	11
1972	23
1973	24
1974	14
1975	11
1976	18
1977	8
1978	9
1979	23
1980	16
1981	20
1982	12
1983	18
1984	13
1985	15
1986	12
1987	13
1988	19
1989	16
1990	15
1991	12
1992	32
1993	10
1994	7
1995	17
1996	9
1997	24
1998	21
1999	24
2000	25
2001	6
2002	18
2003	16
2004	9
2005	16
2006	22
2007	10
2008	24
2009	32
2010	37
2011	46
2012	5

All-Time Record Progression

2 new records

2 all-time records were set at Ajojucar between 6 May 2009 and 24 May 2011. Each dot is a new record.

When Ajojucar set new all-time records
Date	Kind	Detail
2009-05-06	Record high maximum temperature	Record high maximum temperature 40.0 C (104.0 F)
2011-05-24	Record high maximum temperature	Record high maximum temperature 40.6 C (105.1 F)

Wettest Day of Each Month

Jul: 211.3 mm (8.3 in)

The wettest day on record for each calendar month at Ajojucar. The most was 211.3 mm (8.3 in) on 11 July 1952.

Record daily precipitation for each month at Ajojucar
Month	Record daily precipitation (mm)	Date
Jan	43.9 mm (1.7 in)	25 January 1992
Feb	47.0 mm (1.9 in)	3 February 2010
Mar	35.3 mm (1.4 in)	4 March 1968
Apr	82.8 mm (3.3 in)	13 April 1962
May	95.3 mm (3.8 in)	30 May 2004
Jun	86.9 mm (3.4 in)	13 June 2000
Jul	211.3 mm (8.3 in)	11 July 1952
Aug	121.4 mm (4.8 in)	11 August 1973
Sep	71.4 mm (2.8 in)	28 September 2002
Oct	72.9 mm (2.9 in)	9 October 1992
Nov	34.8 mm (1.4 in)	26 November 1982
Dec	31.8 mm (1.3 in)	10 December 1953

Period of Record Coverage

1940 to 2012

73 years of record at Ajojucar, 1940 to 2012. 10 years have data for under 90 percent of days and are left out of rankings: 1940, 1950, 1958, 1959, 1964, 1969, 1991, 1992 and others.

Days with data per year at Ajojucar
Year	Days with data	Share of year	Complete
1940	175	48%	No
1941	362	99%	Yes
1942	360	99%	Yes
1943	359	98%	Yes
1944	360	98%	Yes
1945	357	98%	Yes
1946	359	98%	Yes
1947	360	99%	Yes
1948	360	98%	Yes
1949	329	90%	Yes
1950	181	50%	No
1951	357	98%	Yes
1952	354	97%	Yes
1953	357	98%	Yes
1954	359	98%	Yes
1955	359	98%	Yes
1956	359	98%	Yes
1957	358	98%	Yes
1958	31	8%	No
1959	327	90%	No
1960	356	97%	Yes
1961	351	96%	Yes
1962	348	95%	Yes
1963	347	95%	Yes
1964	303	83%	No
1965	350	96%	Yes
1966	348	95%	Yes
1967	348	95%	Yes
1968	350	96%	Yes
1969	289	79%	No
1970	340	93%	Yes
1971	347	95%	Yes
1972	354	97%	Yes
1973	358	98%	Yes
1974	343	94%	Yes
1975	352	96%	Yes
1976	347	95%	Yes
1977	355	97%	Yes
1978	355	97%	Yes
1979	354	97%	Yes
1980	364	99%	Yes
1981	358	98%	Yes
1982	362	99%	Yes
1983	355	97%	Yes
1984	358	98%	Yes
1985	358	98%	Yes
1986	361	99%	Yes
1987	361	99%	Yes
1988	365	100%	Yes
1989	361	99%	Yes
1990	363	99%	Yes
1991	313	86%	No
1992	325	89%	No
1993	342	94%	Yes
1994	358	98%	Yes
1995	342	94%	Yes
1996	322	88%	No
1997	348	95%	Yes
1998	346	95%	Yes
1999	353	97%	Yes
2000	364	99%	Yes
2001	330	90%	Yes
2002	345	95%	Yes
2003	365	100%	Yes
2004	366	100%	Yes
2005	364	100%	Yes
2006	365	100%	Yes
2007	364	100%	Yes
2008	335	92%	Yes
2009	361	99%	Yes
2010	365	100%	Yes
2011	364	100%	Yes
2012	31	8%	No

