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Rancho Alegre Weather Records (MXN00002040)

Record envelope, standing records and threshold days for Rancho Alegre (MXN00002040), Mexico, with 59 years of record.

Key Facts for Rancho Alegre

  • Rancho Alegre (MXN00002040) is a weather station in Mexico at 28.22 latitude and -113.75 longitude, 120 m (393 ft) above sea level.
  • The station reports from 1954 to 2012, 59 years of record.
  • 1,464 records set at Rancho Alegre still stand.
  • Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
  • Rancho Alegre set a daily record low minimum temperature of 5.0 C (41.0 F) on 3 October 2012.

About the Station

  • Location: Mexico, 28.22 latitude, -113.75 longitude.
  • Elevation: 120 m (393 ft).
  • Period of record: 1954 to 2012, 59 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 Rancho Alegre, with 2026 drawn through them The band shows the record high and record low for each calendar day at Rancho Alegre. 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 Rancho Alegre. 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 Alegre, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan36.7 C (98.1 F)-7.2 C (19.0 F)n/an/a
Feb40.0 C (104.0 F)-5.0 C (23.0 F)n/an/a
Mar40.6 C (105.1 F)-2.2 C (28.0 F)n/an/a
Apr45.0 C (113.0 F)-1.7 C (28.9 F)n/an/a
May40.0 C (104.0 F)0.6 C (33.1 F)n/an/a
Jun42.8 C (109.0 F)1.7 C (35.1 F)n/an/a
Jul45.6 C (114.1 F)2.8 C (37.0 F)n/an/a
Aug43.9 C (111.0 F)3.9 C (39.0 F)n/an/a
Sep48.9 C (120.0 F)2.8 C (37.0 F)n/an/a
Oct43.9 C (111.0 F)0.6 C (33.1 F)n/an/a
Nov38.9 C (102.0 F)-5.0 C (23.0 F)n/an/a
Dec37.2 C (99.0 F)-5.0 C (23.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Rancho Alegre by the year they were set 1,464 records at Rancho Alegre still stand. 2006 holds the most, with 61. 0204060801954: 141955: 391956: 321957: 321958: 341959: 171960: 381961: 261962: 391963: 241964: 571965: 381966: 241967: 251968: 241969: 161970: 161971: 321972: 161973: 221974: 211975: 221976: 141977: 191978: 191979: 281980: 81981: 441982: 151983: 131984: 501985: 301986: 541987: 301988: 211989: 151990: 251991: 61992: 271993: 61994: 21995: 71996: 221997: 141998: 341999: 332000: 272001: 252002: 422003: 212004: 242005: 242006: 612007: 272008: 252009: 132010: 42011: 72012: 201954196019661972197819841990199620022008
1,464 records at Rancho Alegre still stand. 2006 holds the most, with 61.
Standing records at Rancho Alegre by the year they were set
Year setStanding records
195414
195539
195632
195732
195834
195917
196038
196126
196239
196324
196457
196538
196624
196725
196824
196916
197016
197132
197216
197322
197421
197522
197614
197719
197819
197928
19808
198144
198215
198313
198450
198530
198654
198730
198821
198915
199025
19916
199227
19936
19942
19957
199622
199714
199834
199933
200027
200125
200242
200321
200424
200524
200661
200727
200825
200913
20104
20117
201220

All-Time Record Progression

1 new records
When Rancho Alegre set new all-time records 1 all-time records were set at Rancho Alegre between 17 December 2007 and 17 December 2007. Each dot is a new record. Record low maximum temperature17 December 2007: Record low maximum temperature 8.9 C (48.0 F)
1 all-time records were set at Rancho Alegre between 17 December 2007 and 17 December 2007. Each dot is a new record.
When Rancho Alegre set new all-time records
DateKindDetail
2007-12-17Record low maximum temperatureRecord low maximum temperature 8.9 C (48.0 F)

