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Presa Chihuahua (Smn) Weather Records (MXN00008113)

Record envelope, standing records and threshold days for Presa Chihuahua (Smn) (MXN00008113), Mexico, with 41 years of record.

Key Facts for Presa Chihuahua (Smn)

  • Presa Chihuahua (Smn) (MXN00008113) is a weather station in Mexico at 28.57 latitude and -106.15 longitude, 1,532 m (5,026 ft) above sea level.
  • The station reports from 1961 to 2001, 41 years of record.
  • 1,464 records set at Presa Chihuahua (Smn) still stand.
  • Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
  • Presa Chihuahua (Smn) set a daily record high minimum temperature of 20.0 C (68.0 F) on 2 June 2001.

About the Station

  • Location: Mexico, 28.57 latitude, -106.15 longitude.
  • Elevation: 1,532 m (5,026 ft).
  • Period of record: 1961 to 2001, 41 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 Presa Chihuahua (Smn), with 2026 drawn through them The band shows the record high and record low for each calendar day at Presa Chihuahua (Smn). 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 Presa Chihuahua (Smn). 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 Presa Chihuahua (Smn), with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan27.8 C (82.0 F)-14.4 C (6.1 F)n/an/a
Feb29.4 C (84.9 F)-8.3 C (17.1 F)n/an/a
Mar32.8 C (91.0 F)-6.1 C (21.0 F)n/an/a
Apr35.0 C (95.0 F)-2.2 C (28.0 F)n/an/a
May40.0 C (104.0 F)3.9 C (39.0 F)n/an/a
Jun40.6 C (105.1 F)9.4 C (48.9 F)n/an/a
Jul39.4 C (102.9 F)6.7 C (44.1 F)n/an/a
Aug36.7 C (98.1 F)10.6 C (51.1 F)n/an/a
Sep35.0 C (95.0 F)3.9 C (39.0 F)n/an/a
Oct35.0 C (95.0 F)-1.1 C (30.0 F)n/an/a
Nov30.6 C (87.1 F)-6.1 C (21.0 F)n/an/a
Dec30.6 C (87.1 F)-10.0 C (14.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Presa Chihuahua (Smn) by the year they were set 1,464 records at Presa Chihuahua (Smn) still stand. 1973 holds the most, with 89. 02550751001961: 111962: 601963: 581964: 411965: 551966: 381967: 481968: 231969: 491970: 531971: 291972: 661973: 891974: 261975: 181976: 421977: 351978: 441979: 461980: 671981: 211982: 101983: 271984: 151985: 161986: 461987: 721988: 511989: 361990: 281991: 251992: 371993: 191994: 291995: 231996: 231997: 261998: 281999: 12000: 262001: 7196119661971197619811986199119962001
1,464 records at Presa Chihuahua (Smn) still stand. 1973 holds the most, with 89.
Standing records at Presa Chihuahua (Smn) by the year they were set
Year setStanding records
196111
196260
196358
196441
196555
196638
196748
196823
196949
197053
197129
197266
197389
197426
197518
197642
197735
197844
197946
198067
198121
198210
198327
198415
198516
198646
198772
198851
198936
199028
199125
199237
199319
199429
199523
199623
199726
199828
19991
200026
20017

Wettest Day of Each Month

Jun: 116.3 mm (4.6 in)
Record daily precipitation for each month at Presa Chihuahua (Smn) The wettest day on record for each calendar month at Presa Chihuahua (Smn). The most was 116.3 mm (4.6 in) on 26 June 1966. 050100150 Jan: 33.8 mm (1.3 in), 10 January 1992 Jan Feb: 16.8 mm (0.7 in), 21 February 1973 Feb Mar: 19.8 mm (0.8 in), 9 March 1997 Mar Apr: 33.8 mm (1.3 in), 8 April 1985 Apr May: 93.0 mm (3.7 in), 17 May 1976 May Jun: 116.3 mm (4.6 in), 26 June 1966 Jun Jul: 72.9 mm (2.9 in), 1 July 1968 Jul Aug: 69.9 mm (2.8 in), 17 August 1979 Aug Sep: 100.8 mm (4.0 in), 22 September 1990 Sep Oct: 50.8 mm (2.0 in), 4 October 1986 Oct Nov: 18.8 mm (0.7 in), 16 November 1976 Nov Dec: 24.4 mm (1.0 in), 8 December 1982 Dec
The wettest day on record for each calendar month at Presa Chihuahua (Smn). The most was 116.3 mm (4.6 in) on 26 June 1966.
Record daily precipitation for each month at Presa Chihuahua (Smn)
MonthRecord daily precipitation (mm)Date
Jan33.8 mm (1.3 in)10 January 1992
Feb16.8 mm (0.7 in)21 February 1973
Mar19.8 mm (0.8 in)9 March 1997
Apr33.8 mm (1.3 in)8 April 1985
May93.0 mm (3.7 in)17 May 1976
Jun116.3 mm (4.6 in)26 June 1966
Jul72.9 mm (2.9 in)1 July 1968
Aug69.9 mm (2.8 in)17 August 1979
Sep100.8 mm (4.0 in)22 September 1990
Oct50.8 mm (2.0 in)4 October 1986
Nov18.8 mm (0.7 in)16 November 1976
Dec24.4 mm (1.0 in)8 December 1982

