Built 2026-10-19 (19 October 2026)

Chincua Weather Records (MXN00016033)

Record envelope, standing records and threshold days for Chincua (MXN00016033), Mexico, with 41 years of record.

Key Facts for Chincua

  • Chincua (MXN00016033) is a weather station in Mexico at 19.77 latitude and -100.28 longitude, 2,415 m (7,923 ft) above sea level.
  • The station reports from 1966 to 2006, 41 years of record.
  • 1,464 records set at Chincua still stand.
  • Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
  • Chincua set a daily record low minimum temperature of -0.6 C (30.9 F) on 30 December 2006.

About the Station

  • Location: Mexico, 19.77 latitude, -100.28 longitude.
  • Elevation: 2,415 m (7,923 ft).
  • Period of record: 1966 to 2006, 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 Chincua, with 2026 drawn through them The band shows the record high and record low for each calendar day at Chincua. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -10010203040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Chincua. 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 Chincua, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan30.0 C (86.0 F)-5.6 C (21.9 F)n/an/a
Feb30.0 C (86.0 F)-4.4 C (24.1 F)n/an/a
Mar32.2 C (90.0 F)-1.7 C (28.9 F)n/an/a
Apr33.3 C (91.9 F)0.0 C (32.0 F)n/an/a
May35.0 C (95.0 F)0.6 C (33.1 F)n/an/a
Jun32.2 C (90.0 F)0.6 C (33.1 F)n/an/a
Jul28.3 C (82.9 F)1.7 C (35.1 F)n/an/a
Aug32.2 C (90.0 F)0.6 C (33.1 F)n/an/a
Sep29.4 C (84.9 F)2.8 C (37.0 F)n/an/a
Oct30.0 C (86.0 F)0.0 C (32.0 F)n/an/a
Nov29.4 C (84.9 F)0.0 C (32.0 F)n/an/a
Dec30.6 C (87.1 F)-3.9 C (25.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Chincua by the year they were set 1,464 records at Chincua still stand. 1971 holds the most, with 209. 01002003001968: 481969: 191970: 1181971: 2091972: 491973: 701974: 2011975: 111976: 211977: 221978: 351979: 461980: 341981: 341982: 211983: 341984: 231985: 261986: 421987: 811988: 541989: 311990: 321991: 601992: 201993: 131994: 41995: 71996: 71997: 121998: 231999: 72000: 112001: 82002: 52003: 102004: 52005: 32006: 81968197219761980198419881992199620002004
1,464 records at Chincua still stand. 1971 holds the most, with 209.
Standing records at Chincua by the year they were set
Year setStanding records
196848
196919
1970118
1971209
197249
197370
1974201
197511
197621
197722
197835
197946
198034
198134
198221
198334
198423
198526
198642
198781
198854
198931
199032
199160
199220
199313
19944
19957
19967
199712
199823
19997
200011
20018
20025
200310
20045
20053
20068

Wettest Day of Each Month

Jul: 57.9 mm (2.3 in)
Record daily precipitation for each month at Chincua The wettest day on record for each calendar month at Chincua. The most was 57.9 mm (2.3 in) on 15 July 1987. 0204060 Jan: 50.8 mm (2.0 in), 13 January 2002 Jan Feb: 24.9 mm (1.0 in), 1 February 1992 Feb Mar: 32.8 mm (1.3 in), 21 March 1997 Mar Apr: 37.8 mm (1.5 in), 16 April 1981 Apr May: 40.9 mm (1.6 in), 22 May 1967 May Jun: 40.9 mm (1.6 in), 27 June 2002 Jun Jul: 57.9 mm (2.3 in), 15 July 1987 Jul Aug: 47.8 mm (1.9 in), 11 August 1989 Aug Sep: 56.9 mm (2.2 in), 28 September 1998 Sep Oct: 34.3 mm (1.4 in), 22 October 2006 Oct Nov: 37.3 mm (1.5 in), 2 November 2003 Nov Dec: 29.0 mm (1.1 in), 3 December 1979 Dec
The wettest day on record for each calendar month at Chincua. The most was 57.9 mm (2.3 in) on 15 July 1987.
Record daily precipitation for each month at Chincua
MonthRecord daily precipitation (mm)Date
Jan50.8 mm (2.0 in)13 January 2002
Feb24.9 mm (1.0 in)1 February 1992
Mar32.8 mm (1.3 in)21 March 1997
Apr37.8 mm (1.5 in)16 April 1981
May40.9 mm (1.6 in)22 May 1967
Jun40.9 mm (1.6 in)27 June 2002
Jul57.9 mm (2.3 in)15 July 1987
Aug47.8 mm (1.9 in)11 August 1989
Sep56.9 mm (2.2 in)28 September 1998
Oct34.3 mm (1.4 in)22 October 2006
Nov37.3 mm (1.5 in)2 November 2003
Dec29.0 mm (1.1 in)3 December 1979

