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Arizpe Weather Records (MXN00026005)

Record envelope, standing records and threshold days for Arizpe (MXN00026005), Mexico, with 52 years of record.

Key Facts for Arizpe

  • Arizpe (MXN00026005) is a weather station in Mexico at 30.33 latitude and -110.17 longitude, 836 m (2,742 ft) above sea level.
  • The station reports from 1961 to 2012, 52 years of record.
  • 1,464 records set at Arizpe still stand.
  • Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
  • Arizpe set a daily record low minimum temperature of 0.0 C (32.0 F) on 12 November 2012.

About the Station

  • Location: Mexico, 30.33 latitude, -110.17 longitude.
  • Elevation: 836 m (2,742 ft).
  • Period of record: 1961 to 2012, 52 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 Arizpe, with 2026 drawn through them The band shows the record high and record low for each calendar day at Arizpe. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -200204060 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Arizpe. 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 Arizpe, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan32.8 C (91.0 F)-7.8 C (18.0 F)n/an/a
Feb38.9 C (102.0 F)-12.2 C (10.0 F)n/an/a
Mar39.4 C (102.9 F)-4.4 C (24.1 F)n/an/a
Apr40.6 C (105.1 F)0.0 C (32.0 F)n/an/a
May45.0 C (113.0 F)0.0 C (32.0 F)n/an/a
Jun47.8 C (118.0 F)3.9 C (39.0 F)n/an/a
Jul47.8 C (118.0 F)10.0 C (50.0 F)n/an/a
Aug45.0 C (113.0 F)10.0 C (50.0 F)n/an/a
Sep47.8 C (118.0 F)6.7 C (44.1 F)n/an/a
Oct43.9 C (111.0 F)-3.3 C (26.1 F)n/an/a
Nov40.6 C (105.1 F)-7.2 C (19.0 F)n/an/a
Dec36.7 C (98.1 F)-7.2 C (19.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Arizpe by the year they were set 1,464 records at Arizpe still stand. 1963 holds the most, with 92. 02550751001961: 351962: 671963: 921964: 271965: 351966: 131967: 351968: 341969: 321970: 451971: 241972: 191973: 171974: 131975: 101976: 171977: 251978: 231979: 291980: 311981: 101982: 141983: 521984: 431985: 141986: 321987: 151988: 101996: 691997: 261998: 12000: 132001: 412002: 282003: 412004: 502005: 502006: 362007: 412008: 582009: 412010: 602011: 602012: 36196119661971197619811986199820042009
1,464 records at Arizpe still stand. 1963 holds the most, with 92.
Standing records at Arizpe by the year they were set
Year setStanding records
196135
196267
196392
196427
196535
196613
196735
196834
196932
197045
197124
197219
197317
197413
197510
197617
197725
197823
197929
198031
198110
198214
198352
198443
198514
198632
198715
198810
199669
199726
19981
200013
200141
200228
200341
200450
200550
200636
200741
200858
200941
201060
201160
201236

All-Time Record Progression

2 new records
When Arizpe set new all-time records 2 all-time records were set at Arizpe between 3 February 2011 and 3 February 2011. Each dot is a new record. Record low maximum temperatureRecord low minimum temperature3 February 2011: Record low maximum temperature -1.1 C (30.0 F)3 February 2011: Record low minimum temperature -12.2 C (10.0 F)
2 all-time records were set at Arizpe between 3 February 2011 and 3 February 2011. Each dot is a new record.
When Arizpe set new all-time records
DateKindDetail
2011-02-03Record low maximum temperatureRecord low maximum temperature -1.1 C (30.0 F)
2011-02-03Record low minimum temperatureRecord low minimum temperature -12.2 C (10.0 F)