Latest Records

Latest records at Ajojucar
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 January 2012	Ajojucar, MX	daily low max	16.7 C (62.1 F)	2.7 C (4.9 F)	28 years	23 of 100 (Routine)
24 January 2012	Ajojucar, MX	daily high max (Tie)	30.0 C (86.0 F)	tie	2 years	1 of 100 (Routine)
23 January 2012	Ajojucar, MX	daily high max	30.6 C (87.1 F)	0.6 C (1.1 F)	12 years	11 of 100 (Routine)
22 January 2012	Ajojucar, MX	daily high max	30.0 C (86.0 F)	0.6 C (1.1 F)	29 years	16 of 100 (Routine)
21 January 2012	Ajojucar, MX	daily high max	30.6 C (87.1 F)	0.6 C (1.1 F)	57 years	25 of 100 (Routine)
20 January 2012	Ajojucar, MX	daily high max	30.0 C (86.0 F)	0.6 C (1.1 F)	60 years	26 of 100 (Routine)
16 January 2012	Ajojucar, MX	daily high max (Tie)	30.0 C (86.0 F)	tie	60 years	6 of 100 (Routine)
31 December 2011	Ajojucar, MX	daily high max	30.0 C (86.0 F)	1.1 C (2.0 F)	33 years	20 of 100 (Routine)
30 December 2011	Ajojucar, MX	daily high max	30.0 C (86.0 F)	0.6 C (1.1 F)	65 years	28 of 100 (Routine)
29 December 2011	Ajojucar, MX	daily high max (Tie)	28.9 C (84.0 F)	tie	56 years	5 of 100 (Routine)
28 December 2011	Ajojucar, MX	daily high max	30.0 C (86.0 F)	1.1 C (2.0 F)	40 years	22 of 100 (Routine)
2 December 2011	Ajojucar, MX	daily high max (Tie)	30.0 C (86.0 F)	tie	70 years	7 of 100 (Routine)
30 November 2011	Ajojucar, MX	daily low min	-7.8 C (18.0 F)	2.8 C (5.0 F)	44 years	27 of 100 (Routine)
29 November 2011	Ajojucar, MX	monthly low min	-8.3 C (17.1 F)	1.1 C (2.0 F)	32 years	29 of 100 (Routine)
27 November 2011	Ajojucar, MX	daily low max	14.4 C (57.9 F)	4.5 C (8.1 F)	8 years	25 of 100 (Routine)
22 November 2011	Ajojucar, MX	monthly high max	36.7 C (98.1 F)	2.3 C (4.1 F)	71 years	46 of 100 (Notable)
13 October 2011	Ajojucar, MX	daily low max	20.0 C (68.0 F)	2.8 C (5.0 F)	57 years	34 of 100 (Routine)
13 October 2011	Ajojucar, MX	daily high min (Tie)	15.0 C (59.0 F)	tie	52 years	5 of 100 (Routine)
12 October 2011	Ajojucar, MX	daily low max	17.8 C (64.0 F)	6.1 C (11.0 F)	38 years	41 of 100 (Notable)
7 October 2011	Ajojucar, MX	daily high max	32.8 C (91.0 F)	1.1 C (2.0 F)	1 year	11 of 100 (Routine)

Climate Trend

52 complete years, 1941 to 2011

One stripe for each of 52 complete years at Ajojucar, 1941 to 2011. Blue stripes are years cooler than the station's own mean of 17.6 C (63.7 F); red stripes are warmer. The coolest year was 1983, at 16.8 C (62.2 F), and the warmest was 1941, at 19.2 C (66.6 F). The strongest colour marks a difference of 1.7 C (3.1 F).