Period of Record Coverage

1961 to 2001
Days with data per year at Presa Chihuahua (Smn) 41 years of record at Presa Chihuahua (Smn), 1961 to 2001. 11 years have data for under 90 percent of days and are left out of rankings: 1961, 1969, 1971, 1980, 1982, 1983, 1984, 1989 and others. 1961: 100 of 365 days1962: 365 of 365 days1963: 363 of 365 days1964: 366 of 366 days1965: 365 of 365 days1966: 364 of 365 days1967: 365 of 365 days1968: 365 of 366 days1969: 300 of 365 days1970: 363 of 365 days1971: 181 of 365 days1972: 366 of 366 days1973: 349 of 365 days1974: 361 of 365 days1975: 360 of 365 days1976: 361 of 366 days1977: 361 of 365 days1978: 363 of 365 days1979: 364 of 365 days1980: 300 of 366 days1981: 362 of 365 days1982: 150 of 365 days1983: 272 of 365 days1984: 307 of 366 days1985: 365 of 365 days1986: 364 of 365 days1987: 365 of 365 days1988: 366 of 366 days1989: 297 of 365 days1990: 364 of 365 days1991: 362 of 365 days1992: 364 of 366 days1993: 364 of 365 days1994: 364 of 365 days1995: 364 of 365 days1996: 358 of 366 days1997: 352 of 365 days1998: 361 of 365 days1999: 60 of 365 days2000: 289 of 366 days2001: 150 of 365 days1970198019902000
41 years of record at Presa Chihuahua (Smn), 1961 to 2001. 11 years have data for under 90 percent of days and are left out of rankings: 1961, 1969, 1971, 1980, 1982, 1983, 1984, 1989 and others.
Days with data per year at Presa Chihuahua (Smn)
YearDays with dataShare of yearComplete
196110027%No
1962365100%Yes
196336399%Yes
1964366100%Yes
1965365100%Yes
1966364100%Yes
1967365100%Yes
1968365100%Yes
196930082%No
197036399%Yes
197118150%No
1972366100%Yes
197334996%Yes
197436199%Yes
197536099%Yes
197636199%Yes
197736199%Yes
197836399%Yes
1979364100%Yes
198030082%No
198136299%Yes
198215041%No
198327275%No
198430784%No
1985365100%Yes
1986364100%Yes
1987365100%Yes
1988366100%Yes
198929781%No
1990364100%Yes
199136299%Yes
199236499%Yes
1993364100%Yes
1994364100%Yes
1995364100%Yes
199635898%Yes
199735296%Yes
199836199%Yes
19996016%No
200028979%No
200115041%No