Wettest Day of Each Month

Dec: 87.4 mm (3.4 in)
Record daily precipitation for each month at Arizpe The wettest day on record for each calendar month at Arizpe. The most was 87.4 mm (3.4 in) on 27 December 1984. 0255075100 Jan: 73.9 mm (2.9 in), 8 January 1974 Jan Feb: 77.0 mm (3.0 in), 13 February 1980 Feb Mar: 67.3 mm (2.6 in), 3 March 1983 Mar Apr: 24.9 mm (1.0 in), 3 April 2004 Apr May: 41.9 mm (1.6 in), 4 May 1973 May Jun: 42.9 mm (1.7 in), 28 June 1980 Jun Jul: 83.8 mm (3.3 in), 26 July 1962 Jul Aug: 67.8 mm (2.7 in), 9 August 2011 Aug Sep: 56.9 mm (2.2 in), 14 September 1983 Sep Oct: 41.9 mm (1.6 in), 23 October 2006 Oct Nov: 52.3 mm (2.1 in), 30 November 2007 Nov Dec: 87.4 mm (3.4 in), 27 December 1984 Dec
The wettest day on record for each calendar month at Arizpe. The most was 87.4 mm (3.4 in) on 27 December 1984.
Record daily precipitation for each month at Arizpe
MonthRecord daily precipitation (mm)Date
Jan73.9 mm (2.9 in)8 January 1974
Feb77.0 mm (3.0 in)13 February 1980
Mar67.3 mm (2.6 in)3 March 1983
Apr24.9 mm (1.0 in)3 April 2004
May41.9 mm (1.6 in)4 May 1973
Jun42.9 mm (1.7 in)28 June 1980
Jul83.8 mm (3.3 in)26 July 1962
Aug67.8 mm (2.7 in)9 August 2011
Sep56.9 mm (2.2 in)14 September 1983
Oct41.9 mm (1.6 in)23 October 2006
Nov52.3 mm (2.1 in)30 November 2007
Dec87.4 mm (3.4 in)27 December 1984

Period of Record Coverage

1961 to 2012
Days with data per year at Arizpe 44 years of record at Arizpe, 1961 to 2012. 12 years have data for under 90 percent of days and are left out of rankings: 1961, 1972, 1985, 1987, 1988, 1996, 1997, 1998 and others. 1961: 263 of 365 days1962: 364 of 365 days1963: 365 of 365 days1964: 366 of 366 days1965: 365 of 365 days1966: 365 of 365 days1967: 364 of 365 days1968: 362 of 366 days1969: 365 of 365 days1970: 365 of 365 days1971: 365 of 365 days1972: 255 of 366 days1973: 364 of 365 days1974: 365 of 365 days1975: 365 of 365 days1976: 366 of 366 days1977: 363 of 365 days1978: 365 of 365 days1979: 365 of 365 days1980: 365 of 366 days1981: 365 of 365 days1982: 365 of 365 days1983: 365 of 365 days1984: 366 of 366 days1985: 154 of 365 days1986: 334 of 365 days1987: 120 of 365 days1988: 151 of 366 days1996: 91 of 366 days1997: 147 of 365 days1998: 54 of 365 days2000: 122 of 366 days2001: 349 of 365 days2002: 329 of 365 days2003: 339 of 365 days2004: 349 of 366 days2005: 363 of 365 days2006: 315 of 365 days2007: 267 of 365 days2008: 351 of 366 days2009: 298 of 365 days2010: 348 of 365 days2011: 358 of 365 days2012: 333 of 366 days1970198020002010
44 years of record at Arizpe, 1961 to 2012. 12 years have data for under 90 percent of days and are left out of rankings: 1961, 1972, 1985, 1987, 1988, 1996, 1997, 1998 and others.
Days with data per year at Arizpe
YearDays with dataShare of yearComplete
196126372%No
1962364100%Yes
1963365100%Yes
1964366100%Yes
1965365100%Yes
1966365100%Yes
1967364100%Yes
196836299%Yes
1969365100%Yes
1970365100%Yes
1971365100%Yes
197225570%No
1973364100%Yes
1974365100%Yes
1975365100%Yes
1976366100%Yes
197736399%Yes
1978365100%Yes
1979365100%Yes
1980365100%Yes
1981365100%Yes
1982365100%Yes
1983365100%Yes
1984366100%Yes
198515442%No
198633492%Yes
198712033%No
198815141%No
19969125%No
199714740%No
19985415%No
200012233%No
200134996%Yes
200232990%Yes
200333993%Yes
200434995%Yes
200536399%Yes
200631586%No
200726773%No
200835196%Yes
200929882%No
201034895%Yes
201135898%Yes
201233391%Yes

