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Siqueros Weather Records (MXN00025119)

Record envelope, standing records and threshold days for Siqueros (MXN00025119), Mexico, with 48 years of record.

Key Facts for Siqueros

  • Siqueros (MXN00025119) is a weather station in Mexico at 23.33 latitude and -106.23 longitude, 40 m (131 ft) above sea level.
  • The station reports from 1966 to 2013, 48 years of record.
  • 1,464 records set at Siqueros still stand.
  • Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
  • Siqueros set a daily record high maximum temperature of 37.2 C (99.0 F) on 29 March 2013.

About the Station

  • Location: Mexico, 23.33 latitude, -106.23 longitude.
  • Elevation: 40 m (131 ft).
  • Period of record: 1966 to 2013, 48 years.
  • Eligible elements: tmax, tmin, prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Siqueros, with 2026 drawn through them The band shows the record high and record low for each calendar day at Siqueros. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -1001020304050 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Siqueros. 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 Siqueros, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan36.7 C (98.1 F)3.9 C (39.0 F)n/an/a
Feb38.3 C (100.9 F)-0.6 C (30.9 F)n/an/a
Mar38.9 C (102.0 F)5.6 C (42.1 F)n/an/a
Apr42.8 C (109.0 F)6.7 C (44.1 F)n/an/a
May41.7 C (107.1 F)10.0 C (50.0 F)n/an/a
Jun41.7 C (107.1 F)13.9 C (57.0 F)n/an/a
Jul41.7 C (107.1 F)18.9 C (66.0 F)n/an/a
Aug40.6 C (105.1 F)20.0 C (68.0 F)n/an/a
Sep40.0 C (104.0 F)16.7 C (62.1 F)n/an/a
Oct40.6 C (105.1 F)11.7 C (53.1 F)n/an/a
Nov38.9 C (102.0 F)5.6 C (42.1 F)n/an/a
Dec38.3 C (100.9 F)3.9 C (39.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Siqueros by the year they were set 1,464 records at Siqueros still stand. 1970 holds the most, with 67. 0204060801966: 301967: 561968: 521969: 451970: 671971: 31972: 241973: 401974: 461975: 341976: 281977: 271978: 311979: 561980: 501981: 151982: 271983: 281984: 191985: 181986: 181987: 351988: 331989: 291990: 551991: 651992: 661993: 111994: 641995: 211996: 151997: 251998: 151999: 182000: 202001: 132002: 162003: 172004: 202005: 252006: 172007: 222008: 322009: 242010: 272011: 382012: 172013: 101966197119761981198619911996200120062011
1,464 records at Siqueros still stand. 1970 holds the most, with 67.
Standing records at Siqueros by the year they were set
Year setStanding records
196630
196756
196852
196945
197067
19713
197224
197340
197446
197534
197628
197727
197831
197956
198050
198115
198227
198328
198419
198518
198618
198735
198833
198929
199055
199165
199266
199311
199464
199521
199615
199725
199815
199918
200020
200113
200216
200317
200420
200525
200617
200722
200832
200924
201027
201138
201217
201310

All-Time Record Progression

2 new records
When Siqueros set new all-time records 2 all-time records were set at Siqueros between 15 June 2009 and 4 February 2011. Each dot is a new record. Record high minimum temperatureRecord low minimum temperature15 June 2009: Record high minimum temperature 28.3 C (82.9 F)4 February 2011: Record low minimum temperature -0.6 C (30.9 F)2010
2 all-time records were set at Siqueros between 15 June 2009 and 4 February 2011. Each dot is a new record.
When Siqueros set new all-time records
DateKindDetail
2009-06-15Record high minimum temperatureRecord high minimum temperature 28.3 C (82.9 F)
2011-02-04Record low minimum temperatureRecord low minimum temperature -0.6 C (30.9 F)