Annual mean temperature at Ajojucar as warming stripes, 1941 to 2011
Year	Annual mean temperature	Difference from the station mean
1941	19.2 C	+1.62 C
1942	18.6 C	+0.99 C
1943	18.5 C	+0.86 C
1944	18.2 C	+0.62 C
1945	18.7 C	+1.07 C
1946	18.7 C	+1.05 C
1947	18.1 C	+0.43 C
1948	18.5 C	+0.83 C
1951	18.1 C	+0.45 C
1952	17.6 C	-0.01 C
1953	17.7 C	+0.12 C
1954	18.2 C	+0.61 C
1955	17.5 C	-0.13 C
1956	17.4 C	-0.22 C
1957	18.0 C	+0.37 C
1960	17.6 C	-0.01 C
1961	17.7 C	+0.03 C
1962	18.0 C	+0.36 C
1963	17.8 C	+0.18 C
1965	17.5 C	-0.11 C
1966	17.0 C	-0.61 C
1967	17.1 C	-0.56 C
1968	17.1 C	-0.48 C
1970	17.5 C	-0.11 C
1971	17.5 C	-0.12 C
1972	17.9 C	+0.28 C
1973	17.6 C	-0.03 C
1974	17.3 C	-0.29 C
1975	16.9 C	-0.69 C
1976	16.8 C	-0.83 C
1977	16.9 C	-0.72 C
1978	17.0 C	-0.61 C
1979	17.5 C	-0.13 C
1980	17.4 C	-0.27 C
1981	17.4 C	-0.24 C
1982	17.9 C	+0.24 C
1983	16.8 C	-0.86 C
1984	17.0 C	-0.64 C
1985	17.2 C	-0.47 C
1986	17.1 C	-0.55 C
1987	16.8 C	-0.83 C
1988	17.0 C	-0.64 C
1989	17.1 C	-0.54 C
2000	17.6 C	-0.02 C
2002	17.6 C	+0.00 C
2004	16.8 C	-0.82 C
2005	17.4 C	-0.24 C
2006	17.5 C	-0.15 C
2007	16.9 C	-0.74 C
2009	18.6 C	+0.93 C
2010	17.8 C	+0.16 C
2011	19.0 C	+1.39 C

The annual mean temperature here has fallen by 0.1 C (0.1 to 0.2) per decade over 1941 to 2011. In Fahrenheit: 0.2 F (0.1 to 0.4) per decade. The slope is a straight line fitted to 52 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Ajojucar
Measure	Per decade (C)	Per decade (F)	Period	Complete years	Reading
Annual mean temperature	-0.1 C (-0.2 to -0.1) per decade	-0.2 F (-0.4 to -0.1) per decade	1941 to 2011	52	Fall
Mean daily maximum	0.04 C (-0.08 to 0.17) per decade	0.1 F (-0.1 to 0.3) per decade	1941 to 2011	52	Not clearly different from zero
Mean daily minimum	-0.3 C (-0.4 to -0.2) per decade	-0.6 F (-0.7 to -0.4) per decade	1941 to 2011	52	Fall

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

1940 to 2012

Yearly extremes at Ajojucar: 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)	2011	36.7 C (98.1 F)	73
Coldest night (TNn)	-10.0 C (14.0 F)	1955	-5.0 C (23.0 F)	73
Wettest day (Rx1day)	211.3 mm (8.3 in)	1952	46.0 mm (1.8 in)	73
Wettest five days (Rx5day)	220.7 mm (8.7 in)	1952	95.5 mm (3.8 in)	73
Longest dry spell (CDD)	306 days	1949	81 days	73

Hottest day (TXx)

The hottest day of the year at Ajojucar, 1940 to 2012. The record is 40.6 C (105.1 F) in 2011, marked on the chart; the median year is 36.7 C (98.1 F).