Latest Records

20
Latest records at Presa Chihuahua (Smn)
DateStationRecordValueBeat old record byOld record stoodSignificance
2 June 2001Presa Chihuahua (Smn), MXdaily high min20.0 C (68.0 F)1.1 C (2.0 F)36 years18 of 100 (Routine)
27 May 2001Presa Chihuahua (Smn), MXdaily high max38.9 C (102.0 F)0.6 C (1.1 F)10 years8 of 100 (Routine)
6 May 2001Presa Chihuahua (Smn), MXdaily low min8.3 C (46.9 F)0.6 C (1.1 F)10 years8 of 100 (Routine)
22 April 2001Presa Chihuahua (Smn), MXdaily high min17.8 C (64.0 F)2.2 C (4.0 F)20 years15 of 100 (Routine)
21 April 2001Presa Chihuahua (Smn), MXdaily high min (Tie)16.7 C (62.1 F)tie20 years2 of 100 (Routine)
16 April 2001Presa Chihuahua (Smn), MXdaily high max (Tie)31.7 C (89.1 F)tie38 years3 of 100 (Routine)
22 March 2001Presa Chihuahua (Smn), MXdaily high max28.9 C (84.0 F)0.6 C (1.1 F)11 years8 of 100 (Routine)
2 March 2001Presa Chihuahua (Smn), MXdaily low max8.9 C (48.0 F)2.8 C (5.0 F)30 years19 of 100 (Routine)
2 March 2001Presa Chihuahua (Smn), MXdaily rain1.3 mm (0.05 in)0.5 mm (0.02 in)32 years14 of 100 (Routine)
13 February 2001Presa Chihuahua (Smn), MXdaily high min (Tie)7.8 C (46.0 F)tie39 years3 of 100 (Routine)
6 February 2001Presa Chihuahua (Smn), MXdaily high max25.0 C (77.0 F)0.6 C (1.1 F)5 years6 of 100 (Routine)
12 January 2001Presa Chihuahua (Smn), MXdaily high min (Tie)5.0 C (41.0 F)tie20 years2 of 100 (Routine)
11 December 2000Presa Chihuahua (Smn), MXdaily high min (Tie)10.0 C (50.0 F)tie39 years3 of 100 (Routine)
2 December 2000Presa Chihuahua (Smn), MXdaily low max (Tie)8.9 C (48.0 F)tie24 years2 of 100 (Routine)
9 November 2000Presa Chihuahua (Smn), MXdaily low max13.9 C (57.0 F)1.1 C (2.0 F)19 years11 of 100 (Routine)
9 November 2000Presa Chihuahua (Smn), MXdaily low min-1.1 C (30.0 F)0.5 C (0.9 F)10 years8 of 100 (Routine)
8 November 2000Presa Chihuahua (Smn), MXdaily low min-1.1 C (30.0 F)1.1 C (2.0 F)8 years8 of 100 (Routine)
7 November 2000Presa Chihuahua (Smn), MXdaily rain16.8 mm (0.7 in)13.0 mm (0.5 in)26 years20 of 100 (Routine)
20 October 2000Presa Chihuahua (Smn), MXdaily low max16.1 C (61.0 F)1.7 C (3.1 F)26 years15 of 100 (Routine)
10 October 2000Presa Chihuahua (Smn), MXdaily low min2.2 C (36.0 F)2.8 C (5.0 F)24 years18 of 100 (Routine)

Climate Trend

29 complete years, 1962 to 1998
Annual mean temperature at Presa Chihuahua (Smn) as warming stripes, 1962 to 1998 One stripe for each of 29 complete years at Presa Chihuahua (Smn), 1962 to 1998. Blue stripes are years cooler than the station's own mean of 17.3 C (63.1 F); red stripes are warmer. The coolest year was 1987, at 15.3 C (59.5 F), and the warmest was 1963, at 18.7 C (65.7 F). The strongest colour marks a difference of 2.1 C (3.8 F). 1962: 18.2 C, +0.9 C from the station mean1963: 18.7 C, +1.4 C from the station mean1964: 18.1 C, +0.8 C from the station mean1965: 18.4 C, +1.1 C from the station mean1966: 17.8 C, +0.5 C from the station mean1967: 18.4 C, +1.1 C from the station mean1968: 17.6 C, +0.4 C from the station mean1970: 18.3 C, +1.0 C from the station mean1972: 18.6 C, +1.3 C from the station mean1974: 17.5 C, +0.2 C from the station mean1975: 17.1 C, -0.2 C from the station mean1976: 16.1 C, -1.2 C from the station mean1977: 17.6 C, +0.3 C from the station mean1978: 17.1 C, -0.2 C from the station mean1979: 17.0 C, -0.3 C from the station mean1981: 17.4 C, +0.1 C from the station mean1985: 17.7 C, +0.5 C from the station mean1986: 16.5 C, -0.8 C from the station mean1987: 15.3 C, -2.0 C from the station mean1988: 16.3 C, -1.0 C from the station mean1990: 17.0 C, -0.3 C from the station mean1991: 16.6 C, -0.7 C from the station mean1992: 15.7 C, -1.6 C from the station mean1993: 16.3 C, -1.0 C from the station mean1994: 17.2 C, -0.1 C from the station mean1995: 16.8 C, -0.5 C from the station mean1996: 17.2 C, -0.1 C from the station mean1997: 16.9 C, -0.3 C from the station mean1998: 17.9 C, +0.6 C from the station mean19621965197019751980198519901995
One stripe for each of 29 complete years at Presa Chihuahua (Smn), 1962 to 1998. Blue stripes are years cooler than the station's own mean of 17.3 C (63.1 F); red stripes are warmer. The coolest year was 1987, at 15.3 C (59.5 F), and the warmest was 1963, at 18.7 C (65.7 F). The strongest colour marks a difference of 2.1 C (3.8 F).
Annual mean temperature at Presa Chihuahua (Smn) as warming stripes, 1962 to 1998
YearAnnual mean temperatureDifference from the station mean
196218.2 C+0.90 C
196318.7 C+1.44 C
196418.1 C+0.81 C
196518.4 C+1.14 C
196617.8 C+0.48 C
196718.4 C+1.15 C
196817.6 C+0.36 C
197018.3 C+1.00 C
197218.6 C+1.34 C
197417.5 C+0.24 C
197517.1 C-0.23 C
197616.1 C-1.20 C
197717.6 C+0.32 C
197817.1 C-0.19 C
197917.0 C-0.25 C
198117.4 C+0.11 C
198517.7 C+0.46 C
198616.5 C-0.77 C
198715.3 C-2.03 C
198816.3 C-1.02 C
199017.0 C-0.32 C
199116.6 C-0.71 C
199215.7 C-1.60 C
199316.3 C-0.97 C
199417.2 C-0.08 C
199516.8 C-0.48 C
199617.2 C-0.10 C
199716.9 C-0.34 C
199817.9 C+0.61 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 2001
Yearly extremes at Presa Chihuahua (Smn): the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)40.6 C (105.1 F)197037.8 C (100.0 F)41
Coldest night (TNn)-14.4 C (6.1 F)1962-6.1 C (21.0 F)41
Wettest day (Rx1day)116.3 mm (4.6 in)196643.9 mm (1.7 in)41
Wettest five days (Rx5day)201.2 mm (7.9 in)196679.7 mm (3.1 in)41
Longest dry spell (CDD)160 days199887 days41

