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Nilchi Weather Records (MXN00004023)

Record envelope, standing records and threshold days for Nilchi (MXN00004023), Mexico, with 48 years of record.

Key Facts for Nilchi

  • Nilchi (MXN00004023) is a weather station in Mexico at 19.83 latitude and -90.27 longitude, 10 m (32 ft) above sea level.
  • The station reports from 1964 to 2011, 48 years of record.
  • 1,464 records set at Nilchi still stand.
  • Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
  • Nilchi set a daily record precipitation of 30.0 mm (1.2 in) on 26 December 2011.

About the Station

  • Location: Mexico, 19.83 latitude, -90.27 longitude.
  • Elevation: 10 m (32 ft).
  • Period of record: 1964 to 2011, 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 Nilchi, with 2026 drawn through them The band shows the record high and record low for each calendar day at Nilchi. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 01020304050 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Nilchi. 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 Nilchi, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan42.2 C (108.0 F)2.2 C (36.0 F)n/an/a
Feb41.7 C (107.1 F)5.0 C (41.0 F)n/an/a
Mar43.9 C (111.0 F)5.0 C (41.0 F)n/an/a
Apr45.0 C (113.0 F)5.6 C (42.1 F)n/an/a
May47.8 C (118.0 F)8.9 C (48.0 F)n/an/a
Jun43.9 C (111.0 F)8.9 C (48.0 F)n/an/a
Jul42.8 C (109.0 F)10.6 C (51.1 F)n/an/a
Aug43.9 C (111.0 F)10.0 C (50.0 F)n/an/a
Sep45.0 C (113.0 F)8.9 C (48.0 F)n/an/a
Oct41.7 C (107.1 F)7.2 C (45.0 F)n/an/a
Nov42.8 C (109.0 F)5.0 C (41.0 F)n/an/a
Dec41.7 C (107.1 F)3.9 C (39.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Nilchi by the year they were set 1,464 records at Nilchi still stand. 1987 holds the most, with 160. 0501001502001964: 401965: 741966: 471967: 351968: 451969: 391970: 431971: 281972: 341973: 481974: 251975: 171976: 71977: 81978: 131979: 201980: 241981: 381982: 291983: 251984: 171985: 121986: 651987: 1601988: 441989: 871990: 291991: 291992: 1091993: 251994: 291995: 421996: 421997: 121998: 131999: 112000: 32001: 52002: 202003: 102004: 92005: 72006: 112007: 42008: 72009: 92010: 122011: 21964196919741979198419891994199920042009
1,464 records at Nilchi still stand. 1987 holds the most, with 160.
Standing records at Nilchi by the year they were set
Year setStanding records
196440
196574
196647
196735
196845
196939
197043
197128
197234
197348
197425
197517
19767
19778
197813
197920
198024
198138
198229
198325
198417
198512
198665
1987160
198844
198987
199029
199129
1992109
199325
199429
199542
199642
199712
199813
199911
20003
20015
200220
200310
20049
20057
200611
20074
20087
20099
201012
20112

All-Time Record Progression

2 new records
When Nilchi set new all-time records 2 all-time records were set at Nilchi between 20 June 2005 and 17 February 2007. Each dot is a new record. Record daily precipitationRecord low maximum temperature20 June 2005: Record daily precipitation 349.8 mm (13.8 in)17 February 2007: Record low maximum temperature 18.9 C (66.0 F)2005
2 all-time records were set at Nilchi between 20 June 2005 and 17 February 2007. Each dot is a new record.
When Nilchi set new all-time records
DateKindDetail
2005-06-20Record daily precipitationRecord daily precipitation 349.8 mm (13.8 in)
2007-02-17Record low maximum temperatureRecord low maximum temperature 18.9 C (66.0 F)