Hottest day (TXx) at Ajojucar by year
Year	Hottest day (TXx)
1940	37.2 C (99.0 F)
1941	39.4 C (102.9 F)
1942	37.8 C (100.0 F)
1943	38.9 C (102.0 F)
1944	38.9 C (102.0 F)
1945	38.9 C (102.0 F)
1946	37.8 C (100.0 F)
1947	35.6 C (96.1 F)
1948	37.2 C (99.0 F)
1949	38.9 C (102.0 F)
1950	36.7 C (98.1 F)
1951	36.1 C (97.0 F)
1952	37.8 C (100.0 F)
1953	37.8 C (100.0 F)
1954	36.1 C (97.0 F)
1955	35.6 C (96.1 F)
1956	35.0 C (95.0 F)
1957	36.7 C (98.1 F)
1958	26.7 C (80.1 F)
1959	35.6 C (96.1 F)
1960	35.6 C (96.1 F)
1961	35.6 C (96.1 F)
1962	36.7 C (98.1 F)
1963	36.7 C (98.1 F)
1964	36.7 C (98.1 F)
1965	36.7 C (98.1 F)
1966	36.1 C (97.0 F)
1967	36.7 C (98.1 F)
1968	35.6 C (96.1 F)
1969	37.8 C (100.0 F)
1970	36.7 C (98.1 F)
1971	36.1 C (97.0 F)
1972	37.8 C (100.0 F)
1973	39.4 C (102.9 F)
1974	35.0 C (95.0 F)
1975	35.0 C (95.0 F)
1976	35.0 C (95.0 F)
1977	35.0 C (95.0 F)
1978	35.0 C (95.0 F)
1979	35.0 C (95.0 F)
1980	36.1 C (97.0 F)
1981	33.9 C (93.0 F)
1982	37.8 C (100.0 F)
1983	38.3 C (100.9 F)
1984	35.0 C (95.0 F)
1985	35.6 C (96.1 F)
1986	35.6 C (96.1 F)
1987	34.4 C (93.9 F)
1988	36.7 C (98.1 F)
1989	36.1 C (97.0 F)
1990	36.1 C (97.0 F)
1991	36.1 C (97.0 F)
1992	35.0 C (95.0 F)
1993	37.8 C (100.0 F)
1994	37.8 C (100.0 F)
1995	37.8 C (100.0 F)
1996	36.7 C (98.1 F)
1997	36.7 C (98.1 F)
1998	38.9 C (102.0 F)
1999	37.8 C (100.0 F)
2000	38.3 C (100.9 F)
2001	37.2 C (99.0 F)
2002	38.9 C (102.0 F)
2003	38.9 C (102.0 F)
2004	38.9 C (102.0 F)
2005	38.9 C (102.0 F)
2006	37.8 C (100.0 F)
2007	38.9 C (102.0 F)
2008	37.8 C (100.0 F)
2009	40.0 C (104.0 F)
2010	40.0 C (104.0 F)
2011	40.6 C (105.1 F)
2012	30.6 C (87.1 F)

Coldest night (TNn)

The coldest night of the year at Ajojucar, 1940 to 2012. The record is -10.0 C (14.0 F) in 1955, marked on the chart; the median year is -5.0 C (23.0 F).