Wettest Day of Each Month

Sep: 319.8 mm (12.6 in)
Record daily precipitation for each month at Siqueros The wettest day on record for each calendar month at Siqueros. The most was 319.8 mm (12.6 in) on 12 September 1968. 0100200300400 Jan: 70.6 mm (2.8 in), 12 January 1985 Jan Feb: 75.4 mm (3.0 in), 2 February 2010 Feb Mar: 73.9 mm (2.9 in), 3 March 1968 Mar Apr: 11.4 mm (0.4 in), 3 April 1997 Apr May: 40.1 mm (1.6 in), 27 May 1983 May Jun: 100.6 mm (4.0 in), 30 June 1993 Jun Jul: 176.3 mm (6.9 in), 30 July 1985 Jul Aug: 115.8 mm (4.6 in), 23 August 2011 Aug Sep: 319.8 mm (12.6 in), 12 September 1968 Sep Oct: 138.7 mm (5.5 in), 16 October 1980 Oct Nov: 75.9 mm (3.0 in), 13 November 1991 Nov Dec: 51.8 mm (2.0 in), 15 December 1967 Dec
The wettest day on record for each calendar month at Siqueros. The most was 319.8 mm (12.6 in) on 12 September 1968.
Record daily precipitation for each month at Siqueros
MonthRecord daily precipitation (mm)Date
Jan70.6 mm (2.8 in)12 January 1985
Feb75.4 mm (3.0 in)2 February 2010
Mar73.9 mm (2.9 in)3 March 1968
Apr11.4 mm (0.4 in)3 April 1997
May40.1 mm (1.6 in)27 May 1983
Jun100.6 mm (4.0 in)30 June 1993
Jul176.3 mm (6.9 in)30 July 1985
Aug115.8 mm (4.6 in)23 August 2011
Sep319.8 mm (12.6 in)12 September 1968
Oct138.7 mm (5.5 in)16 October 1980
Nov75.9 mm (3.0 in)13 November 1991
Dec51.8 mm (2.0 in)15 December 1967

Period of Record Coverage

1966 to 2013
Days with data per year at Siqueros 48 years of record at Siqueros, 1966 to 2013. 8 years have data for under 90 percent of days and are left out of rankings: 1966, 1970, 1971, 1972, 1980, 1981, 1986, 2013. 1966: 183 of 365 days1967: 365 of 365 days1968: 366 of 366 days1969: 363 of 365 days1970: 243 of 365 days1971: 31 of 365 days1972: 164 of 366 days1973: 365 of 365 days1974: 365 of 365 days1975: 365 of 365 days1976: 335 of 366 days1977: 365 of 365 days1978: 365 of 365 days1979: 365 of 365 days1980: 305 of 366 days1981: 160 of 365 days1982: 365 of 365 days1983: 365 of 365 days1984: 366 of 366 days1985: 334 of 365 days1986: 304 of 365 days1987: 365 of 365 days1988: 366 of 366 days1989: 365 of 365 days1990: 365 of 365 days1991: 365 of 365 days1992: 366 of 366 days1993: 365 of 365 days1994: 365 of 365 days1995: 365 of 365 days1996: 366 of 366 days1997: 365 of 365 days1998: 365 of 365 days1999: 365 of 365 days2000: 365 of 366 days2001: 365 of 365 days2002: 365 of 365 days2003: 365 of 365 days2004: 366 of 366 days2005: 364 of 365 days2006: 365 of 365 days2007: 365 of 365 days2008: 343 of 366 days2009: 335 of 365 days2010: 365 of 365 days2011: 365 of 365 days2012: 366 of 366 days2013: 90 of 365 days19701980199020002010
48 years of record at Siqueros, 1966 to 2013. 8 years have data for under 90 percent of days and are left out of rankings: 1966, 1970, 1971, 1972, 1980, 1981, 1986, 2013.
Days with data per year at Siqueros
YearDays with dataShare of yearComplete
196618350%No
1967365100%Yes
1968366100%Yes
196936399%Yes
197024367%No
1971318%No
197216445%No
1973365100%Yes
1974365100%Yes
1975365100%Yes
197633592%Yes
1977365100%Yes
1978365100%Yes
1979365100%Yes
198030583%No
198116044%No
1982365100%Yes
1983365100%Yes
1984366100%Yes
198533492%Yes
198630483%No
1987365100%Yes
1988366100%Yes
1989365100%Yes
1990365100%Yes
1991365100%Yes
1992366100%Yes
1993365100%Yes
1994365100%Yes
1995365100%Yes
1996366100%Yes
1997365100%Yes
1998365100%Yes
1999365100%Yes
2000365100%Yes
2001365100%Yes
2002365100%Yes
2003365100%Yes
2004366100%Yes
2005364100%Yes
2006365100%Yes
2007365100%Yes
200834394%Yes
200933592%Yes
2010365100%Yes
2011365100%Yes
2012366100%Yes
20139025%No