Wettest Day of Each Month

Nov: 125.0 mm (4.9 in)
Record daily precipitation for each month at Rancho Alegre The wettest day on record for each calendar month at Rancho Alegre. The most was 125.0 mm (4.9 in) on 13 November 1959. 050100150 Jan: 89.9 mm (3.5 in), 26 January 1966 Jan Feb: 75.9 mm (3.0 in), 13 February 1980 Feb Mar: 64.8 mm (2.6 in), 2 March 1964 Mar Apr: 24.9 mm (1.0 in), 30 April 1970 Apr May: 56.9 mm (2.2 in), 22 May 1967 May Jun: 12.4 mm (0.5 in), 25 June 1963 Jun Jul: 59.9 mm (2.4 in), 30 July 1964 Jul Aug: 74.9 mm (2.9 in), 8 August 1961 Aug Sep: 74.9 mm (2.9 in), 11 September 1959 Sep Oct: 55.9 mm (2.2 in), 6 October 1977 Oct Nov: 125.0 mm (4.9 in), 13 November 1959 Nov Dec: 95.0 mm (3.7 in), 12 December 1965 Dec
The wettest day on record for each calendar month at Rancho Alegre. The most was 125.0 mm (4.9 in) on 13 November 1959.
Record daily precipitation for each month at Rancho Alegre
MonthRecord daily precipitation (mm)Date
Jan89.9 mm (3.5 in)26 January 1966
Feb75.9 mm (3.0 in)13 February 1980
Mar64.8 mm (2.6 in)2 March 1964
Apr24.9 mm (1.0 in)30 April 1970
May56.9 mm (2.2 in)22 May 1967
Jun12.4 mm (0.5 in)25 June 1963
Jul59.9 mm (2.4 in)30 July 1964
Aug74.9 mm (2.9 in)8 August 1961
Sep74.9 mm (2.9 in)11 September 1959
Oct55.9 mm (2.2 in)6 October 1977
Nov125.0 mm (4.9 in)13 November 1959
Dec95.0 mm (3.7 in)12 December 1965

Period of Record Coverage

1954 to 2012
Days with data per year at Rancho Alegre 59 years of record at Rancho Alegre, 1954 to 2012. 6 years have data for under 90 percent of days and are left out of rankings: 1954, 1986, 1989, 1990, 1994, 1999. 1954: 237 of 365 days1955: 365 of 365 days1956: 366 of 366 days1957: 365 of 365 days1958: 365 of 365 days1959: 365 of 365 days1960: 365 of 366 days1961: 330 of 365 days1962: 365 of 365 days1963: 365 of 365 days1964: 343 of 366 days1965: 363 of 365 days1966: 365 of 365 days1967: 363 of 365 days1968: 365 of 366 days1969: 364 of 365 days1970: 360 of 365 days1971: 361 of 365 days1972: 359 of 366 days1973: 365 of 365 days1974: 363 of 365 days1975: 365 of 365 days1976: 366 of 366 days1977: 365 of 365 days1978: 363 of 365 days1979: 344 of 365 days1980: 330 of 366 days1981: 365 of 365 days1982: 361 of 365 days1983: 356 of 365 days1984: 366 of 366 days1985: 350 of 365 days1986: 321 of 365 days1987: 344 of 365 days1988: 339 of 366 days1989: 169 of 365 days1990: 328 of 365 days1991: 352 of 365 days1992: 333 of 366 days1993: 360 of 365 days1994: 325 of 365 days1995: 352 of 365 days1996: 345 of 366 days1997: 342 of 365 days1998: 339 of 365 days1999: 321 of 365 days2000: 366 of 366 days2001: 365 of 365 days2002: 364 of 365 days2003: 365 of 365 days2004: 364 of 366 days2005: 365 of 365 days2006: 362 of 365 days2007: 365 of 365 days2008: 358 of 366 days2009: 365 of 365 days2010: 333 of 365 days2011: 361 of 365 days2012: 333 of 366 days196019701980199020002010
59 years of record at Rancho Alegre, 1954 to 2012. 6 years have data for under 90 percent of days and are left out of rankings: 1954, 1986, 1989, 1990, 1994, 1999.
Days with data per year at Rancho Alegre
YearDays with dataShare of yearComplete
195423765%No
1955365100%Yes
1956366100%Yes
1957365100%Yes
1958365100%Yes
1959365100%Yes
1960365100%Yes
196133090%Yes
1962365100%Yes
1963365100%Yes
196434394%Yes
196536399%Yes
1966365100%Yes
196736399%Yes
1968365100%Yes
1969364100%Yes
197036099%Yes
197136199%Yes
197235998%Yes
1973365100%Yes
197436399%Yes
1975365100%Yes
1976366100%Yes
1977365100%Yes
197836399%Yes
197934494%Yes
198033090%Yes
1981365100%Yes
198236199%Yes
198335698%Yes
1984366100%Yes
198535096%Yes
198632188%No
198734494%Yes
198833993%Yes
198916946%No
199032890%No
199135296%Yes
199233391%Yes
199336099%Yes
199432589%No
199535296%Yes
199634594%Yes
199734294%Yes
199833993%Yes
199932188%No
2000366100%Yes
2001365100%Yes
2002364100%Yes
2003365100%Yes
200436499%Yes
2005365100%Yes
200636299%Yes
2007365100%Yes
200835898%Yes
2009365100%Yes
201033391%Yes
201136199%Yes
201233391%Yes