Coldest night (TNn) at Ajojucar by year
Year	Coldest night (TNn)
1940	0.0 C (32.0 F)
1941	-2.2 C (28.0 F)
1942	-5.0 C (23.0 F)
1943	-4.4 C (24.1 F)
1944	-7.2 C (19.0 F)
1945	-4.4 C (24.1 F)
1946	-4.4 C (24.1 F)
1947	-1.1 C (30.0 F)
1948	-1.7 C (28.9 F)
1949	-4.4 C (24.1 F)
1950	-5.6 C (21.9 F)
1951	-6.1 C (21.0 F)
1952	-8.3 C (17.1 F)
1953	-6.1 C (21.0 F)
1954	-4.4 C (24.1 F)
1955	-10.0 C (14.0 F)
1956	-7.8 C (18.0 F)
1957	-4.4 C (24.1 F)
1958	-4.4 C (24.1 F)
1959	-4.4 C (24.1 F)
1960	-9.4 C (15.1 F)
1961	-5.0 C (23.0 F)
1962	-7.2 C (19.0 F)
1963	-5.0 C (23.0 F)
1964	-3.3 C (26.1 F)
1965	-3.3 C (26.1 F)
1966	-6.1 C (21.0 F)
1967	-8.3 C (17.1 F)
1968	-4.4 C (24.1 F)
1969	-4.4 C (24.1 F)
1970	-6.1 C (21.0 F)
1971	-6.1 C (21.0 F)
1972	-5.0 C (23.0 F)
1973	-5.0 C (23.0 F)
1974	-5.0 C (23.0 F)
1975	-7.8 C (18.0 F)
1976	-7.2 C (19.0 F)
1977	-3.3 C (26.1 F)
1978	-6.1 C (21.0 F)
1979	-7.2 C (19.0 F)
1980	-4.4 C (24.1 F)
1981	-5.0 C (23.0 F)
1982	-3.9 C (25.0 F)
1983	-6.7 C (19.9 F)
1984	-4.4 C (24.1 F)
1985	-6.7 C (19.9 F)
1986	-5.0 C (23.0 F)
1987	-5.0 C (23.0 F)
1988	-8.3 C (17.1 F)
1989	-5.0 C (23.0 F)
1990	-5.0 C (23.0 F)
1991	-7.2 C (19.0 F)
1992	-4.4 C (24.1 F)
1993	-5.0 C (23.0 F)
1994	-3.9 C (25.0 F)
1995	-5.0 C (23.0 F)
1996	-5.0 C (23.0 F)
1997	-8.3 C (17.1 F)
1998	-7.2 C (19.0 F)
1999	-6.1 C (21.0 F)
2000	-7.2 C (19.0 F)
2001	-4.4 C (24.1 F)
2002	-5.0 C (23.0 F)
2003	-7.8 C (18.0 F)
2004	-6.1 C (21.0 F)
2005	-5.0 C (23.0 F)
2006	-9.4 C (15.1 F)
2007	-5.0 C (23.0 F)
2008	-5.0 C (23.0 F)
2009	-4.4 C (24.1 F)
2010	-7.2 C (19.0 F)
2011	-8.3 C (17.1 F)
2012	-3.3 C (26.1 F)

Wettest day (Rx1day)

The wettest day of the year at Ajojucar, 1940 to 2012. The record is 211.3 mm (8.3 in) in 1952, marked on the chart; the median year is 46.0 mm (1.8 in).

Wettest day (Rx1day) at Ajojucar by year
Year	Wettest day (Rx1day)
1940	59.9 mm (2.4 in)
1941	53.8 mm (2.1 in)
1942	59.9 mm (2.4 in)
1943	58.2 mm (2.3 in)
1944	33.0 mm (1.3 in)
1945	73.2 mm (2.9 in)
1946	30.2 mm (1.2 in)
1947	34.0 mm (1.3 in)
1948	46.0 mm (1.8 in)
1949	0.0 mm (0.00 in)
1950	13.0 mm (0.5 in)
1951	32.5 mm (1.3 in)
1952	211.3 mm (8.3 in)
1953	43.9 mm (1.7 in)
1954	50.5 mm (2.0 in)
1955	30.0 mm (1.2 in)
1956	33.0 mm (1.3 in)
1957	49.3 mm (1.9 in)
1958	1.8 mm (0.07 in)
1959	30.5 mm (1.2 in)
1960	35.6 mm (1.4 in)
1961	29.2 mm (1.1 in)
1962	82.8 mm (3.3 in)
1963	63.0 mm (2.5 in)
1964	25.7 mm (1.0 in)
1965	41.4 mm (1.6 in)
1966	41.9 mm (1.6 in)
1967	61.7 mm (2.4 in)
1968	63.2 mm (2.5 in)
1969	45.5 mm (1.8 in)
1970	49.8 mm (2.0 in)
1971	51.8 mm (2.0 in)
1972	35.6 mm (1.4 in)
1973	121.4 mm (4.8 in)
1974	32.3 mm (1.3 in)
1975	43.4 mm (1.7 in)
1976	55.1 mm (2.2 in)
1977	39.9 mm (1.6 in)
1978	69.6 mm (2.7 in)
1979	45.0 mm (1.8 in)
1980	53.6 mm (2.1 in)
1981	38.9 mm (1.5 in)
1982	40.9 mm (1.6 in)
1983	39.9 mm (1.6 in)
1984	45.0 mm (1.8 in)
1985	57.7 mm (2.3 in)
1986	52.3 mm (2.1 in)
1987	55.6 mm (2.2 in)
1988	46.7 mm (1.8 in)
1989	72.1 mm (2.8 in)
1990	72.6 mm (2.9 in)
1991	44.5 mm (1.8 in)
1992	72.9 mm (2.9 in)
1993	40.9 mm (1.6 in)
1994	31.8 mm (1.3 in)
1995	38.4 mm (1.5 in)
1996	65.8 mm (2.6 in)
1997	39.9 mm (1.6 in)
1998	59.9 mm (2.4 in)
1999	31.8 mm (1.3 in)
2000	86.9 mm (3.4 in)
2001	31.0 mm (1.2 in)
2002	71.4 mm (2.8 in)
2003	79.2 mm (3.1 in)
2004	95.3 mm (3.8 in)
2005	45.0 mm (1.8 in)
2006	54.9 mm (2.2 in)
2007	56.9 mm (2.2 in)
2008	44.5 mm (1.8 in)
2009	56.9 mm (2.2 in)
2010	47.0 mm (1.9 in)
2011	49.8 mm (2.0 in)
2012	3.8 mm (0.15 in)