Wettest Day of Each Month

Jun: 349.8 mm (13.8 in)
Record daily precipitation for each month at Nilchi The wettest day on record for each calendar month at Nilchi. The most was 349.8 mm (13.8 in) on 20 June 2005. 0100200300400 Jan: 79.8 mm (3.1 in), 12 January 1968 Jan Feb: 63.8 mm (2.5 in), 7 February 2008 Feb Mar: 64.8 mm (2.6 in), 15 March 2000 Mar Apr: 119.9 mm (4.7 in), 28 April 2010 Apr May: 114.8 mm (4.5 in), 29 May 2007 May Jun: 349.8 mm (13.8 in), 20 June 2005 Jun Jul: 84.8 mm (3.3 in), 19 July 1964 Jul Aug: 173.0 mm (6.8 in), 19 August 1973 Aug Sep: 235.0 mm (9.3 in), 14 September 1988 Sep Oct: 209.8 mm (8.3 in), 1 October 1995 Oct Nov: 104.9 mm (4.1 in), 20 November 1984 Nov Dec: 69.9 mm (2.8 in), 17 December 2001 Dec
The wettest day on record for each calendar month at Nilchi. The most was 349.8 mm (13.8 in) on 20 June 2005.
Record daily precipitation for each month at Nilchi
MonthRecord daily precipitation (mm)Date
Jan79.8 mm (3.1 in)12 January 1968
Feb63.8 mm (2.5 in)7 February 2008
Mar64.8 mm (2.6 in)15 March 2000
Apr119.9 mm (4.7 in)28 April 2010
May114.8 mm (4.5 in)29 May 2007
Jun349.8 mm (13.8 in)20 June 2005
Jul84.8 mm (3.3 in)19 July 1964
Aug173.0 mm (6.8 in)19 August 1973
Sep235.0 mm (9.3 in)14 September 1988
Oct209.8 mm (8.3 in)1 October 1995
Nov104.9 mm (4.1 in)20 November 1984
Dec69.9 mm (2.8 in)17 December 2001

Period of Record Coverage

1964 to 2011
Days with data per year at Nilchi 48 years of record at Nilchi, 1964 to 2011. 5 years have data for under 90 percent of days and are left out of rankings: 1964, 1975, 1976, 1982, 1997. 1964: 195 of 366 days1965: 362 of 365 days1966: 364 of 365 days1967: 363 of 365 days1968: 366 of 366 days1969: 364 of 365 days1970: 364 of 365 days1971: 364 of 365 days1972: 365 of 366 days1973: 365 of 365 days1974: 365 of 365 days1975: 242 of 365 days1976: 122 of 366 days1977: 334 of 365 days1978: 334 of 365 days1979: 335 of 365 days1980: 335 of 366 days1981: 332 of 365 days1982: 243 of 365 days1983: 365 of 365 days1984: 366 of 366 days1985: 365 of 365 days1986: 361 of 365 days1987: 364 of 365 days1988: 366 of 366 days1989: 365 of 365 days1990: 364 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: 272 of 365 days1998: 364 of 365 days1999: 365 of 365 days2000: 365 of 366 days2001: 365 of 365 days2002: 364 of 365 days2003: 365 of 365 days2004: 365 of 366 days2005: 365 of 365 days2006: 365 of 365 days2007: 365 of 365 days2008: 366 of 366 days2009: 362 of 365 days2010: 365 of 365 days2011: 363 of 365 days19701980199020002010
48 years of record at Nilchi, 1964 to 2011. 5 years have data for under 90 percent of days and are left out of rankings: 1964, 1975, 1976, 1982, 1997.
Days with data per year at Nilchi
YearDays with dataShare of yearComplete
196419553%No
196536299%Yes
1966364100%Yes
196736399%Yes
1968366100%Yes
1969364100%Yes
1970364100%Yes
1971364100%Yes
1972365100%Yes
1973365100%Yes
1974365100%Yes
197524266%No
197612233%No
197733492%Yes
197833492%Yes
197933592%Yes
198033592%Yes
198133291%Yes
198224367%No
1983365100%Yes
1984366100%Yes
1985365100%Yes
198636199%Yes
1987364100%Yes
1988366100%Yes
1989365100%Yes
1990364100%Yes
1991365100%Yes
1992366100%Yes
1993365100%Yes
1994365100%Yes
1995365100%Yes
1996366100%Yes
199727275%No
1998364100%Yes
1999365100%Yes
2000365100%Yes
2001365100%Yes
2002364100%Yes
2003365100%Yes
2004365100%Yes
2005365100%Yes
2006365100%Yes
2007365100%Yes
2008366100%Yes
200936299%Yes
2010365100%Yes
201136399%Yes