Latest Records

20
Latest records at Arizpe
DateStationRecordValueBeat old record byOld record stoodSignificance
12 November 2012Arizpe, MXdaily low min0.0 C (32.0 F)0.6 C (1.1 F)2 years6 of 100 (Routine)
12 November 2012Arizpe, MXdaily low max (Tie)18.9 C (66.0 F)tie15 years2 of 100 (Routine)
11 November 2012Arizpe, MXdaily low max17.8 C (64.0 F)1.1 C (2.0 F)38 years18 of 100 (Routine)
11 November 2012Arizpe, MXdaily low min (Tie)-1.1 C (30.0 F)tie2 years1 of 100 (Routine)
10 November 2012Arizpe, MXdaily low max16.7 C (62.1 F)1.6 C (2.9 F)38 years19 of 100 (Routine)
22 October 2012Arizpe, MXdaily low min (Tie)5.0 C (41.0 F)tie29 years3 of 100 (Routine)
7 October 2012Arizpe, MXdaily low min (Tie)7.8 C (46.0 F)tie40 years4 of 100 (Routine)
6 October 2012Arizpe, MXdaily low min6.7 C (44.1 F)1.1 C (2.0 F)1 year7 of 100 (Routine)
27 September 2012Arizpe, MXdaily low max25.0 C (77.0 F)5.0 C (9.0 F)45 years33 of 100 (Routine)
18 September 2012Arizpe, MXdaily low min10.0 C (50.0 F)0.6 C (1.1 F)6 years7 of 100 (Routine)
17 September 2012Arizpe, MXdaily low min (Tie)10.0 C (50.0 F)tie6 years1 of 100 (Routine)
14 September 2012Arizpe, MXdaily low max (Tie)26.7 C (80.1 F)tie1 year1 of 100 (Routine)
11 September 2012Arizpe, MXdaily low max27.8 C (82.0 F)0.5 C (0.9 F)30 years15 of 100 (Routine)
5 September 2012Arizpe, MXdaily low max (Tie)30.0 C (86.0 F)tie28 years3 of 100 (Routine)
29 August 2012Arizpe, MXdaily low min (Tie)15.0 C (59.0 F)tie28 years3 of 100 (Routine)
27 August 2012Arizpe, MXdaily rain29.0 mm (1.1 in)14.0 mm (0.6 in)36 years26 of 100 (Routine)
22 August 2012Arizpe, MXdaily low max (Tie)27.8 C (82.0 F)tie3 years1 of 100 (Routine)
18 August 2012Arizpe, MXdaily low max28.9 C (84.0 F)1.1 C (2.0 F)29 years16 of 100 (Routine)
17 August 2012Arizpe, MXdaily low max26.7 C (80.1 F)2.2 C (4.0 F)2 years11 of 100 (Routine)
6 August 2012Arizpe, MXdaily low min (Tie)15.0 C (59.0 F)tie42 years4 of 100 (Routine)