Latest Records

20
Latest records at Siqueros
DateStationRecordValueBeat old record byOld record stoodSignificance
29 March 2013Siqueros, MXdaily high max37.2 C (99.0 F)0.5 C (0.9 F)27 years13 of 100 (Routine)
12 March 2013Siqueros, MXmonthly low min (Tie)5.6 C (42.1 F)tie5 years3 of 100 (Routine)
11 March 2013Siqueros, MXmonthly low min (Tie)5.6 C (42.1 F)tie5 years3 of 100 (Routine)
5 March 2013Siqueros, MXdaily low min (Tie)7.2 C (45.0 F)tie4 years1 of 100 (Routine)
4 March 2013Siqueros, MXdaily low min6.7 C (44.1 F)1.1 C (2.0 F)20 years14 of 100 (Routine)
3 March 2013Siqueros, MXmonthly low min (Tie)5.6 C (42.1 F)tie4 years3 of 100 (Routine)
2 March 2013Siqueros, MXdaily high max36.1 C (97.0 F)0.5 C (0.9 F)23 years11 of 100 (Routine)
2 March 2013Siqueros, MXmonthly low min (Tie)5.6 C (42.1 F)tie4 years3 of 100 (Routine)
1 March 2013Siqueros, MXdaily low min7.2 C (45.0 F)0.6 C (1.1 F)16 years10 of 100 (Routine)
27 February 2013Siqueros, MXdaily low min6.1 C (43.0 F)0.6 C (1.1 F)2 years6 of 100 (Routine)
8 January 2013Siqueros, MXdaily low max (Tie)23.9 C (75.0 F)tie21 years2 of 100 (Routine)
1 January 2013Siqueros, MXdaily low max22.2 C (72.0 F)2.8 C (5.0 F)44 years26 of 100 (Routine)
31 December 2012Siqueros, MXdaily low max20.0 C (68.0 F)1.7 C (3.1 F)44 years22 of 100 (Routine)
31 December 2012Siqueros, MXdaily rain4.1 mm (0.16 in)0.3 mm (0.01 in)44 years17 of 100 (Routine)
9 December 2012Siqueros, MXdaily high min18.3 C (64.9 F)0.5 C (0.9 F)45 years18 of 100 (Routine)
22 October 2012Siqueros, MXdaily high min (Tie)22.8 C (73.0 F)tie32 years3 of 100 (Routine)
17 October 2012Siqueros, MXdaily low max28.3 C (82.9 F)3.4 C (6.1 F)45 years33 of 100 (Routine)
17 October 2012Siqueros, MXdaily rain25.1 mm (1.0 in)18.7 mm (0.7 in)40 years23 of 100 (Routine)
14 October 2012Siqueros, MXdaily low max30.0 C (86.0 F)2.2 C (4.0 F)4 years15 of 100 (Routine)
12 October 2012Siqueros, MXdaily low min (Tie)20.0 C (68.0 F)tie44 years4 of 100 (Routine)