Wettest five days (Rx5day)

The wettest five days of the year at Ajojucar, 1940 to 2012. The record is 220.7 mm (8.7 in) in 1952, marked on the chart; the median year is 95.5 mm (3.8 in).

Wettest five days (Rx5day) at Ajojucar by year
Year	Wettest five days (Rx5day)
1940	99.0 mm (3.9 in)
1941	107.5 mm (4.2 in)
1942	146.0 mm (5.7 in)
1943	78.5 mm (3.1 in)
1944	74.4 mm (2.9 in)
1945	100.4 mm (4.0 in)
1946	47.1 mm (1.9 in)
1947	54.8 mm (2.2 in)
1948	107.0 mm (4.2 in)
1949	0.0 mm (0.00 in)
1950	13.0 mm (0.5 in)
1951	73.2 mm (2.9 in)
1952	220.7 mm (8.7 in)
1953	90.2 mm (3.6 in)
1954	69.9 mm (2.8 in)
1955	87.4 mm (3.4 in)
1956	46.2 mm (1.8 in)
1957	144.3 mm (5.7 in)
1958	60.9 mm (2.4 in)
1959	136.6 mm (5.4 in)
1960	157.9 mm (6.2 in)
1961	69.6 mm (2.7 in)
1962	108.8 mm (4.3 in)
1963	124.3 mm (4.9 in)
1964	46.5 mm (1.8 in)
1965	96.8 mm (3.8 in)
1966	112.0 mm (4.4 in)
1967	145.5 mm (5.7 in)
1968	72.7 mm (2.9 in)
1969	86.2 mm (3.4 in)
1970	110.3 mm (4.3 in)
1971	93.0 mm (3.7 in)
1972	47.5 mm (1.9 in)
1973	211.1 mm (8.3 in)
1974	99.9 mm (3.9 in)
1975	90.4 mm (3.6 in)
1976	110.8 mm (4.4 in)
1977	99.4 mm (3.9 in)
1978	131.3 mm (5.2 in)
1979	104.0 mm (4.1 in)
1980	108.3 mm (4.3 in)
1981	56.5 mm (2.2 in)
1982	60.2 mm (2.4 in)
1983	87.5 mm (3.4 in)
1984	88.5 mm (3.5 in)
1985	80.0 mm (3.1 in)
1986	88.4 mm (3.5 in)
1987	100.1 mm (3.9 in)
1988	101.1 mm (4.0 in)
1989	85.1 mm (3.4 in)
1990	175.2 mm (6.9 in)
1991	130.4 mm (5.1 in)
1992	119.2 mm (4.7 in)
1993	87.1 mm (3.4 in)
1994	90.4 mm (3.6 in)
1995	131.1 mm (5.2 in)
1996	95.5 mm (3.8 in)
1997	62.5 mm (2.5 in)
1998	79.4 mm (3.1 in)
1999	60.5 mm (2.4 in)
2000	105.2 mm (4.1 in)
2001	62.8 mm (2.5 in)
2002	102.1 mm (4.0 in)
2003	129.3 mm (5.1 in)
2004	113.6 mm (4.5 in)
2005	89.5 mm (3.5 in)
2006	88.9 mm (3.5 in)
2007	104.4 mm (4.1 in)
2008	138.0 mm (5.4 in)
2009	97.8 mm (3.9 in)
2010	110.4 mm (4.3 in)
2011	65.0 mm (2.6 in)
2012	5.1 mm (0.20 in)

Longest dry spell (CDD)

The longest dry spell of the year at Ajojucar, 1940 to 2012. The record is 306 days in 1949, marked on the chart; the median year is 81 days.