Latest Records

20
Latest records at Rancho Alegre
DateStationRecordValueBeat old record byOld record stoodSignificance
3 October 2012Rancho Alegre, MXdaily low min5.0 C (41.0 F)1.1 C (2.0 F)10 years10 of 100 (Routine)
4 August 2012Rancho Alegre, MXdaily low max25.0 C (77.0 F)1.1 C (2.0 F)48 years22 of 100 (Routine)
1 August 2012Rancho Alegre, MXmonthly low min3.9 C (39.0 F)1.1 C (2.0 F)7 years20 of 100 (Routine)
28 July 2012Rancho Alegre, MXdaily low max (Tie)25.6 C (78.1 F)tie28 years3 of 100 (Routine)
27 July 2012Rancho Alegre, MXdaily low max (Tie)25.0 C (77.0 F)tie54 years5 of 100 (Routine)
26 July 2012Rancho Alegre, MXdaily low max (Tie)25.0 C (77.0 F)tie24 years3 of 100 (Routine)
8 July 2012Rancho Alegre, MXdaily low min3.9 C (39.0 F)0.5 C (0.9 F)6 years7 of 100 (Routine)
7 July 2012Rancho Alegre, MXdaily low min3.9 C (39.0 F)4.4 C (7.9 F)7 years21 of 100 (Routine)
6 July 2012Rancho Alegre, MXdaily low min5.0 C (41.0 F)3.3 C (5.9 F)8 years17 of 100 (Routine)
3 July 2012Rancho Alegre, MXdaily low min (Tie)5.0 C (41.0 F)tie8 years1 of 100 (Routine)
1 July 2012Rancho Alegre, MXdaily low min3.9 C (39.0 F)1.1 C (2.0 F)8 years10 of 100 (Routine)
30 June 2012Rancho Alegre, MXdaily low min3.9 C (39.0 F)1.1 C (2.0 F)8 years11 of 100 (Routine)
27 June 2012Rancho Alegre, MXdaily low min6.7 C (44.1 F)1.1 C (2.0 F)24 years16 of 100 (Routine)
26 June 2012Rancho Alegre, MXdaily low min2.8 C (37.0 F)2.2 C (4.0 F)6 years14 of 100 (Routine)
24 June 2012Rancho Alegre, MXdaily low min6.7 C (44.1 F)1.6 C (2.9 F)9 years12 of 100 (Routine)
23 June 2012Rancho Alegre, MXdaily low min5.6 C (42.1 F)1.6 C (2.9 F)8 years12 of 100 (Routine)
21 June 2012Rancho Alegre, MXdaily low min6.7 C (44.1 F)1.6 C (2.9 F)9 years12 of 100 (Routine)
16 June 2012Rancho Alegre, MXdaily low min5.0 C (41.0 F)0.6 C (1.1 F)16 years11 of 100 (Routine)
14 June 2012Rancho Alegre, MXdaily low min (Tie)5.6 C (42.1 F)tie8 years1 of 100 (Routine)
8 June 2012Rancho Alegre, MXdaily low min (Tie)5.0 C (41.0 F)tie1 year1 of 100 (Routine)