Hottest day (TXx)

Hottest day (TXx) at Presa Chihuahua (Smn) by year The hottest day of the year at Presa Chihuahua (Smn), 1961 to 2001. The record is 40.6 C (105.1 F) in 1970, marked on the chart; the median year is 37.8 C (100.0 F). 3032.53537.54042.51970198019902000Record: 40.6 C (105.1 F) in 1970
The hottest day of the year at Presa Chihuahua (Smn), 1961 to 2001. The record is 40.6 C (105.1 F) in 1970, marked on the chart; the median year is 37.8 C (100.0 F).
Hottest day (TXx) at Presa Chihuahua (Smn) by year
YearHottest day (TXx)
196132.8 C (91.0 F)
196237.8 C (100.0 F)
196337.8 C (100.0 F)
196437.8 C (100.0 F)
196537.8 C (100.0 F)
196637.8 C (100.0 F)
196737.8 C (100.0 F)
196837.2 C (99.0 F)
196937.8 C (100.0 F)
197040.6 C (105.1 F)
197133.9 C (93.0 F)
197235.6 C (96.1 F)
197337.8 C (100.0 F)
197436.7 C (98.1 F)
197535.0 C (95.0 F)
197635.0 C (95.0 F)
197735.0 C (95.0 F)
197838.3 C (100.9 F)
197938.3 C (100.9 F)
198038.3 C (100.9 F)
198137.8 C (100.0 F)
198232.2 C (90.0 F)
198336.7 C (98.1 F)
198435.6 C (96.1 F)
198537.8 C (100.0 F)
198635.6 C (96.1 F)
198737.8 C (100.0 F)
198837.8 C (100.0 F)
198940.0 C (104.0 F)
199038.3 C (100.9 F)
199138.3 C (100.9 F)
199240.0 C (104.0 F)
199335.0 C (95.0 F)
199439.4 C (102.9 F)
199535.0 C (95.0 F)
199635.6 C (96.1 F)
199736.7 C (98.1 F)
199839.4 C (102.9 F)
199932.8 C (91.0 F)
200036.7 C (98.1 F)
200138.9 C (102.0 F)

Coldest night (TNn)