Period of Record Coverage

1968 to 2006
Days with data per year at Chincua 39 years of record at Chincua, 1968 to 2006. 6 years have data for under 90 percent of days and are left out of rankings: 1968, 1972, 1973, 1989, 2002, 2005. 1968: 327 of 366 days1969: 365 of 365 days1970: 365 of 365 days1971: 334 of 365 days1972: 122 of 366 days1973: 151 of 365 days1974: 365 of 365 days1975: 365 of 365 days1976: 366 of 366 days1977: 365 of 365 days1978: 365 of 365 days1979: 365 of 365 days1980: 366 of 366 days1981: 365 of 365 days1982: 364 of 365 days1983: 362 of 365 days1984: 366 of 366 days1985: 365 of 365 days1986: 365 of 365 days1987: 365 of 365 days1988: 365 of 366 days1989: 239 of 365 days1990: 363 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: 272 of 365 days2003: 365 of 365 days2004: 366 of 366 days2005: 208 of 365 days2006: 359 of 365 days19701975198019851990199520002005
39 years of record at Chincua, 1968 to 2006. 6 years have data for under 90 percent of days and are left out of rankings: 1968, 1972, 1973, 1989, 2002, 2005.
Days with data per year at Chincua
YearDays with dataShare of yearComplete
196832789%No
1969365100%Yes
1970365100%Yes
197133492%Yes
197212233%No
197315141%No
1974365100%Yes
1975365100%Yes
1976366100%Yes
1977365100%Yes
1978365100%Yes
1979365100%Yes
1980366100%Yes
1981365100%Yes
1982364100%Yes
198336299%Yes
1984366100%Yes
1985365100%Yes
1986365100%Yes
1987365100%Yes
1988365100%Yes
198923965%No
199036399%Yes
1991365100%Yes
1992366100%Yes
1993365100%Yes
1994365100%Yes
1995365100%Yes
1996366100%Yes
1997365100%Yes
1998365100%Yes
1999365100%Yes
2000365100%Yes
2001365100%Yes
200227275%No
2003365100%Yes
2004366100%Yes
200520857%No
200635998%Yes