Climate Trend

36 complete years, 1967 to 2012
Annual mean temperature at Siqueros as warming stripes, 1967 to 2012 One stripe for each of 36 complete years at Siqueros, 1967 to 2012. Blue stripes are years cooler than the station's own mean of 25.7 C (78.2 F); red stripes are warmer. The coolest year was 2011, at 24.5 C (76.2 F), and the warmest was 1994, at 27.2 C (80.9 F). The strongest colour marks a difference of 1.6 C (2.9 F). 1967: 24.8 C, -0.9 C from the station mean1968: 24.9 C, -0.7 C from the station mean1969: 25.5 C, -0.2 C from the station mean1973: 25.0 C, -0.7 C from the station mean1974: 24.9 C, -0.8 C from the station mean1975: 24.7 C, -0.9 C from the station mean1977: 25.6 C, -0.1 C from the station mean1978: 25.9 C, +0.2 C from the station mean1979: 25.4 C, -0.2 C from the station mean1982: 26.2 C, +0.5 C from the station mean1983: 25.7 C, 0.0 C from the station mean1984: 25.4 C, -0.3 C from the station mean1987: 25.9 C, +0.2 C from the station mean1988: 26.1 C, +0.4 C from the station mean1989: 26.4 C, +0.7 C from the station mean1990: 27.0 C, +1.4 C from the station mean1991: 26.7 C, +1.1 C from the station mean1992: 26.8 C, +1.1 C from the station mean1993: 26.5 C, +0.9 C from the station mean1994: 27.2 C, +1.5 C from the station mean1995: 26.4 C, +0.8 C from the station mean1996: 26.2 C, +0.5 C from the station mean1997: 26.1 C, +0.4 C from the station mean1998: 26.0 C, +0.4 C from the station mean1999: 25.5 C, -0.2 C from the station mean2000: 25.4 C, -0.3 C from the station mean2001: 25.2 C, -0.5 C from the station mean2002: 25.7 C, 0.0 C from the station mean2003: 25.7 C, 0.0 C from the station mean2004: 25.2 C, -0.5 C from the station mean2005: 25.1 C, -0.6 C from the station mean2006: 25.5 C, -0.2 C from the station mean2007: 25.1 C, -0.5 C from the station mean2010: 24.6 C, -1.0 C from the station mean2011: 24.5 C, -1.1 C from the station mean2012: 25.3 C, -0.4 C from the station mean1967197019751980198519901995200020052010
One stripe for each of 36 complete years at Siqueros, 1967 to 2012. Blue stripes are years cooler than the station's own mean of 25.7 C (78.2 F); red stripes are warmer. The coolest year was 2011, at 24.5 C (76.2 F), and the warmest was 1994, at 27.2 C (80.9 F). The strongest colour marks a difference of 1.6 C (2.9 F).
Annual mean temperature at Siqueros as warming stripes, 1967 to 2012
YearAnnual mean temperatureDifference from the station mean
196724.8 C-0.88 C
196824.9 C-0.75 C
196925.5 C-0.21 C
197325.0 C-0.72 C
197424.9 C-0.76 C
197524.7 C-0.94 C
197725.6 C-0.07 C
197825.9 C+0.20 C
197925.4 C-0.24 C
198226.2 C+0.53 C
198325.7 C-0.01 C
198425.4 C-0.27 C
198725.9 C+0.21 C
198826.1 C+0.39 C
198926.4 C+0.69 C
199027.0 C+1.36 C
199126.7 C+1.06 C
199226.8 C+1.14 C
199326.5 C+0.85 C
199427.2 C+1.52 C
199526.4 C+0.76 C
199626.2 C+0.54 C
199726.1 C+0.43 C
199826.0 C+0.35 C
199925.5 C-0.17 C
200025.4 C-0.30 C
200125.2 C-0.52 C
200225.7 C+0.02 C
200325.7 C+0.02 C
200425.2 C-0.50 C
200525.1 C-0.57 C
200625.5 C-0.22 C
200725.1 C-0.54 C
201024.6 C-1.04 C
201124.5 C-1.14 C
201225.3 C-0.39 C

The fitted trend in annual mean temperature here over 1967 to 2012 is 0.02 C (-0.17 to 0.20) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: 0.03 F (-0.30 to 0.37) per decade. The slope is a straight line fitted to 36 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Siqueros
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.02 C (-0.17 to 0.20) per decade0.03 F (-0.30 to 0.37) per decade1967 to 201236Not clearly different from zero
Mean daily maximum0.2 C (-0.1 to 0.5) per decade0.4 F (-0.1 to 0.9) per decade1967 to 201236Not clearly different from zero
Mean daily minimum-0.18 C (-0.32 to -0.05) per decade-0.3 F (-0.6 to -0.1) per decade1967 to 201236Fall