Climate Trend

46 complete years, 1955 to 2011
Annual mean temperature at Rancho Alegre as warming stripes, 1955 to 2011 One stripe for each of 46 complete years at Rancho Alegre, 1955 to 2011. Blue stripes are years cooler than the station's own mean of 18.9 C (66.0 F); red stripes are warmer. The coolest year was 2006, at 17.2 C (63.0 F), and the warmest was 1984, at 21.0 C (69.8 F). The strongest colour marks a difference of 2.2 C (4.0 F). 1955: 18.2 C, -0.7 C from the station mean1956: 19.1 C, +0.2 C from the station mean1957: 19.6 C, +0.7 C from the station mean1958: 19.8 C, +1.0 C from the station mean1959: 19.7 C, +0.9 C from the station mean1960: 20.0 C, +1.1 C from the station mean1962: 18.0 C, -0.9 C from the station mean1963: 19.0 C, +0.1 C from the station mean1965: 18.1 C, -0.8 C from the station mean1966: 18.7 C, -0.1 C from the station mean1967: 18.8 C, -0.1 C from the station mean1968: 19.1 C, +0.2 C from the station mean1969: 18.8 C, -0.1 C from the station mean1970: 18.6 C, -0.3 C from the station mean1971: 18.1 C, -0.8 C from the station mean1972: 18.5 C, -0.4 C from the station mean1973: 17.5 C, -1.4 C from the station mean1974: 18.1 C, -0.8 C from the station mean1975: 17.5 C, -1.4 C from the station mean1976: 18.7 C, -0.1 C from the station mean1977: 18.8 C, -0.1 C from the station mean1978: 19.0 C, +0.1 C from the station mean1981: 20.2 C, +1.3 C from the station mean1982: 19.5 C, +0.6 C from the station mean1983: 19.4 C, +0.5 C from the station mean1984: 21.0 C, +2.1 C from the station mean1985: 20.2 C, +1.3 C from the station mean1987: 20.7 C, +1.8 C from the station mean1991: 19.6 C, +0.7 C from the station mean1992: 20.8 C, +1.9 C from the station mean1993: 19.8 C, +0.9 C from the station mean1995: 20.1 C, +1.2 C from the station mean1996: 19.6 C, +0.7 C from the station mean1997: 19.3 C, +0.4 C from the station mean1998: 18.0 C, -0.9 C from the station mean2000: 18.2 C, -0.7 C from the station mean2001: 18.1 C, -0.7 C from the station mean2002: 17.8 C, -1.1 C from the station mean2003: 18.3 C, -0.6 C from the station mean2004: 17.7 C, -1.2 C from the station mean2005: 18.1 C, -0.8 C from the station mean2006: 17.2 C, -1.7 C from the station mean2007: 17.6 C, -1.3 C from the station mean2008: 18.6 C, -0.2 C from the station mean2009: 18.8 C, -0.1 C from the station mean2011: 18.0 C, -0.9 C from the station mean195519601965197019751980198519901995200020052010
One stripe for each of 46 complete years at Rancho Alegre, 1955 to 2011. Blue stripes are years cooler than the station's own mean of 18.9 C (66.0 F); red stripes are warmer. The coolest year was 2006, at 17.2 C (63.0 F), and the warmest was 1984, at 21.0 C (69.8 F). The strongest colour marks a difference of 2.2 C (4.0 F).
Annual mean temperature at Rancho Alegre as warming stripes, 1955 to 2011
YearAnnual mean temperatureDifference from the station mean
195518.2 C-0.68 C
195619.1 C+0.25 C
195719.6 C+0.71 C
195819.8 C+0.96 C
195919.7 C+0.86 C
196020.0 C+1.15 C
196218.0 C-0.87 C
196319.0 C+0.08 C
196518.1 C-0.76 C
196618.7 C-0.14 C
196718.8 C-0.11 C
196819.1 C+0.24 C
196918.8 C-0.08 C
197018.6 C-0.26 C
197118.1 C-0.82 C
197218.5 C-0.35 C
197317.5 C-1.35 C
197418.1 C-0.79 C
197517.5 C-1.41 C
197618.7 C-0.14 C
197718.8 C-0.08 C
197819.0 C+0.13 C
198120.2 C+1.34 C
198219.5 C+0.58 C
198319.4 C+0.52 C
198421.0 C+2.13 C
198520.2 C+1.35 C
198720.7 C+1.81 C
199119.6 C+0.70 C
199220.8 C+1.95 C
199319.8 C+0.91 C
199520.1 C+1.17 C
199619.6 C+0.72 C
199719.3 C+0.40 C
199818.0 C-0.89 C
200018.2 C-0.65 C
200118.1 C-0.74 C
200217.8 C-1.13 C
200318.3 C-0.62 C
200417.7 C-1.17 C
200518.1 C-0.75 C
200617.2 C-1.66 C
200717.6 C-1.27 C
200818.6 C-0.24 C
200918.8 C-0.12 C
201118.0 C-0.86 C