Climate Trend

29 complete years, 1962 to 2011
Annual mean temperature at Arizpe as warming stripes, 1962 to 2011 One stripe for each of 29 complete years at Arizpe, 1962 to 2011. Blue stripes are years cooler than the station's own mean of 19.7 C (67.4 F); red stripes are warmer. The coolest year was 2011, at 17.7 C (63.8 F), and the warmest was 1963, at 21.5 C (70.7 F). The strongest colour marks a difference of 2.0 C (3.6 F). 1962: 20.7 C, +1.0 C from the station mean1963: 21.5 C, +1.9 C from the station mean1964: 19.9 C, +0.3 C from the station mean1965: 20.5 C, +0.8 C from the station mean1966: 19.9 C, +0.2 C from the station mean1967: 19.6 C, -0.1 C from the station mean1968: 19.0 C, -0.6 C from the station mean1969: 19.7 C, +0.1 C from the station mean1970: 19.1 C, -0.5 C from the station mean1971: 20.5 C, +0.9 C from the station mean1973: 18.5 C, -1.1 C from the station mean1974: 19.9 C, +0.3 C from the station mean1975: 18.7 C, -0.9 C from the station mean1976: 19.1 C, -0.5 C from the station mean1977: 19.7 C, 0.0 C from the station mean1978: 20.0 C, +0.3 C from the station mean1979: 19.9 C, +0.2 C from the station mean1980: 20.6 C, +0.9 C from the station mean1981: 20.2 C, +0.6 C from the station mean1982: 19.6 C, 0.0 C from the station mean1983: 18.6 C, -1.0 C from the station mean1984: 18.6 C, -1.1 C from the station mean2001: 20.3 C, +0.7 C from the station mean2002: 20.0 C, +0.4 C from the station mean2003: 20.7 C, +1.1 C from the station mean2004: 19.1 C, -0.5 C from the station mean2005: 19.5 C, -0.1 C from the station mean2008: 18.7 C, -1.0 C from the station mean2011: 17.7 C, -2.0 C from the station mean19621965197019751980198519901995200020052010
One stripe for each of 29 complete years at Arizpe, 1962 to 2011. Blue stripes are years cooler than the station's own mean of 19.7 C (67.4 F); red stripes are warmer. The coolest year was 2011, at 17.7 C (63.8 F), and the warmest was 1963, at 21.5 C (70.7 F). The strongest colour marks a difference of 2.0 C (3.6 F).
Annual mean temperature at Arizpe as warming stripes, 1962 to 2011
YearAnnual mean temperatureDifference from the station mean
196220.7 C+1.04 C
196321.5 C+1.86 C
196419.9 C+0.26 C
196520.5 C+0.82 C
196619.9 C+0.21 C
196719.6 C-0.06 C
196819.0 C-0.62 C
196919.7 C+0.06 C
197019.1 C-0.53 C
197120.5 C+0.89 C
197318.5 C-1.12 C
197419.9 C+0.26 C
197518.7 C-0.93 C
197619.1 C-0.54 C
197719.7 C0.00 C
197820.0 C+0.34 C
197919.9 C+0.24 C
198020.6 C+0.92 C
198120.2 C+0.56 C
198219.6 C-0.02 C
198318.6 C-1.03 C
198418.6 C-1.09 C
200120.3 C+0.67 C
200220.0 C+0.39 C
200320.7 C+1.07 C
200419.1 C-0.54 C
200519.5 C-0.11 C
200818.7 C-0.98 C
201117.7 C-1.96 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

1961 to 2012
Yearly extremes at Arizpe: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)47.8 C (118.0 F)200043.6 C (110.5 F)44
Coldest night (TNn)-12.2 C (10.0 F)2011-3.0 C (26.5 F)44
Wettest day (Rx1day)87.4 mm (3.4 in)198441.4 mm (1.6 in)44
Wettest five days (Rx5day)130.3 mm (5.1 in)196666.4 mm (2.6 in)44
Longest dry spell (CDD)178 days196378 days44

Hottest day (TXx)

Hottest day (TXx) at Arizpe by year The hottest day of the year at Arizpe, 1961 to 2012. The record is 47.8 C (118.0 F) in 2000, marked on the chart; the median year is 43.6 C (110.5 F). 3540455019701980199020002010Record: 47.8 C (118.0 F) in 2000
The hottest day of the year at Arizpe, 1961 to 2012. The record is 47.8 C (118.0 F) in 2000, marked on the chart; the median year is 43.6 C (110.5 F).
Hottest day (TXx) at Arizpe by year
YearHottest day (TXx)
196145.6 C (114.1 F)
196245.6 C (114.1 F)
196346.1 C (115.0 F)
196445.0 C (113.0 F)
196543.3 C (109.9 F)
196643.3 C (109.9 F)
196741.1 C (106.0 F)
196843.9 C (111.0 F)
196943.3 C (109.9 F)
197042.2 C (108.0 F)
197142.2 C (108.0 F)
197235.6 C (96.1 F)
197342.8 C (109.0 F)
197442.8 C (109.0 F)
197541.1 C (106.0 F)
197642.2 C (108.0 F)
197743.9 C (111.0 F)
197844.4 C (111.9 F)
197945.0 C (113.0 F)
198045.0 C (113.0 F)
198144.4 C (111.9 F)
198243.9 C (111.0 F)
198345.0 C (113.0 F)
198440.0 C (104.0 F)
198544.4 C (111.9 F)
198642.2 C (108.0 F)
198735.6 C (96.1 F)
198838.9 C (102.0 F)
199640.0 C (104.0 F)
199743.9 C (111.0 F)
199840.0 C (104.0 F)
200047.8 C (118.0 F)
200143.9 C (111.0 F)
200245.0 C (113.0 F)
200347.8 C (118.0 F)
200443.9 C (111.0 F)
200545.0 C (113.0 F)
200645.6 C (114.1 F)
200742.8 C (109.0 F)
200847.8 C (118.0 F)
200940.0 C (104.0 F)
201041.7 C (107.1 F)
201142.8 C (109.0 F)
201240.6 C (105.1 F)