Coldest night (TNn) at Presa Chihuahua (Smn) by year The coldest night of the year at Presa Chihuahua (Smn), 1961 to 2001. The record is -14.4 C (6.1 F) in 1962, marked on the chart; the median year is -6.1 C (21.0 F). -15-10-501970198019902000Record: -14.4 C (6.1 F) in 1962
The coldest night of the year at Presa Chihuahua (Smn), 1961 to 2001. The record is -14.4 C (6.1 F) in 1962, marked on the chart; the median year is -6.1 C (21.0 F).
Coldest night (TNn) at Presa Chihuahua (Smn) by year
YearColdest night (TNn)
1961-3.9 C (25.0 F)
1962-14.4 C (6.1 F)
1963-7.8 C (18.0 F)
1964-8.3 C (17.1 F)
1965-6.1 C (21.0 F)
1966-6.1 C (21.0 F)
1967-8.3 C (17.1 F)
1968-5.0 C (23.0 F)
1969-6.1 C (21.0 F)
1970-5.0 C (23.0 F)
1971-8.3 C (17.1 F)
1972-6.1 C (21.0 F)
1973-5.0 C (23.0 F)
1974-5.0 C (23.0 F)
1975-7.2 C (19.0 F)
1976-6.1 C (21.0 F)
1977-6.1 C (21.0 F)
1978-10.0 C (14.0 F)
1979-6.7 C (19.9 F)
1980-3.9 C (25.0 F)
1981-2.8 C (27.0 F)
1982-5.0 C (23.0 F)
1983-4.4 C (24.1 F)
1984-2.2 C (28.0 F)
1985-8.3 C (17.1 F)
1986-6.7 C (19.9 F)
1987-9.4 C (15.1 F)
1988-8.3 C (17.1 F)
1989-8.3 C (17.1 F)
1990-7.2 C (19.0 F)
1991-5.0 C (23.0 F)
1992-5.0 C (23.0 F)
1993-6.1 C (21.0 F)
1994-6.1 C (21.0 F)
1995-5.0 C (23.0 F)
1996-8.3 C (17.1 F)
1997-8.3 C (17.1 F)
1998-7.8 C (18.0 F)
1999-4.4 C (24.1 F)
2000-5.0 C (23.0 F)
2001-6.1 C (21.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Presa Chihuahua (Smn) by year The wettest day of the year at Presa Chihuahua (Smn), 1961 to 2001. The record is 116.3 mm (4.6 in) in 1966, marked on the chart; the median year is 43.9 mm (1.7 in). 0501001501970198019902000Record: 116.3 mm (4.6 in) in 1966
The wettest day of the year at Presa Chihuahua (Smn), 1961 to 2001. The record is 116.3 mm (4.6 in) in 1966, marked on the chart; the median year is 43.9 mm (1.7 in).
Wettest day (Rx1day) at Presa Chihuahua (Smn) by year
YearWettest day (Rx1day)
19617.4 mm (0.29 in)
196220.8 mm (0.8 in)
196341.9 mm (1.6 in)
196427.4 mm (1.1 in)
196552.3 mm (2.1 in)
1966116.3 mm (4.6 in)
196733.8 mm (1.3 in)
196872.9 mm (2.9 in)
196943.9 mm (1.7 in)
197027.9 mm (1.1 in)
197157.9 mm (2.3 in)
197225.4 mm (1.0 in)
197356.4 mm (2.2 in)
197464.8 mm (2.6 in)
197537.3 mm (1.5 in)
197693.0 mm (3.7 in)
197739.9 mm (1.6 in)
197864.8 mm (2.6 in)
197972.9 mm (2.9 in)
198039.4 mm (1.6 in)
198150.3 mm (2.0 in)
198224.4 mm (1.0 in)
198339.9 mm (1.6 in)
198445.0 mm (1.8 in)
198546.0 mm (1.8 in)
198650.8 mm (2.0 in)
198769.3 mm (2.7 in)
198831.5 mm (1.2 in)
198950.3 mm (2.0 in)
1990100.8 mm (4.0 in)
199150.8 mm (2.0 in)
199240.6 mm (1.6 in)
199330.0 mm (1.2 in)
199419.8 mm (0.8 in)
199588.4 mm (3.5 in)
199657.7 mm (2.3 in)
199728.4 mm (1.1 in)
199843.9 mm (1.7 in)
199969.9 mm (2.8 in)
200043.9 mm (1.7 in)
200114.2 mm (0.6 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Presa Chihuahua (Smn) by year The wettest five days of the year at Presa Chihuahua (Smn), 1961 to 2001. The record is 201.2 mm (7.9 in) in 1966, marked on the chart; the median year is 79.7 mm (3.1 in). 0501001502002501970198019902000Record: 201.2 mm (7.9 in) in 1966
The wettest five days of the year at Presa Chihuahua (Smn), 1961 to 2001. The record is 201.2 mm (7.9 in) in 1966, marked on the chart; the median year is 79.7 mm (3.1 in).
Wettest five days (Rx5day) at Presa Chihuahua (Smn) by year
YearWettest five days (Rx5day)
19619.8 mm (0.39 in)
196253.2 mm (2.1 in)
196379.8 mm (3.1 in)
196444.7 mm (1.8 in)
196576.4 mm (3.0 in)
1966201.2 mm (7.9 in)
196795.8 mm (3.8 in)
1968134.6 mm (5.3 in)
196980.5 mm (3.2 in)
197068.7 mm (2.7 in)
197177.4 mm (3.0 in)
197267.2 mm (2.6 in)
1973104.7 mm (4.1 in)
1974190.2 mm (7.5 in)
197548.5 mm (1.9 in)
1976120.7 mm (4.8 in)
197796.0 mm (3.8 in)
1978188.1 mm (7.4 in)
1979116.4 mm (4.6 in)
1980104.0 mm (4.1 in)
1981142.3 mm (5.6 in)
198231.8 mm (1.3 in)
198358.5 mm (2.3 in)
198454.9 mm (2.2 in)
198575.3 mm (3.0 in)
198679.7 mm (3.1 in)
198784.3 mm (3.3 in)
1988101.9 mm (4.0 in)
198971.9 mm (2.8 in)
1990180.3 mm (7.1 in)
1991139.7 mm (5.5 in)
199269.3 mm (2.7 in)
199377.0 mm (3.0 in)
199428.0 mm (1.1 in)
1995114.2 mm (4.5 in)
1996142.2 mm (5.6 in)
199759.5 mm (2.3 in)
199870.1 mm (2.8 in)
199996.6 mm (3.8 in)
200078.0 mm (3.1 in)
200114.2 mm (0.6 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Presa Chihuahua (Smn) by year The longest dry spell of the year at Presa Chihuahua (Smn), 1961 to 2001. The record is 160 days in 1998, marked on the chart; the median year is 87 days. 0501001502001970198019902000Record: 160 days in 1998
The longest dry spell of the year at Presa Chihuahua (Smn), 1961 to 2001. The record is 160 days in 1998, marked on the chart; the median year is 87 days.
Longest dry spell (CDD) at Presa Chihuahua (Smn) by year
YearLongest dry spell (CDD)
196153 days
1962153 days
196387 days
1964137 days
1965147 days
196685 days
196780 days
196844 days
1969102 days
197090 days
1971131 days
197269 days
197388 days
197476 days
1975126 days
1976137 days
197775 days
197889 days
197968 days
198074 days
198170 days
198269 days
198347 days
1984105 days
198546 days
198653 days
198795 days
198865 days
1989131 days
199037 days
1991140 days
199237 days
1993112 days
199492 days
1995102 days
1996156 days
199739 days
1998160 days
199985 days
2000109 days
200153 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