The fitted trend in annual mean temperature here over 1955 to 2011 is -0.1 C (-0.3 to 0.1) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: -0.2 F (-0.5 to 0.1) per decade. The slope is a straight line fitted to 46 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Rancho Alegre
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature-0.1 C (-0.3 to 0.1) per decade-0.2 F (-0.5 to 0.1) per decade1955 to 201146Not clearly different from zero
Mean daily maximum0.4 C (0.2 to 0.5) per decade0.7 F (0.4 to 0.9) per decade1955 to 201146Rise
Mean daily minimum-0.6 C (-0.8 to -0.4) per decade-1.0 F (-1.4 to -0.6) per decade1955 to 201146Fall

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

1954 to 2012
Yearly extremes at Rancho Alegre: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)48.9 C (120.0 F)196040.6 C (105.1 F)59
Coldest night (TNn)-7.2 C (19.0 F)1971-0.6 C (30.9 F)59
Wettest day (Rx1day)125.0 mm (4.9 in)195919.3 mm (0.8 in)59
Wettest five days (Rx5day)200.7 mm (7.9 in)196530.0 mm (1.2 in)59
Longest dry spell (CDD)365 days2011145 days59

Hottest day (TXx)

Hottest day (TXx) at Rancho Alegre by year The hottest day of the year at Rancho Alegre, 1954 to 2012. The record is 48.9 C (120.0 F) in 1960, marked on the chart; the median year is 40.6 C (105.1 F). 35404550196019701980199020002010Record: 48.9 C (120.0 F) in 1960
The hottest day of the year at Rancho Alegre, 1954 to 2012. The record is 48.9 C (120.0 F) in 1960, marked on the chart; the median year is 40.6 C (105.1 F).
Hottest day (TXx) at Rancho Alegre by year
YearHottest day (TXx)
195440.0 C (104.0 F)
195541.1 C (106.0 F)
195640.0 C (104.0 F)
195739.4 C (102.9 F)
195840.0 C (104.0 F)
195940.0 C (104.0 F)
196048.9 C (120.0 F)
196140.6 C (105.1 F)
196239.4 C (102.9 F)
196341.7 C (107.1 F)
196435.6 C (96.1 F)
196538.9 C (102.0 F)
196637.8 C (100.0 F)
196745.6 C (114.1 F)
196840.0 C (104.0 F)
196945.0 C (113.0 F)
197040.0 C (104.0 F)
197140.0 C (104.0 F)
197241.7 C (107.1 F)
197340.6 C (105.1 F)
197438.9 C (102.0 F)
197539.4 C (102.9 F)
197637.8 C (100.0 F)
197738.9 C (102.0 F)
197841.7 C (107.1 F)
197942.2 C (108.0 F)
198042.8 C (109.0 F)
198141.7 C (107.1 F)
198245.0 C (113.0 F)
198340.0 C (104.0 F)
198441.7 C (107.1 F)
198543.9 C (111.0 F)
198640.6 C (105.1 F)
198743.9 C (111.0 F)
198840.0 C (104.0 F)
198941.7 C (107.1 F)
199042.8 C (109.0 F)
199140.6 C (105.1 F)
199241.7 C (107.1 F)
199340.0 C (104.0 F)
199441.1 C (106.0 F)
199540.0 C (104.0 F)
199640.0 C (104.0 F)
199742.8 C (109.0 F)
199842.8 C (109.0 F)
199941.7 C (107.1 F)
200040.6 C (105.1 F)
200142.2 C (108.0 F)
200242.8 C (109.0 F)
200342.8 C (109.0 F)
200440.6 C (105.1 F)
200540.6 C (105.1 F)
200641.7 C (107.1 F)
200741.7 C (107.1 F)
200842.2 C (108.0 F)
200940.6 C (105.1 F)
201037.8 C (100.0 F)
201140.6 C (105.1 F)
201238.9 C (102.0 F)

Coldest night (TNn)