Coldest night (TNn)

Coldest night (TNn) at Arizpe by year The coldest night of the year at Arizpe, 1961 to 2012. The record is -12.2 C (10.0 F) in 2011, marked on the chart; the median year is -3.0 C (26.5 F). -15-10-50519701980199020002010Record: -12.2 C (10.0 F) in 2011
The coldest night of the year at Arizpe, 1961 to 2012. The record is -12.2 C (10.0 F) in 2011, marked on the chart; the median year is -3.0 C (26.5 F).
Coldest night (TNn) at Arizpe by year
YearColdest night (TNn)
19610.6 C (33.1 F)
19620.6 C (33.1 F)
19630.6 C (33.1 F)
19640.6 C (33.1 F)
19651.1 C (34.0 F)
19660.6 C (33.1 F)
1967-3.3 C (26.1 F)
19680.6 C (33.1 F)
19690.6 C (33.1 F)
19700.6 C (33.1 F)
1971-7.8 C (18.0 F)
1972-2.2 C (28.0 F)
1973-5.0 C (23.0 F)
1974-3.3 C (26.1 F)
1975-5.0 C (23.0 F)
1976-2.8 C (27.0 F)
1977-2.8 C (27.0 F)
1978-4.4 C (24.1 F)
1979-3.3 C (26.1 F)
19800.0 C (32.0 F)
1981-2.2 C (28.0 F)
1982-3.9 C (25.0 F)
1983-1.1 C (30.0 F)
19840.6 C (33.1 F)
1985-3.9 C (25.0 F)
1986-1.1 C (30.0 F)
1987-5.0 C (23.0 F)
19880.6 C (33.1 F)
19960.0 C (32.0 F)
19973.9 C (39.0 F)
19980.0 C (32.0 F)
20001.7 C (35.1 F)
2001-4.4 C (24.1 F)
2002-3.3 C (26.1 F)
2003-4.4 C (24.1 F)
2004-4.4 C (24.1 F)
2005-3.3 C (26.1 F)
2006-7.2 C (19.0 F)
2007-6.1 C (21.0 F)
2008-6.1 C (21.0 F)
2009-6.1 C (21.0 F)
2010-7.2 C (19.0 F)
2011-12.2 C (10.0 F)
2012-5.0 C (23.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Arizpe by year The wettest day of the year at Arizpe, 1961 to 2012. The record is 87.4 mm (3.4 in) in 1984, marked on the chart; the median year is 41.4 mm (1.6 in). 025507510019701980199020002010Record: 87.4 mm (3.4 in) in 1984
The wettest day of the year at Arizpe, 1961 to 2012. The record is 87.4 mm (3.4 in) in 1984, marked on the chart; the median year is 41.4 mm (1.6 in).
Wettest day (Rx1day) at Arizpe by year
YearWettest day (Rx1day)
196131.0 mm (1.2 in)
196283.8 mm (3.3 in)
196349.8 mm (2.0 in)
196451.8 mm (2.0 in)
196554.9 mm (2.2 in)
196649.8 mm (2.0 in)
196747.8 mm (1.9 in)
196842.9 mm (1.7 in)
196925.9 mm (1.0 in)
197038.9 mm (1.5 in)
197137.8 mm (1.5 in)
197254.9 mm (2.2 in)
197351.8 mm (2.0 in)
197473.9 mm (2.9 in)
197539.9 mm (1.6 in)
197622.9 mm (0.9 in)
197754.9 mm (2.2 in)
197837.3 mm (1.5 in)
197942.9 mm (1.7 in)
198077.0 mm (3.0 in)
198136.8 mm (1.4 in)
198236.8 mm (1.4 in)
198367.3 mm (2.6 in)
198487.4 mm (3.4 in)
198530.0 mm (1.2 in)
198647.5 mm (1.9 in)
198726.4 mm (1.0 in)
198823.9 mm (0.9 in)
19960.0 mm (0.00 in)
19974.8 mm (0.19 in)
19982.3 mm (0.09 in)
20006.9 mm (0.27 in)
200133.3 mm (1.3 in)
200229.0 mm (1.1 in)
200329.0 mm (1.1 in)
200435.8 mm (1.4 in)
200546.0 mm (1.8 in)
200648.8 mm (1.9 in)
200752.3 mm (2.1 in)
200845.0 mm (1.8 in)
200947.5 mm (1.9 in)
201032.8 mm (1.3 in)
201167.8 mm (2.7 in)
201229.0 mm (1.1 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Arizpe by year The wettest five days of the year at Arizpe, 1961 to 2012. The record is 130.3 mm (5.1 in) in 1966, marked on the chart; the median year is 66.4 mm (2.6 in). 05010015019701980199020002010Record: 130.3 mm (5.1 in) in 1966