29 years with a frost

Across 29 years with a frost, the median last spring frost at Presa Chihuahua (Smn) falls on 13 March and the median first autumn frost on 24 November, which leaves a median of 256 days between them.

Fitted over all years, the growing season changes by -13.0 days per decade at this station.

Frost dates and growing season at Presa Chihuahua (Smn)
MeasureMedian, all yearsEarliest periodRecent period (1962 to 1998)Recent against earliestFitted trend
Last spring frost13 Marchn/a13 Marchn/a+8.1 days per decade
First autumn frost24 Novembern/a24 Novembern/a-4.9 days per decade
Growing days256 daysn/a256 daysn/a-13.0 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

36 years, 1962 to 2000

A day with at least 44.7 mm (1.8 in) of rain is expected about once in 2 years. A day with at least 122.0 mm (4.8 in) of rain is expected about once in 100 years.

Rainfall return levels at Presa Chihuahua (Smn): the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years44.7 mm (1.8 in)
5 years63.6 mm (2.5 in)
10 years76.8 mm (3.0 in)
25 years94.4 mm (3.7 in)
50 years108.0 mm (4.3 in)Longer than the 36 years of record
100 years122.0 mm (4.8 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 2000.

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: 116.3 mm (4.6 in) in 1966; 93.0 mm (3.7 in) in 1976; 88.4 mm (3.5 in) in 1995.

Download the Data

  • Data for Presa Chihuahua (Smn) standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Presa Chihuahua (Smn) 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).