Coldest night (TNn) at Rancho Alegre by year The coldest night of the year at Rancho Alegre, 1954 to 2012. The record is -7.2 C (19.0 F) in 1971, marked on the chart; the median year is -0.6 C (30.9 F). -7.5-5-2.502.55196019701980199020002010Record: -7.2 C (19.0 F) in 1971
The coldest night of the year at Rancho Alegre, 1954 to 2012. The record is -7.2 C (19.0 F) in 1971, marked on the chart; the median year is -0.6 C (30.9 F).
Coldest night (TNn) at Rancho Alegre by year
YearColdest night (TNn)
1954-5.0 C (23.0 F)
1955-1.7 C (28.9 F)
19561.1 C (34.0 F)
19572.8 C (37.0 F)
1958-5.0 C (23.0 F)
19591.1 C (34.0 F)
1960-5.0 C (23.0 F)
19610.0 C (32.0 F)
19620.6 C (33.1 F)
1963-1.1 C (30.0 F)
19640.0 C (32.0 F)
19650.0 C (32.0 F)
19660.0 C (32.0 F)
1967-3.3 C (26.1 F)
1968-3.9 C (25.0 F)
19690.0 C (32.0 F)
1970-2.8 C (27.0 F)
1971-7.2 C (19.0 F)
1972-3.3 C (26.1 F)
19730.0 C (32.0 F)
1974-5.0 C (23.0 F)
1975-5.0 C (23.0 F)
1976-2.2 C (28.0 F)
19770.6 C (33.1 F)
1978-2.2 C (28.0 F)
1979-1.1 C (30.0 F)
19800.6 C (33.1 F)
19810.0 C (32.0 F)
19820.0 C (32.0 F)
19830.0 C (32.0 F)
1984-1.1 C (30.0 F)
19850.0 C (32.0 F)
19860.0 C (32.0 F)
1987-5.0 C (23.0 F)
19880.0 C (32.0 F)
19890.0 C (32.0 F)
1990-1.1 C (30.0 F)
19911.1 C (34.0 F)
19922.2 C (36.0 F)
19930.0 C (32.0 F)
19941.1 C (34.0 F)
19951.1 C (34.0 F)
1996-2.2 C (28.0 F)
1997-2.2 C (28.0 F)
19980.0 C (32.0 F)
1999-2.2 C (28.0 F)
2000-5.0 C (23.0 F)
2001-5.0 C (23.0 F)
2002-3.3 C (26.1 F)
2003-1.1 C (30.0 F)
2004-4.4 C (24.1 F)
2005-5.0 C (23.0 F)
2006-5.0 C (23.0 F)
2007-0.6 C (30.9 F)
2008-0.6 C (30.9 F)
2009-1.1 C (30.0 F)
20100.0 C (32.0 F)
20110.0 C (32.0 F)
20120.0 C (32.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Rancho Alegre by year The wettest day of the year at Rancho Alegre, 1954 to 2012. The record is 125.0 mm (4.9 in) in 1959, marked on the chart; the median year is 19.3 mm (0.8 in). 050100150196019701980199020002010Record: 125.0 mm (4.9 in) in 1959
The wettest day of the year at Rancho Alegre, 1954 to 2012. The record is 125.0 mm (4.9 in) in 1959, marked on the chart; the median year is 19.3 mm (0.8 in).
Wettest day (Rx1day) at Rancho Alegre by year
YearWettest day (Rx1day)
195415.0 mm (0.6 in)
195519.8 mm (0.8 in)
19568.9 mm (0.35 in)
195730.0 mm (1.2 in)
195834.8 mm (1.4 in)
1959125.0 mm (4.9 in)
196023.4 mm (0.9 in)
196174.9 mm (2.9 in)
196249.8 mm (2.0 in)
196345.0 mm (1.8 in)
196464.8 mm (2.6 in)
196595.0 mm (3.7 in)