The wettest five days of the year at Arizpe, 1961 to 2012. The record is 130.3 mm (5.1 in) in 1966, marked on the chart; the median year is 66.4 mm (2.6 in).
Wettest five days (Rx5day) at Arizpe by year
YearWettest five days (Rx5day)
196146.2 mm (1.8 in)
1962105.4 mm (4.1 in)
196386.3 mm (3.4 in)
196484.4 mm (3.3 in)
196577.5 mm (3.1 in)
1966130.3 mm (5.1 in)
196791.3 mm (3.6 in)
196864.3 mm (2.5 in)
196940.3 mm (1.6 in)
197071.7 mm (2.8 in)
197161.0 mm (2.4 in)
197293.4 mm (3.7 in)
197373.6 mm (2.9 in)
197473.9 mm (2.9 in)
197571.4 mm (2.8 in)
197659.4 mm (2.3 in)
1977103.7 mm (4.1 in)
197884.5 mm (3.3 in)
197996.0 mm (3.8 in)
198086.4 mm (3.4 in)
198169.8 mm (2.7 in)
198277.5 mm (3.1 in)
1983105.2 mm (4.1 in)
198489.2 mm (3.5 in)
198559.2 mm (2.3 in)
198666.1 mm (2.6 in)
198731.5 mm (1.2 in)
198834.8 mm (1.4 in)
19960.0 mm (0.00 in)
19979.4 mm (0.37 in)
19983.1 mm (0.12 in)
20006.9 mm (0.27 in)
200157.7 mm (2.3 in)
200256.6 mm (2.2 in)
200364.8 mm (2.6 in)
200457.7 mm (2.3 in)
200558.7 mm (2.3 in)
200664.0 mm (2.5 in)
200766.8 mm (2.6 in)
200857.9 mm (2.3 in)
200969.8 mm (2.7 in)
201054.7 mm (2.2 in)
201177.2 mm (3.0 in)
201247.4 mm (1.9 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Arizpe by year The longest dry spell of the year at Arizpe, 1961 to 2012. The record is 178 days in 1963, marked on the chart; the median year is 78 days. 05010015020019701980199020002010Record: 178 days in 1963
The longest dry spell of the year at Arizpe, 1961 to 2012. The record is 178 days in 1963, marked on the chart; the median year is 78 days.
Longest dry spell (CDD) at Arizpe by year
YearLongest dry spell (CDD)
196166 days
196298 days
1963178 days
1964105 days
196597 days
196677 days
1967101 days
196884 days
196972 days
1970119 days
1971108 days
1972150 days
1973133 days
1974110 days
1975111 days
197662 days
197761 days
1978107 days
197960 days
198086 days
198153 days
198295 days
198351 days
198490 days
198539 days
198672 days
198750 days
198843 days
199682 days
199731 days
199833 days
200066 days
200137 days
2002154 days
200364 days
200461 days
200575 days
200678 days
200769 days
2008122 days
200969 days
201078 days
2011121 days
2012120 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

36 years, 1962 to 2012

A day with at least 44.8 mm (1.8 in) of rain is expected about once in 2 years. A day with at least 99.1 mm (3.9 in) of rain is expected about once in 100 years.

Rainfall return levels at Arizpe: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years44.8 mm (1.8 in)
5 years59.1 mm (2.3 in)
10 years68.7 mm (2.7 in)
25 years80.9 mm (3.2 in)
50 years90.0 mm (3.5 in)Longer than the 36 years of record
100 years99.1 mm (3.9 in)Longer than the 36 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, 36 years of values from 1962 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: 87.4 mm (3.4 in) in 1984; 83.8 mm (3.3 in) in 1962; 77.0 mm (3.0 in) in 1980.

Download the Data

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