Latest Records

20
Latest records at Chincua
DateStationRecordValueBeat old record byOld record stoodSignificance
30 December 2006Chincua, MXdaily low min-0.6 C (30.9 F)0.6 C (1.1 F)3 years5 of 100 (Routine)
29 December 2006Chincua, MXdaily low min (Tie)-1.1 C (30.0 F)tie31 years3 of 100 (Routine)
28 December 2006Chincua, MXdaily low min (Tie)-1.7 C (28.9 F)tie31 years3 of 100 (Routine)
27 December 2006Chincua, MXmonthly low min-3.9 C (25.0 F)1.1 C (2.0 F)0 years18 of 100 (Routine)
26 December 2006Chincua, MXmonthly low min-2.8 C (27.0 F)0.6 C (1.1 F)30 years24 of 100 (Routine)
25 December 2006Chincua, MXdaily low min0.0 C (32.0 F)0.6 C (1.1 F)36 years15 of 100 (Routine)
10 December 2006Chincua, MXdaily low min (Tie)1.7 C (35.1 F)tie36 years3 of 100 (Routine)
8 December 2006Chincua, MXdaily rain6.9 mm (0.27 in)2.1 mm (0.08 in)28 years15 of 100 (Routine)
22 November 2006Chincua, MXmonthly low min (Tie)0.0 C (32.0 F)tie38 years6 of 100 (Routine)
12 November 2006Chincua, MXdaily rain20.8 mm (0.8 in)20.8 mm (0.8 in)40 years20 of 100 (Routine)
11 November 2006Chincua, MXdaily high min10.6 C (51.1 F)0.6 C (1.1 F)8 years7 of 100 (Routine)
5 November 2006Chincua, MXdaily rain3.8 mm (0.15 in)2.0 mm (0.08 in)20 years13 of 100 (Routine)
22 October 2006Chincua, MXmonthly rain34.3 mm (1.4 in)0.5 mm (0.02 in)15 years18 of 100 (Routine)
21 October 2006Chincua, MXdaily high max (Tie)25.6 C (78.1 F)tie36 years3 of 100 (Routine)
20 October 2006Chincua, MXdaily rain16.8 mm (0.7 in)3.8 mm (0.15 in)13 years13 of 100 (Routine)
20 September 2006Chincua, MXdaily high min (Tie)11.7 C (53.1 F)tie27 years2 of 100 (Routine)
18 September 2006Chincua, MXdaily rain26.9 mm (1.1 in)3.0 mm (0.12 in)8 years9 of 100 (Routine)
31 August 2006Chincua, MXdaily rain (Tie)26.9 mm (1.1 in)tie36 years3 of 100 (Routine)
25 August 2006Chincua, MXdaily rain23.9 mm (0.9 in)3.1 mm (0.12 in)4 years9 of 100 (Routine)
25 August 2006Chincua, MXdaily high min (Tie)11.7 C (53.1 F)tie24 years2 of 100 (Routine)

Climate Trend

32 complete years, 1969 to 2006
Annual mean temperature at Chincua as warming stripes, 1969 to 2006 One stripe for each of 32 complete years at Chincua, 1969 to 2006. Blue stripes are years cooler than the station's own mean of 14.5 C (58.1 F); red stripes are warmer. The coolest year was 1970, at 12.8 C (55.0 F), and the warmest was 1974, at 17.2 C (63.0 F). The strongest colour marks a difference of 2.8 C (5.0 F). 1969: 13.9 C, -0.6 C from the station mean1970: 12.8 C, -1.7 C from the station mean1974: 17.2 C, +2.7 C from the station mean1975: 14.6 C, +0.1 C from the station mean1976: 14.7 C, +0.2 C from the station mean1977: 14.7 C, +0.2 C from the station mean1978: 14.4 C, -0.1 C from the station mean1979: 15.3 C, +0.8 C from the station mean1980: 15.5 C, +1.0 C from the station mean1981: 15.0 C, +0.5 C from the station mean1982: 15.1 C, +0.6 C from the station mean1983: 14.7 C, +0.2 C from the station mean1984: 14.3 C, -0.2 C from the station mean1985: 14.0 C, -0.5 C from the station mean1986: 13.9 C, -0.6 C from the station mean1987: 13.3 C, -1.2 C from the station mean1988: 13.8 C, -0.7 C from the station mean1990: 13.0 C, -1.5 C from the station mean1991: 15.6 C, +1.1 C from the station mean1992: 13.9 C, -0.6 C from the station mean1993: 14.5 C, 0.0 C from the station mean1994: 14.8 C, +0.3 C from the station mean1995: 14.7 C, +0.2 C from the station mean1996: 14.6 C, +0.1 C from the station mean1997: 14.4 C, -0.1 C from the station mean1998: 15.0 C, +0.5 C from the station mean1999: 14.8 C, +0.3 C from the station mean2000: 14.5 C, 0.0 C from the station mean2001: 14.1 C, -0.4 C from the station mean2003: 14.4 C, -0.1 C from the station mean2004: 14.1 C, -0.4 C from the station mean2006: 14.4 C, -0.1 C from the station mean19691975198019851990199520002005
One stripe for each of 32 complete years at Chincua, 1969 to 2006. Blue stripes are years cooler than the station's own mean of 14.5 C (58.1 F); red stripes are warmer. The coolest year was 1970, at 12.8 C (55.0 F), and the warmest was 1974, at 17.2 C (63.0 F). The strongest colour marks a difference of 2.8 C (5.0 F).
Annual mean temperature at Chincua as warming stripes, 1969 to 2006
YearAnnual mean temperatureDifference from the station mean
196913.9 C-0.62 C
197012.8 C-1.72 C
197417.2 C+2.71 C
197514.6 C+0.06 C
197614.7 C+0.16 C
197714.7 C+0.16 C
197814.4 C-0.08 C
197915.3 C+0.81 C
198015.5 C+0.95 C
198115.0 C+0.54 C
198215.1 C+0.60 C
198314.7 C+0.23 C
198414.3 C-0.18 C
198514.0 C-0.50 C
198613.9 C-0.61 C
198713.3 C-1.23 C
198813.8 C-0.74 C
199013.0 C-1.46 C
199115.6 C+1.07 C
199213.9 C-0.64 C
199314.5 C+0.00 C
199414.8 C+0.31 C
199514.7 C+0.23 C
199614.6 C+0.14 C
199714.4 C-0.11 C
199815.0 C+0.50 C
199914.8 C+0.31 C
200014.5 C+0.04 C
200114.1 C-0.39 C
200314.4 C-0.12 C
200414.1 C-0.42 C
200614.4 C-0.10 C