Longest dry spell (CDD) at Ajojucar by year
Year	Longest dry spell (CDD)
1940	33 days
1941	51 days
1942	88 days
1943	82 days
1944	52 days
1945	85 days
1946	52 days
1947	104 days
1948	37 days
1949	306 days
1950	110 days
1951	75 days
1952	95 days
1953	83 days
1954	76 days
1955	152 days
1956	74 days
1957	76 days
1958	26 days
1959	43 days
1960	61 days
1961	114 days
1962	69 days
1963	58 days
1964	107 days
1965	55 days
1966	60 days
1967	64 days
1968	39 days
1969	140 days
1970	102 days
1971	132 days
1972	68 days
1973	75 days
1974	65 days
1975	109 days
1976	76 days
1977	81 days
1978	81 days
1979	116 days
1980	69 days
1981	51 days
1982	92 days
1983	127 days
1984	88 days
1985	83 days
1986	111 days
1987	53 days
1988	81 days
1989	108 days
1990	41 days
1991	157 days
1992	64 days
1993	101 days
1994	87 days
1995	103 days
1996	113 days
1997	34 days
1998	157 days
1999	146 days
2000	119 days
2001	60 days
2002	81 days
2003	115 days
2004	60 days
2005	79 days
2006	130 days
2007	109 days
2008	81 days
2009	109 days
2010	110 days
2011	171 days
2012	28 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.

Frost Dates and Growing Season

49 years with a frost

Across 49 years with a frost, the median last spring frost at Ajojucar falls on 28 March and the median first autumn frost on 12 November, which leaves a median of 229 days between them.

Fitted over all years, the growing season changes by -2.3 days per decade at this station.

Frost dates and growing season at Ajojucar
Measure	Median, all years	Earliest period	Recent period (1967 to 2011)	Recent against earliest	Fitted trend
Last spring frost	28 March	n/a	28 March	n/a	-0.6 days per decade
First autumn frost	12 November	n/a	8 November	n/a	-2.9 days per decade
Growing days	229 days	n/a	223 days	n/a	-2.3 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Rainfall Return Levels

68 years, 1941 to 2011

A day with at least 46.8 mm (1.8 in) of rain is expected about once in 2 years. A day with at least 143.2 mm (5.6 in) of rain is expected about once in 100 years.

Rainfall return levels at Ajojucar: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	46.8 mm (1.8 in)
5 years	66.2 mm (2.6 in)
10 years	81.3 mm (3.2 in)
25 years	103.3 mm (4.1 in)
50 years	122.2 mm (4.8 in)
100 years	143.2 mm (5.6 in)	Longer than the 68 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, 68 years of values from 1941 to 2011.

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: 211.3 mm (8.3 in) in 1952; 121.4 mm (4.8 in) in 1973; 95.3 mm (3.8 in) in 2004.

Station Changes

2 suspected

2 changes were suspected in the annual mean temperature of Ajojucar, at 1961 and 1987. Each is measured against neighbouring stations.

Relative to 5 neighbouring stations, the station's annual mean temperature from 1961 ran 0.6 C (1.0 F) higher than in the years before (likely change).
Relative to 5 neighbouring stations, the station's annual mean temperature from 1987 ran 0.3 C (0.6 F) lower than in the years before (possible change).

Suspected changes in the annual mean temperature at Ajojucar, against neighbouring stations
Year	Shift (C)	Shift (F)	Strength	Neighbours
1961	+0.6	+1.0	likely	5
1987	-0.3	-0.6	possible	5

Possible change at the station (a move, a new instrument or a new site); the record is kept as measured. A "likely" change has a larger test statistic than a "possible" one. Neither says why the station differs from its neighbours. How changes are found, and the largest ones.

Download the Data

Data for Ajojucar standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Ajojucar 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). Records are computed by this site and are not official.

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