196689.9 mm (3.5 in)
196766.8 mm (2.6 in)
196814.0 mm (0.6 in)
196953.3 mm (2.1 in)
197024.9 mm (1.0 in)
19713.8 mm (0.15 in)
197230.5 mm (1.2 in)
197349.3 mm (1.9 in)
197418.3 mm (0.7 in)
19756.4 mm (0.25 in)
197615.0 mm (0.6 in)
197755.9 mm (2.2 in)
197835.8 mm (1.4 in)
197913.0 mm (0.5 in)
198075.9 mm (3.0 in)
198117.8 mm (0.7 in)
198267.8 mm (2.7 in)
198339.9 mm (1.6 in)
198434.8 mm (1.4 in)
198518.3 mm (0.7 in)
19869.4 mm (0.37 in)
198731.8 mm (1.3 in)
198811.9 mm (0.5 in)
198918.8 mm (0.7 in)
199018.8 mm (0.7 in)
199118.8 mm (0.7 in)
199215.7 mm (0.6 in)
199316.8 mm (0.7 in)
199419.3 mm (0.8 in)
199518.8 mm (0.7 in)
199623.9 mm (0.9 in)
199719.3 mm (0.8 in)
199826.4 mm (1.0 in)
19994.8 mm (0.19 in)
200020.3 mm (0.8 in)
200113.0 mm (0.5 in)
20029.4 mm (0.37 in)
200316.8 mm (0.7 in)
200415.7 mm (0.6 in)
200522.4 mm (0.9 in)
20061.8 mm (0.07 in)
200718.8 mm (0.7 in)
200835.8 mm (1.4 in)
200918.8 mm (0.7 in)
20107.4 mm (0.29 in)
20110.0 mm (0.00 in)
201211.9 mm (0.5 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Rancho Alegre by year The wettest five days of the year at Rancho Alegre, 1954 to 2012. The record is 200.7 mm (7.9 in) in 1965, marked on the chart; the median year is 30.0 mm (1.2 in). 0100200300196019701980199020002010Record: 200.7 mm (7.9 in) in 1965
The wettest five days of the year at Rancho Alegre, 1954 to 2012. The record is 200.7 mm (7.9 in) in 1965, marked on the chart; the median year is 30.0 mm (1.2 in).
Wettest five days (Rx5day) at Rancho Alegre by year
YearWettest five days (Rx5day)
195415.8 mm (0.6 in)
195534.5 mm (1.4 in)
19568.9 mm (0.35 in)
195730.0 mm (1.2 in)
195845.5 mm (1.8 in)
1959184.7 mm (7.3 in)
196044.4 mm (1.7 in)
1961110.6 mm (4.4 in)
196288.2 mm (3.5 in)
196345.0 mm (1.8 in)
196471.2 mm (2.8 in)
1965200.7 mm (7.9 in)
1966144.8 mm (5.7 in)
196766.8 mm (2.6 in)
196814.0 mm (0.6 in)
196979.1 mm (3.1 in)
197028.2 mm (1.1 in)
19713.8 mm (0.15 in)
197269.6 mm (2.7 in)
197351.9 mm (2.0 in)
197434.6 mm (1.4 in)
197511.9 mm (0.5 in)
197615.0 mm (0.6 in)
197764.3 mm (2.5 in)
197867.1 mm (2.6 in)
197911.7 mm (0.5 in)
198086.3 mm (3.4 in)
198129.6 mm (1.2 in)
198269.1 mm (2.7 in)
198365.8 mm (2.6 in)
198438.4 mm (1.5 in)
198518.3 mm (0.7 in)
19869.4 mm (0.37 in)
198744.7 mm (1.8 in)
198811.9 mm (0.5 in)
198921.1 mm (0.8 in)
199021.1 mm (0.8 in)
199120.6 mm (0.8 in)
199226.8 mm (1.1 in)
199336.3 mm (1.4 in)
199444.5 mm (1.8 in)