The fitted trend in annual mean temperature here over 1969 to 2006 is -0.1 C (-0.4 to 0.2) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: -0.1 F (-0.6 to 0.4) per decade. The slope is a straight line fitted to 32 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Chincua
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature-0.1 C (-0.4 to 0.2) per decade-0.1 F (-0.6 to 0.4) per decade1969 to 200632Not clearly different from zero
Mean daily maximum-0.2 C (-0.7 to 0.3) per decade-0.3 F (-1.3 to 0.6) per decade1969 to 200632Not clearly different from zero
Mean daily minimum0.1 C (-0.3 to 0.5) per decade0.1 F (-0.6 to 0.8) per decade1969 to 200632Not clearly different from zero

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 2006
Yearly extremes at Chincua: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)35.0 C (95.0 F)197430.0 C (86.0 F)39
Coldest night (TNn)-5.6 C (21.9 F)19710.6 C (33.1 F)39
Wettest day (Rx1day)57.9 mm (2.3 in)198735.8 mm (1.4 in)41
Wettest five days (Rx5day)121.9 mm (4.8 in)198080.3 mm (3.2 in)41
Longest dry spell (CDD)134 days199865 days41

Hottest day (TXx)

Hottest day (TXx) at Chincua by year The hottest day of the year at Chincua, 1966 to 2006. The record is 35.0 C (95.0 F) in 1974, marked on the chart; the median year is 30.0 C (86.0 F). 2527.53032.5351970198019902000Record: 35.0 C (95.0 F) in 1974
The hottest day of the year at Chincua, 1966 to 2006. The record is 35.0 C (95.0 F) in 1974, marked on the chart; the median year is 30.0 C (86.0 F).
Hottest day (TXx) at Chincua by year
YearHottest day (TXx)
1966n/a
1967n/a
196830.0 C (86.0 F)
196930.0 C (86.0 F)
197033.3 C (91.9 F)
197131.7 C (89.1 F)
197227.8 C (82.0 F)
197328.9 C (84.0 F)
197435.0 C (95.0 F)
197529.4 C (84.9 F)
197628.9 C (84.0 F)
197728.9 C (84.0 F)
197830.6 C (87.1 F)
197928.9 C (84.0 F)
198028.9 C (84.0 F)
198128.9 C (84.0 F)
198230.0 C (86.0 F)
198332.8 C (91.0 F)
198430.0 C (86.0 F)
198530.6 C (87.1 F)
198628.9 C (84.0 F)
198726.7 C (80.1 F)
198830.6 C (87.1 F)
198927.8 C (82.0 F)
199026.7 C (80.1 F)
199128.9 C (84.0 F)
199227.8 C (82.0 F)
199331.7 C (89.1 F)
199428.9 C (84.0 F)
199528.9 C (84.0 F)
199630.0 C (86.0 F)
199730.6 C (87.1 F)
199835.0 C (95.0 F)
199930.0 C (86.0 F)
200030.6 C (87.1 F)
200130.6 C (87.1 F)
200230.6 C (87.1 F)
200332.8 C (91.0 F)
200428.9 C (84.0 F)
200530.6 C (87.1 F)
200631.7 C (89.1 F)