Latest Records

20
Latest records at Nilchi
DateStationRecordValueBeat old record byOld record stoodSignificance
26 December 2011Nilchi, MXdaily rain30.0 mm (1.2 in)23.1 mm (0.9 in)26 years33 of 100 (Routine)
23 December 2011Nilchi, MXdaily rain31.8 mm (1.3 in)7.4 mm (0.29 in)25 years18 of 100 (Routine)
17 November 2011Nilchi, MXdaily rain22.9 mm (0.9 in)18.6 mm (0.7 in)22 years20 of 100 (Routine)
24 October 2011Nilchi, MXdaily low min (Tie)10.0 C (50.0 F)tie22 years2 of 100 (Routine)
12 October 2011Nilchi, MXdaily rain41.9 mm (1.6 in)25.1 mm (1.0 in)4 years19 of 100 (Routine)
12 September 2011Nilchi, MXdaily rain69.9 mm (2.8 in)35.1 mm (1.4 in)44 years33 of 100 (Routine)
28 August 2011Nilchi, MXdaily low max (Tie)30.6 C (87.1 F)tie32 years3 of 100 (Routine)
25 July 2011Nilchi, MXdaily rain49.8 mm (2.0 in)22.6 mm (0.9 in)29 years27 of 100 (Routine)
12 July 2011Nilchi, MXdaily low max (Tie)31.7 C (89.1 F)tie25 years2 of 100 (Routine)
6 July 2011Nilchi, MXdaily low max31.7 C (89.1 F)1.1 C (2.0 F)32 years17 of 100 (Routine)
3 May 2011Nilchi, MXdaily rain35.8 mm (1.4 in)16.0 mm (0.6 in)17 years17 of 100 (Routine)
30 January 2011Nilchi, MXdaily low min (Tie)7.8 C (46.0 F)tie21 years2 of 100 (Routine)
28 January 2011Nilchi, MXdaily low min (Tie)7.8 C (46.0 F)tie5 years1 of 100 (Routine)
22 January 2011Nilchi, MXdaily high min (Tie)20.0 C (68.0 F)tie28 years3 of 100 (Routine)
14 January 2011Nilchi, MXdaily low min (Tie)7.8 C (46.0 F)tie29 years3 of 100 (Routine)
11 January 2011Nilchi, MXdaily rain21.8 mm (0.9 in)6.1 mm (0.24 in)37 years19 of 100 (Routine)
8 January 2011Nilchi, MXdaily low min5.6 C (42.1 F)1.1 C (2.0 F)4 years8 of 100 (Routine)
3 January 2011Nilchi, MXdaily high min (Tie)20.0 C (68.0 F)tie44 years4 of 100 (Routine)
28 December 2010Nilchi, MXdaily low min (Tie)5.6 C (42.1 F)tie20 years2 of 100 (Routine)
15 December 2010Nilchi, MXdaily low min (Tie)7.8 C (46.0 F)tie7 years1 of 100 (Routine)