199518.8 mm (0.7 in)
199623.9 mm (0.9 in)
199728.7 mm (1.1 in)
199828.2 mm (1.1 in)
19994.8 mm (0.19 in)
200031.6 mm (1.2 in)
200113.0 mm (0.5 in)
20029.4 mm (0.37 in)
200316.8 mm (0.7 in)
200431.8 mm (1.3 in)
200529.8 mm (1.2 in)
20061.8 mm (0.07 in)
200749.3 mm (1.9 in)
200852.6 mm (2.1 in)
200961.3 mm (2.4 in)
20107.4 mm (0.29 in)
20110.0 mm (0.00 in)
201219.3 mm (0.8 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Rancho Alegre by year The longest dry spell of the year at Rancho Alegre, 1954 to 2012. The record is 365 days in 2011, marked on the chart; the median year is 145 days. 0100200300400196019701980199020002010Record: 365 days in 2011
The longest dry spell of the year at Rancho Alegre, 1954 to 2012. The record is 365 days in 2011, marked on the chart; the median year is 145 days.
Longest dry spell (CDD) at Rancho Alegre by year
YearLongest dry spell (CDD)
1954167 days
1955137 days
1956210 days
1957118 days
195872 days
1959161 days
1960138 days
1961126 days
1962165 days
196395 days
1964118 days
1965171 days
1966194 days
1967101 days
1968251 days
1969187 days
197098 days
1971187 days
1972120 days
1973241 days
1974165 days
1975170 days
1976145 days
1977103 days
1978138 days
1979237 days
1980132 days
1981218 days
1982113 days
198385 days
198492 days
1985102 days
1986112 days
1987114 days
1988107 days
198965 days
199083 days
1991121 days
199272 days
1993208 days
1994111 days
1995239 days
1996171 days
199787 days
1998112 days
199948 days
2000163 days
2001270 days
2002306 days
2003170 days
2004106 days
2005176 days
2006246 days
2007271 days
2008321 days
2009328 days
2010300 days
2011365 days
2012297 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

54 years, 1955 to 2012

A day with at least 23.9 mm (0.9 in) of rain is expected about once in 2 years. A day with at least 143.5 mm (5.6 in) of rain is expected about once in 100 years.

Rainfall return levels at Rancho Alegre: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years23.9 mm (0.9 in)
5 years44.5 mm (1.8 in)
10 years61.8 mm (2.4 in)
25 years89.0 mm (3.5 in)
50 years113.9 mm (4.5 in)
100 years143.5 mm (5.6 in)Longer than the 54 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, 54 years of values from 1955 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: 125.0 mm (4.9 in) in 1959; 95.0 mm (3.7 in) in 1965; 89.9 mm (3.5 in) in 1966.

Download the Data

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