Coldest night (TNn)

Coldest night (TNn) at Chincua by year The coldest night of the year at Chincua, 1966 to 2006. The record is -5.6 C (21.9 F) in 1971, marked on the chart; the median year is 0.6 C (33.1 F). -10-505101970198019902000Record: -5.6 C (21.9 F) in 1971
The coldest night of the year at Chincua, 1966 to 2006. The record is -5.6 C (21.9 F) in 1971, marked on the chart; the median year is 0.6 C (33.1 F).
Coldest night (TNn) at Chincua by year
YearColdest night (TNn)
1966n/a
1967n/a
19680.0 C (32.0 F)
19690.0 C (32.0 F)
19700.0 C (32.0 F)
1971-5.6 C (21.9 F)
19726.7 C (44.1 F)
19731.1 C (34.0 F)
19741.1 C (34.0 F)
1975-2.2 C (28.0 F)
19760.6 C (33.1 F)
19772.8 C (37.0 F)
19780.6 C (33.1 F)
19790.0 C (32.0 F)
19801.7 C (35.1 F)
1981-1.1 C (30.0 F)
19821.7 C (35.1 F)
1983-2.2 C (28.0 F)
19842.8 C (37.0 F)
19852.8 C (37.0 F)
19860.6 C (33.1 F)
19870.6 C (33.1 F)
1988-1.7 C (28.9 F)
19893.9 C (39.0 F)
1990-1.1 C (30.0 F)
1991-1.7 C (28.9 F)
1992-1.1 C (30.0 F)
19930.6 C (33.1 F)
19941.7 C (35.1 F)
19950.6 C (33.1 F)
19960.6 C (33.1 F)
1997-3.3 C (26.1 F)
19980.0 C (32.0 F)
19990.6 C (33.1 F)
20000.0 C (32.0 F)
20011.7 C (35.1 F)
2002-1.1 C (30.0 F)
20030.0 C (32.0 F)
2004-1.1 C (30.0 F)
20050.6 C (33.1 F)
2006-3.9 C (25.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Chincua by year The wettest day of the year at Chincua, 1966 to 2006. The record is 57.9 mm (2.3 in) in 1987, marked on the chart; the median year is 35.8 mm (1.4 in). 02040601970198019902000Record: 57.9 mm (2.3 in) in 1987
The wettest day of the year at Chincua, 1966 to 2006. The record is 57.9 mm (2.3 in) in 1987, marked on the chart; the median year is 35.8 mm (1.4 in).
Wettest day (Rx1day) at Chincua by year
YearWettest day (Rx1day)
19665.3 mm (0.21 in)
196740.9 mm (1.6 in)
196824.9 mm (1.0 in)
196933.8 mm (1.3 in)
197034.8 mm (1.4 in)
197148.8 mm (1.9 in)
197236.8 mm (1.4 in)
19731.8 mm (0.07 in)
197436.8 mm (1.4 in)
197549.8 mm (2.0 in)
197631.8 mm (1.3 in)
197723.9 mm (0.9 in)
197831.8 mm (1.3 in)
197937.8 mm (1.5 in)
198046.0 mm (1.8 in)
198140.9 mm (1.6 in)
198234.3 mm (1.4 in)
198338.9 mm (1.5 in)
198439.9 mm (1.6 in)
198539.9 mm (1.6 in)
198630.0 mm (1.2 in)
198757.9 mm (2.3 in)
198835.8 mm (1.4 in)
198947.8 mm (1.9 in)
199031.0 mm (1.2 in)
199133.8 mm (1.3 in)
199239.9 mm (1.6 in)
199338.9 mm (1.5 in)
199436.3 mm (1.4 in)
199532.3 mm (1.3 in)
199624.9 mm (1.0 in)
199737.8 mm (1.5 in)
199856.9 mm (2.2 in)
199931.8 mm (1.3 in)
200034.8 mm (1.4 in)
200133.8 mm (1.3 in)
200250.8 mm (2.0 in)
200337.3 mm (1.5 in)
200434.3 mm (1.4 in)
200524.4 mm (1.0 in)
200634.3 mm (1.4 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Chincua by year The wettest five days of the year at Chincua, 1966 to 2006. The record is 121.9 mm (4.8 in) in 1980, marked on the chart; the median year is 80.3 mm (3.2 in). 0501001501970198019902000Record: 121.9 mm (4.8 in) in 1980