Climate Trend

37 complete years, 1965 to 2011
Annual mean temperature at Nilchi as warming stripes, 1965 to 2011 One stripe for each of 37 complete years at Nilchi, 1965 to 2011. Blue stripes are years cooler than the station's own mean of 25.8 C (78.4 F); red stripes are warmer. The coolest year was 2008, at 23.6 C (74.4 F), and the warmest was 1972, at 27.0 C (80.7 F). The strongest colour marks a difference of 2.3 C (4.1 F). 1965: 25.4 C, -0.4 C from the station mean1966: 25.7 C, -0.1 C from the station mean1967: 26.0 C, +0.3 C from the station mean1968: 25.4 C, -0.3 C from the station mean1969: 26.3 C, +0.5 C from the station mean1970: 26.3 C, +0.5 C from the station mean1971: 26.9 C, +1.1 C from the station mean1972: 27.0 C, +1.2 C from the station mean1973: 26.8 C, +1.0 C from the station mean1974: 26.4 C, +0.6 C from the station mean1983: 26.9 C, +1.1 C from the station mean1984: 26.3 C, +0.5 C from the station mean1985: 26.6 C, +0.8 C from the station mean1987: 26.6 C, +0.8 C from the station mean1988: 25.4 C, -0.4 C from the station mean1989: 25.1 C, -0.7 C from the station mean1990: 25.0 C, -0.8 C from the station mean1991: 26.7 C, +0.9 C from the station mean1992: 24.6 C, -1.2 C from the station mean1993: 25.0 C, -0.8 C from the station mean1994: 25.8 C, 0.0 C from the station mean1995: 24.6 C, -1.2 C from the station mean1996: 25.3 C, -0.5 C from the station mean1998: 26.8 C, +1.0 C from the station mean1999: 25.7 C, -0.1 C from the station mean2000: 25.8 C, +0.1 C from the station mean2001: 26.3 C, +0.5 C from the station mean2002: 25.6 C, -0.2 C from the station mean2003: 25.1 C, -0.7 C from the station mean2004: 24.5 C, -1.3 C from the station mean2005: 24.7 C, -1.0 C from the station mean2006: 26.1 C, +0.3 C from the station mean2007: 26.3 C, +0.5 C from the station mean2008: 23.6 C, -2.2 C from the station mean2009: 25.8 C, 0.0 C from the station mean2010: 25.6 C, -0.2 C from the station mean2011: 26.5 C, +0.7 C from the station mean1965197019751980198519901995200020052010
One stripe for each of 37 complete years at Nilchi, 1965 to 2011. Blue stripes are years cooler than the station's own mean of 25.8 C (78.4 F); red stripes are warmer. The coolest year was 2008, at 23.6 C (74.4 F), and the warmest was 1972, at 27.0 C (80.7 F). The strongest colour marks a difference of 2.3 C (4.1 F).
Annual mean temperature at Nilchi as warming stripes, 1965 to 2011
YearAnnual mean temperatureDifference from the station mean
196525.4 C-0.40 C
196625.7 C-0.13 C
196726.0 C+0.25 C
196825.4 C-0.35 C
196926.3 C+0.52 C
197026.3 C+0.50 C
197126.9 C+1.07 C
197227.0 C+1.24 C
197326.8 C+1.01 C
197426.4 C+0.58 C
198326.9 C+1.09 C
198426.3 C+0.49 C
198526.6 C+0.80 C
198726.6 C+0.79 C
198825.4 C-0.44 C
198925.1 C-0.67 C
199025.0 C-0.83 C
199126.7 C+0.88 C
199224.6 C-1.16 C
199325.0 C-0.83 C
199425.8 C-0.03 C
199524.6 C-1.23 C
199625.3 C-0.54 C
199826.8 C+0.99 C
199925.7 C-0.14 C
200025.8 C+0.05 C
200126.3 C+0.52 C
200225.6 C-0.19 C
200325.1 C-0.70 C
200424.5 C-1.27 C
200524.7 C-1.05 C
200626.1 C+0.32 C
200726.3 C+0.53 C
200823.6 C-2.24 C
200925.8 C-0.01 C
201025.6 C-0.17 C
201126.5 C+0.67 C

The annual mean temperature here has fallen by 0.20 C (0.02 to 0.38) per decade over 1965 to 2011. In Fahrenheit: 0.36 F (0.03 to 0.68) per decade. The slope is a straight line fitted to 37 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Nilchi
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature-0.20 C (-0.38 to -0.02) per decade-0.36 F (-0.68 to -0.03) per decade1965 to 201137Fall
Mean daily maximum0.2 C (-0.2 to 0.7) per decade0.4 F (-0.4 to 1.2) per decade1965 to 201137Not clearly different from zero
Mean daily minimum-0.6 C (-1.2 to -0.1) per decade-1.1 F (-2.2 to -0.1) per decade1965 to 201137Fall