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

1966 to 2013
Yearly extremes at Siqueros: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)42.8 C (109.0 F)199139.4 C (102.9 F)48
Coldest night (TNn)-0.6 C (30.9 F)20117.8 C (46.0 F)48
Wettest day (Rx1day)319.8 mm (12.6 in)196879.8 mm (3.1 in)48
Wettest five days (Rx5day)350.3 mm (13.8 in)1968122.1 mm (4.8 in)48
Longest dry spell (CDD)181 days1991123 days48

Hottest day (TXx)

Hottest day (TXx) at Siqueros by year The hottest day of the year at Siqueros, 1966 to 2013. The record is 42.8 C (109.0 F) in 1991, marked on the chart; the median year is 39.4 C (102.9 F). 363840424419701980199020002010Record: 42.8 C (109.0 F) in 1991
The hottest day of the year at Siqueros, 1966 to 2013. The record is 42.8 C (109.0 F) in 1991, marked on the chart; the median year is 39.4 C (102.9 F).
Hottest day (TXx) at Siqueros by year
YearHottest day (TXx)
196637.8 C (100.0 F)
196736.7 C (98.1 F)
196838.9 C (102.0 F)
196940.0 C (104.0 F)
197036.7 C (98.1 F)
197137.8 C (100.0 F)
197237.8 C (100.0 F)
197337.8 C (100.0 F)
197438.9 C (102.0 F)
197536.7 C (98.1 F)
197640.0 C (104.0 F)
197740.0 C (104.0 F)
197840.6 C (105.1 F)
197940.6 C (105.1 F)
198041.7 C (107.1 F)
198138.9 C (102.0 F)
198239.4 C (102.9 F)
198340.0 C (104.0 F)
198439.4 C (102.9 F)
198538.9 C (102.0 F)
198640.0 C (104.0 F)
198740.6 C (105.1 F)
198840.6 C (105.1 F)
198940.6 C (105.1 F)
199040.6 C (105.1 F)
199142.8 C (109.0 F)
199241.7 C (107.1 F)
199341.7 C (107.1 F)
199441.7 C (107.1 F)
199540.6 C (105.1 F)
199640.0 C (104.0 F)
199740.6 C (105.1 F)
199840.6 C (105.1 F)
199940.0 C (104.0 F)
200038.9 C (102.0 F)
200138.9 C (102.0 F)
200238.3 C (100.9 F)
200338.3 C (100.9 F)
200438.9 C (102.0 F)
200538.9 C (102.0 F)
200640.0 C (104.0 F)
200738.3 C (100.9 F)
200839.4 C (102.9 F)
200937.8 C (100.0 F)
201038.3 C (100.9 F)
201138.3 C (100.9 F)
201239.4 C (102.9 F)
201337.2 C (99.0 F)

Coldest night (TNn)