The wettest five days of the year at Chincua, 1966 to 2006. The record is 121.9 mm (4.8 in) in 1980, marked on the chart; the median year is 80.3 mm (3.2 in).
Wettest five days (Rx5day) at Chincua by year
YearWettest five days (Rx5day)
19665.3 mm (0.21 in)
196784.6 mm (3.3 in)
196863.5 mm (2.5 in)
196982.6 mm (3.3 in)
1970110.1 mm (4.3 in)
197194.5 mm (3.7 in)
197280.2 mm (3.2 in)
19732.6 mm (0.10 in)
197482.5 mm (3.2 in)
197571.4 mm (2.8 in)
197670.3 mm (2.8 in)
197757.7 mm (2.3 in)
197870.3 mm (2.8 in)
197964.5 mm (2.5 in)
1980121.9 mm (4.8 in)
198195.0 mm (3.7 in)
198271.1 mm (2.8 in)
1983100.6 mm (4.0 in)
1984111.1 mm (4.4 in)
198590.2 mm (3.6 in)
198678.5 mm (3.1 in)
1987105.5 mm (4.2 in)
198877.2 mm (3.0 in)
198975.5 mm (3.0 in)
199077.4 mm (3.0 in)
199171.0 mm (2.8 in)
1992115.8 mm (4.6 in)
1993112.5 mm (4.4 in)
199489.1 mm (3.5 in)
199568.9 mm (2.7 in)
199673.8 mm (2.9 in)
199780.3 mm (3.2 in)
199898.1 mm (3.9 in)
199975.3 mm (3.0 in)
200082.0 mm (3.2 in)
200188.6 mm (3.5 in)
200297.8 mm (3.9 in)
200385.6 mm (3.4 in)
200498.8 mm (3.9 in)
200558.0 mm (2.3 in)
200669.3 mm (2.7 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Chincua by year The longest dry spell of the year at Chincua, 1966 to 2006. The record is 134 days in 1998, marked on the chart; the median year is 65 days. 2550751001251501970198019902000Record: 134 days in 1998
The longest dry spell of the year at Chincua, 1966 to 2006. The record is 134 days in 1998, marked on the chart; the median year is 65 days.
Longest dry spell (CDD) at Chincua by year
YearLongest dry spell (CDD)
196636 days
196750 days
196844 days
196971 days
197066 days
197148 days
197264 days
197390 days
197465 days
197593 days
197672 days
197748 days
197837 days
197965 days
198059 days
198146 days
198243 days
198369 days
198489 days
198598 days
198669 days
198750 days
198880 days
1989122 days
199056 days
1991125 days
199246 days
199346 days
199484 days
199550 days
1996115 days
199764 days
1998134 days
199984 days
200071 days
200173 days
200252 days
200386 days
200457 days
200537 days
200657 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

34 years, 1969 to 2006

A day with at least 35.8 mm (1.4 in) of rain is expected about once in 2 years. A day with at least 62.5 mm (2.5 in) of rain is expected about once in 100 years.

Rainfall return levels at Chincua: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years35.8 mm (1.4 in)
5 years42.2 mm (1.7 in)
10 years46.7 mm (1.8 in)
25 years52.8 mm (2.1 in)
50 years57.5 mm (2.3 in)Longer than the 34 years of record
100 years62.5 mm (2.5 in)Longer than the 34 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, 34 years of values from 1969 to 2006.

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: 57.9 mm (2.3 in) in 1987; 56.9 mm (2.2 in) in 1998; 49.8 mm (2.0 in) in 1975.

Download the Data

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