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

1964 to 2011
Yearly extremes at Nilchi: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)47.8 C (118.0 F)198741.7 C (107.1 F)48
Coldest night (TNn)2.2 C (36.0 F)19656.7 C (44.1 F)48
Wettest day (Rx1day)349.8 mm (13.8 in)200573.7 mm (2.9 in)48
Wettest five days (Rx5day)669.3 mm (26.4 in)1995131.9 mm (5.2 in)48
Longest dry spell (CDD)136 days200549 days48

Hottest day (TXx)

Hottest day (TXx) at Nilchi by year The hottest day of the year at Nilchi, 1964 to 2011. The record is 47.8 C (118.0 F) in 1987, marked on the chart; the median year is 41.7 C (107.1 F). 37.54042.54547.55019701980199020002010Record: 47.8 C (118.0 F) in 1987
The hottest day of the year at Nilchi, 1964 to 2011. The record is 47.8 C (118.0 F) in 1987, marked on the chart; the median year is 41.7 C (107.1 F).
Hottest day (TXx) at Nilchi by year
YearHottest day (TXx)
196438.9 C (102.0 F)
196540.0 C (104.0 F)
196638.9 C (102.0 F)
196741.7 C (107.1 F)
196840.6 C (105.1 F)
196942.2 C (108.0 F)
197042.8 C (109.0 F)
197145.0 C (113.0 F)
197241.7 C (107.1 F)
197341.7 C (107.1 F)
197442.8 C (109.0 F)
197541.7 C (107.1 F)
197640.0 C (104.0 F)
197740.0 C (104.0 F)
197839.4 C (102.9 F)
197941.7 C (107.1 F)
198042.2 C (108.0 F)
198142.2 C (108.0 F)
198239.4 C (102.9 F)
198342.2 C (108.0 F)
198443.9 C (111.0 F)
198541.1 C (106.0 F)
198643.9 C (111.0 F)
198747.8 C (118.0 F)
198842.2 C (108.0 F)
198941.7 C (107.1 F)
199041.7 C (107.1 F)
199143.9 C (111.0 F)
199241.1 C (106.0 F)
199342.2 C (108.0 F)
199443.3 C (109.9 F)
199541.7 C (107.1 F)
199642.2 C (108.0 F)
199741.7 C (107.1 F)
199845.0 C (113.0 F)
199943.9 C (111.0 F)
200041.7 C (107.1 F)
200140.0 C (104.0 F)
200240.0 C (104.0 F)
200340.6 C (105.1 F)
200441.7 C (107.1 F)
200540.6 C (105.1 F)
200641.7 C (107.1 F)
200740.0 C (104.0 F)
200841.7 C (107.1 F)
200940.6 C (105.1 F)
201040.6 C (105.1 F)
201140.6 C (105.1 F)

Coldest night (TNn)