Coldest night (TNn) at Siqueros by year The coldest night of the year at Siqueros, 1966 to 2013. The record is -0.6 C (30.9 F) in 2011, marked on the chart; the median year is 7.8 C (46.0 F). -10010203019701980199020002010Record: -0.6 C (30.9 F) in 2011
The coldest night of the year at Siqueros, 1966 to 2013. The record is -0.6 C (30.9 F) in 2011, marked on the chart; the median year is 7.8 C (46.0 F).
Coldest night (TNn) at Siqueros by year
YearColdest night (TNn)
19668.9 C (48.0 F)
19675.6 C (42.1 F)
19687.8 C (46.0 F)
19698.9 C (48.0 F)
197010.6 C (51.1 F)
197121.7 C (71.1 F)
197211.7 C (53.1 F)
19738.9 C (48.0 F)
19745.6 C (42.1 F)
19755.6 C (42.1 F)
19767.8 C (46.0 F)
19777.8 C (46.0 F)
19787.8 C (46.0 F)
19795.6 C (42.1 F)
19807.8 C (46.0 F)
198111.7 C (53.1 F)
19827.8 C (46.0 F)
19838.9 C (48.0 F)
19846.7 C (44.1 F)
19856.7 C (44.1 F)
19866.7 C (44.1 F)
19876.7 C (44.1 F)
19885.6 C (42.1 F)
19897.8 C (46.0 F)
19907.8 C (46.0 F)
19917.8 C (46.0 F)
19928.9 C (48.0 F)
19937.8 C (46.0 F)
19947.8 C (46.0 F)
199510.0 C (50.0 F)
19967.8 C (46.0 F)
19973.9 C (39.0 F)
19987.8 C (46.0 F)
19996.7 C (44.1 F)
20007.2 C (45.0 F)
20015.6 C (42.1 F)
20027.8 C (46.0 F)
20037.8 C (46.0 F)
20047.2 C (45.0 F)
20057.8 C (46.0 F)
20065.0 C (41.0 F)
20075.0 C (41.0 F)
20083.9 C (39.0 F)
20098.9 C (48.0 F)
20107.8 C (46.0 F)
2011-0.6 C (30.9 F)
20127.8 C (46.0 F)
20135.6 C (42.1 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Siqueros by year The wettest day of the year at Siqueros, 1966 to 2013. The record is 319.8 mm (12.6 in) in 1968, marked on the chart; the median year is 79.8 mm (3.1 in). 010020030040019701980199020002010Record: 319.8 mm (12.6 in) in 1968
The wettest day of the year at Siqueros, 1966 to 2013. The record is 319.8 mm (12.6 in) in 1968, marked on the chart; the median year is 79.8 mm (3.1 in).
Wettest day (Rx1day) at Siqueros by year
YearWettest day (Rx1day)
196673.9 mm (2.9 in)
196763.8 mm (2.5 in)
1968319.8 mm (12.6 in)
1969110.0 mm (4.3 in)
197065.8 mm (2.6 in)
197138.4 mm (1.5 in)
197226.7 mm (1.1 in)
197348.8 mm (1.9 in)
197442.4 mm (1.7 in)
197574.7 mm (2.9 in)
197681.3 mm (3.2 in)
1977107.7 mm (4.2 in)
197886.9 mm (3.4 in)
197961.2 mm (2.4 in)
1980138.7 mm (5.5 in)
198188.4 mm (3.5 in)
198279.8 mm (3.1 in)
1983104.1 mm (4.1 in)
198465.5 mm (2.6 in)
1985176.3 mm (6.9 in)
198698.0 mm (3.9 in)
198751.8 mm (2.0 in)
198898.3 mm (3.9 in)
198961.5 mm (2.4 in)
199084.8 mm (3.3 in)
199176.2 mm (3.0 in)
199295.8 mm (3.8 in)
1993140.0 mm (5.5 in)
199453.6 mm (2.1 in)
199582.6 mm (3.3 in)
199670.4 mm (2.8 in)
199767.8 mm (2.7 in)
1998107.4 mm (4.2 in)
1999105.7 mm (4.2 in)
200079.8 mm (3.1 in)
200154.4 mm (2.1 in)
200298.8 mm (3.9 in)
200369.3 mm (2.7 in)
200479.8 mm (3.1 in)
200569.6 mm (2.7 in)
2006222.5 mm (8.8 in)
200755.4 mm (2.2 in)
200878.0 mm (3.1 in)
200995.5 mm (3.8 in)
201096.3 mm (3.8 in)
2011115.8 mm (4.6 in)
201273.7 mm (2.9 in)
20130.0 mm (0.00 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Siqueros by year The wettest five days of the year at Siqueros, 1966 to 2013. The record is 350.3 mm (13.8 in) in 1968, marked on the chart; the median year is 122.1 mm (4.8 in). 010020030040019701980199020002010Record: 350.3 mm (13.8 in) in 1968