Coldest night (TNn) at Nilchi by year The coldest night of the year at Nilchi, 1964 to 2011. The record is 2.2 C (36.0 F) in 1965, marked on the chart; the median year is 6.7 C (44.1 F). 0510152019701980199020002010Record: 2.2 C (36.0 F) in 1965
The coldest night of the year at Nilchi, 1964 to 2011. The record is 2.2 C (36.0 F) in 1965, marked on the chart; the median year is 6.7 C (44.1 F).
Coldest night (TNn) at Nilchi by year
YearColdest night (TNn)
19645.0 C (41.0 F)
19652.2 C (36.0 F)
19666.1 C (43.0 F)
19677.2 C (45.0 F)
19685.0 C (41.0 F)
19697.8 C (46.0 F)
19705.0 C (41.0 F)
19718.9 C (48.0 F)
19725.0 C (41.0 F)
19736.7 C (44.1 F)
19747.2 C (45.0 F)
197510.0 C (50.0 F)
197615.6 C (60.1 F)
197710.0 C (50.0 F)
19786.7 C (44.1 F)
19797.8 C (46.0 F)
19806.7 C (44.1 F)
19816.7 C (44.1 F)
198210.0 C (50.0 F)
198310.0 C (50.0 F)
19848.9 C (48.0 F)
19857.8 C (46.0 F)
19865.6 C (42.1 F)
19876.7 C (44.1 F)
19885.6 C (42.1 F)
19893.9 C (39.0 F)
19905.0 C (41.0 F)
199110.6 C (51.1 F)
19927.8 C (46.0 F)
19938.9 C (48.0 F)
19948.9 C (48.0 F)
19957.2 C (45.0 F)
19966.1 C (43.0 F)
199710.0 C (50.0 F)
19986.7 C (44.1 F)
19996.7 C (44.1 F)
20007.8 C (46.0 F)
20017.8 C (46.0 F)
20027.8 C (46.0 F)
20036.7 C (44.1 F)
20045.6 C (42.1 F)
20055.0 C (41.0 F)
20066.7 C (44.1 F)
200710.0 C (50.0 F)
20085.6 C (42.1 F)
20093.9 C (39.0 F)
20105.6 C (42.1 F)
20115.6 C (42.1 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Nilchi by year The wettest day of the year at Nilchi, 1964 to 2011. The record is 349.8 mm (13.8 in) in 2005, marked on the chart; the median year is 73.7 mm (2.9 in). 010020030040019701980199020002010Record: 349.8 mm (13.8 in) in 2005
The wettest day of the year at Nilchi, 1964 to 2011. The record is 349.8 mm (13.8 in) in 2005, marked on the chart; the median year is 73.7 mm (2.9 in).
Wettest day (Rx1day) at Nilchi by year
YearWettest day (Rx1day)
196484.8 mm (3.3 in)
196549.8 mm (2.0 in)
196659.9 mm (2.4 in)
196765.5 mm (2.6 in)
196879.8 mm (3.1 in)
196973.9 mm (2.9 in)
197086.4 mm (3.4 in)
197173.4 mm (2.9 in)
197282.8 mm (3.3 in)
1973173.0 mm (6.8 in)
197464.8 mm (2.6 in)
197598.8 mm (3.9 in)
197623.9 mm (0.9 in)
197764.8 mm (2.6 in)
197895.0 mm (3.7 in)
197954.1 mm (2.1 in)
1980100.3 mm (3.9 in)
198180.0 mm (3.1 in)
198260.2 mm (2.4 in)
198357.9 mm (2.3 in)
1984104.9 mm (4.1 in)
198572.1 mm (2.8 in)
198663.0 mm (2.5 in)
198753.8 mm (2.1 in)
1988235.0 mm (9.3 in)
198969.9 mm (2.8 in)
199099.8 mm (3.9 in)
199145.0 mm (1.8 in)
199241.9 mm (1.6 in)
199367.8 mm (2.7 in)
199432.3 mm (1.3 in)
1995209.8 mm (8.3 in)
199668.8 mm (2.7 in)
199799.8 mm (3.9 in)
199871.9 mm (2.8 in)
199959.9 mm (2.4 in)
2000110.0 mm (4.3 in)
200169.9 mm (2.8 in)
2002172.0 mm (6.8 in)
200384.8 mm (3.3 in)
200489.9 mm (3.5 in)
2005349.8 mm (13.8 in)
200649.8 mm (2.0 in)
2007114.8 mm (4.5 in)
200899.8 mm (3.9 in)
200974.9 mm (2.9 in)
2010119.9 mm (4.7 in)
201171.9 mm (2.8 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Nilchi by year The wettest five days of the year at Nilchi, 1964 to 2011. The record is 669.3 mm (26.4 in) in 1995, marked on the chart; the median year is 131.9 mm (5.2 in). 020040060080019701980199020002010Record: 669.3 mm (26.4 in) in 1995
The wettest five days of the year at Nilchi, 1964 to 2011. The record is 669.3 mm (26.4 in) in 1995, marked on the chart; the median year is 131.9 mm (5.2 in).
Wettest five days (Rx5day) at Nilchi by year
YearWettest five days (Rx5day)
1964152.2 mm (6.0 in)
196596.1 mm (3.8 in)
1966142.3 mm (5.6 in)
1967109.0 mm (4.3 in)
1968127.2 mm (5.0 in)
1969154.4 mm (6.1 in)
1970176.9 mm (7.0 in)
1971156.2 mm (6.1 in)
1972136.1 mm (5.4 in)
1973217.2 mm (8.6 in)
197485.3 mm (3.4 in)
1975164.6 mm (6.5 in)
197657.4 mm (2.3 in)
197781.2 mm (3.2 in)
197899.8 mm (3.9 in)
197983.3 mm (3.3 in)
1980219.4 mm (8.6 in)
1981132.1 mm (5.2 in)
1982107.3 mm (4.2 in)
1983115.8 mm (4.6 in)
1984177.6 mm (7.0 in)
1985137.7 mm (5.4 in)
1986142.3 mm (5.6 in)
1987103.3 mm (4.1 in)
1988281.0 mm (11.1 in)
1989100.5 mm (4.0 in)
1990153.7 mm (6.1 in)
199178.5 mm (3.1 in)
199288.7 mm (3.5 in)
1993144.0 mm (5.7 in)
199470.9 mm (2.8 in)
1995669.3 mm (26.4 in)
1996111.5 mm (4.4 in)
1997131.6 mm (5.2 in)
1998118.3 mm (4.7 in)
1999104.6 mm (4.1 in)
2000150.3 mm (5.9 in)
200179.5 mm (3.1 in)
2002506.6 mm (19.9 in)
2003154.4 mm (6.1 in)
2004133.6 mm (5.3 in)
2005393.5 mm (15.5 in)
2006114.3 mm (4.5 in)
2007119.4 mm (4.7 in)
2008145.3 mm (5.7 in)
2009186.1 mm (7.3 in)
2010119.9 mm (4.7 in)
2011101.6 mm (4.0 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Nilchi by year The longest dry spell of the year at Nilchi, 1964 to 2011. The record is 136 days in 2005, marked on the chart; the median year is 49 days. 05010015019701980199020002010Record: 136 days in 2005
The longest dry spell of the year at Nilchi, 1964 to 2011. The record is 136 days in 2005, marked on the chart; the median year is 49 days.
Longest dry spell (CDD) at Nilchi by year
YearLongest dry spell (CDD)
196412 days
196587 days
196648 days
196740 days
196832 days
196943 days
1970116 days
1971124 days
197245 days
197374 days
197441 days
197550 days
197618 days
197733 days
197834 days
197920 days
198026 days
198194 days
198249 days
198350 days
198451 days
198562 days
198690 days
198750 days
198853 days
198941 days
199045 days
199198 days
199242 days
199350 days
199439 days
199564 days
199633 days
199746 days
199868 days
199936 days
200059 days
200163 days
200280 days
200373 days
200443 days
2005136 days
2006110 days
200727 days
200836 days
200959 days
201037 days
201147 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

44 years, 1965 to 2011

A day with at least 73.7 mm (2.9 in) of rain is expected about once in 2 years. A day with at least 349.4 mm (13.8 in) of rain is expected about once in 100 years.

Rainfall return levels at Nilchi: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years73.7 mm (2.9 in)
5 years109.2 mm (4.3 in)
10 years143.3 mm (5.6 in)
25 years204.2 mm (8.0 in)
50 years266.9 mm (10.5 in)Longer than the 44 years of record
100 years349.4 mm (13.8 in)Longer than the 44 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, 44 years of values from 1965 to 2011.

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: 349.8 mm (13.8 in) in 2005; 235.0 mm (9.3 in) in 1988; 209.8 mm (8.3 in) in 1995.

Download the Data

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