The wettest five days of the year at Siqueros, 1966 to 2013. The record is 350.3 mm (13.8 in) in 1968, marked on the chart; the median year is 122.1 mm (4.8 in).
Wettest five days (Rx5day) at Siqueros by year
YearWettest five days (Rx5day)
196693.5 mm (3.7 in)
196766.6 mm (2.6 in)
1968350.3 mm (13.8 in)
1969136.9 mm (5.4 in)
197077.7 mm (3.1 in)
197174.0 mm (2.9 in)
197232.8 mm (1.3 in)
197374.0 mm (2.9 in)
1974108.7 mm (4.3 in)
1975130.6 mm (5.1 in)
197690.2 mm (3.6 in)
1977138.5 mm (5.5 in)
197893.8 mm (3.7 in)
1979109.5 mm (4.3 in)
1980204.2 mm (8.0 in)
1981139.3 mm (5.5 in)
1982121.2 mm (4.8 in)
1983175.9 mm (6.9 in)
1984161.1 mm (6.3 in)
1985220.5 mm (8.7 in)
1986189.7 mm (7.5 in)
198790.5 mm (3.6 in)
1988198.5 mm (7.8 in)
1989115.6 mm (4.6 in)
1990126.8 mm (5.0 in)
1991187.8 mm (7.4 in)
1992109.5 mm (4.3 in)
1993220.3 mm (8.7 in)
199461.0 mm (2.4 in)
1995138.0 mm (5.4 in)
1996127.5 mm (5.0 in)
199795.5 mm (3.8 in)
1998148.0 mm (5.8 in)
1999123.6 mm (4.9 in)
2000153.9 mm (6.1 in)
200179.6 mm (3.1 in)
2002122.9 mm (4.8 in)
200397.1 mm (3.8 in)
2004112.0 mm (4.4 in)
200577.0 mm (3.0 in)
2006301.2 mm (11.9 in)
2007131.7 mm (5.2 in)
2008109.8 mm (4.3 in)
2009105.6 mm (4.2 in)
2010108.2 mm (4.3 in)
2011143.0 mm (5.6 in)
2012133.1 mm (5.2 in)
20134.1 mm (0.16 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Siqueros by year The longest dry spell of the year at Siqueros, 1966 to 2013. The record is 181 days in 1991, marked on the chart; the median year is 123 days. 05010015020019701980199020002010Record: 181 days in 1991
The longest dry spell of the year at Siqueros, 1966 to 2013. The record is 181 days in 1991, marked on the chart; the median year is 123 days.
Longest dry spell (CDD) at Siqueros by year
YearLongest dry spell (CDD)
196680 days
1967131 days
1968114 days
1969136 days
1970121 days
19717 days
197232 days
1973120 days
1974146 days
1975148 days
1976159 days
197781 days
1978121 days
1979103 days
198053 days
198132 days
1982180 days
198375 days
1984136 days
1985115 days
1986145 days
198781 days
1988120 days
1989165 days
1990125 days
1991181 days
1992105 days
1993148 days
1994110 days
1995143 days
1996171 days
199746 days
1998137 days
1999153 days
2000157 days
2001105 days
2002128 days
2003129 days
200489 days
2005123 days
2006142 days
2007166 days
2008160 days
200996 days
2010120 days
2011171 days
2012123 days
201390 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

40 years, 1967 to 2012

A day with at least 78.5 mm (3.1 in) of rain is expected about once in 2 years. A day with at least 299.2 mm (11.8 in) of rain is expected about once in 100 years.

Rainfall return levels at Siqueros: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years78.5 mm (3.1 in)
5 years110.9 mm (4.4 in)
10 years140.3 mm (5.5 in)
25 years189.8 mm (7.5 in)
50 years238.3 mm (9.4 in)Longer than the 40 years of record
100 years299.2 mm (11.8 in)Longer than the 40 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, 40 years of values from 1967 to 2012.

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: 319.8 mm (12.6 in) in 1968; 222.5 mm (8.8 in) in 2006; 176.3 mm (6.9 in) in 1985.

Download the Data

  • Data for Siqueros standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Siqueros 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 . Last revised (2025-12-31).