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Built 2026-10-17 (17 October 2026)

Smithville Lake Weather Records (USC00237862)

Record envelope, standing records and threshold days for Smithville Lake (USC00237862), Missouri, United States, with 46 years of record.

Key Facts for Smithville Lake

  • Smithville Lake (USC00237862) is a weather station in Missouri, United States at 39.39 latitude and -94.55 longitude, 276 m (904 ft) above sea level.
  • The station reports from 1981 to 2026, 46 years of record.
  • 1,464 records set at Smithville Lake still stand.
  • Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
  • Smithville Lake set a daily record high maximum temperature of 31.7 C (89.1 F) on 14 October 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

  • Location: Missouri, United States, 39.39 latitude, -94.55 longitude.
  • Elevation: 276 m (904 ft).
  • Period of record: 1981 to 2026, 46 years.
  • Eligible elements: tmax, tmin, prcp, snow, snwd.

Daily Record Envelope and 2026

33 days at or beyond a record
Daily record high and record low at Smithville Lake, with 2026 drawn through them The band shows the record high and record low for each calendar day at Smithville Lake. The lines show the 2026 daily maximum and minimum. 33 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-200204060 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Smithville Lake. The lines show the 2026 daily maximum and minimum. 33 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Smithville Lake, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan22.2 C (72.0 F)-28.3 C (-18.9 F)20.0 C (68.0 F)-26.1 C (-15.0 F)
Feb25.6 C (78.1 F)-32.2 C (-26.0 F)23.9 C (75.0 F)-21.7 C (-7.1 F)
Mar33.9 C (93.0 F)-22.8 C (-9.0 F)33.9 C (93.0 F)-12.2 C (10.0 F)
Apr33.3 C (91.9 F)-13.3 C (8.1 F)28.3 C (82.9 F)0.6 C (33.1 F)
May33.9 C (93.0 F)-2.2 C (28.0 F)31.7 C (89.1 F)0.6 C (33.1 F)
Jun39.4 C (102.9 F)5.0 C (41.0 F)32.8 C (91.0 F)11.7 C (53.1 F)
Jul40.0 C (104.0 F)8.3 C (46.9 F)38.9 C (102.0 F)17.8 C (64.0 F)
Aug41.7 C (107.1 F)5.0 C (41.0 F)36.1 C (97.0 F)15.6 C (60.1 F)
Sep40.0 C (104.0 F)-1.7 C (28.9 F)37.2 C (99.0 F)13.3 C (55.9 F)
Oct33.3 C (91.9 F)-8.9 C (16.0 F)31.7 C (89.1 F)7.2 C (45.0 F)
Nov26.7 C (80.1 F)-19.4 C (-2.9 F)n/an/a
Dec22.8 C (73.0 F)-32.2 C (-26.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Smithville Lake by the year they were set 1,464 records at Smithville Lake still stand. 1989 holds the most, with 74. 0204060801985: 201986: 251987: 391988: 451989: 741990: 601991: 521992: 441993: 291994: 171995: 271996: 461997: 441998: 451999: 342000: 512001: 272002: 312003: 342004: 332005: 192006: 452007: 222008: 132009: 212010: 262011: 382012: 522013: 302014: 412015: 282016: 212017: 392018: 392019: 172020: 342021: 462022: 462023: 292024: 292025: 192026: 33198519901995200020052010201520202025
1,464 records at Smithville Lake still stand. 1989 holds the most, with 74.
Standing records at Smithville Lake by the year they were set
Year setStanding records
198520
198625
198739
198845
198974
199060
199152
199244
199329
199417
199527
199646
199744
199845
199934
200051
200127
200231
200334
200433
200519
200645
200722
200813
200921
201026
201138
201252
201330
201441
201528
201621
201739
201839
201917
202034
202146
202246
202329
202429
202519
202633

All-Time Record Progression

3 new records
When Smithville Lake set new all-time records 3 all-time records were set at Smithville Lake between 27 April 2016 and 15 February 2021. Each dot is a new record. Record daily precipitationRecord low maximum temperature27 April 2016: Record daily precipitation 117.3 mm (4.6 in)22 August 2017: Record daily precipitation 140.2 mm (5.5 in)15 February 2021: Record low maximum temperature -22.8 C (-9.0 F)2020
3 all-time records were set at Smithville Lake between 27 April 2016 and 15 February 2021. Each dot is a new record.
When Smithville Lake set new all-time records
DateKindDetail
2016-04-27Record daily precipitationRecord daily precipitation 117.3 mm (4.6 in)
2017-08-22Record daily precipitationRecord daily precipitation 140.2 mm (5.5 in)
2021-02-15Record low maximum temperatureRecord low maximum temperature -22.8 C (-9.0 F)

Wettest Day of Each Month

Aug: 140.2 mm (5.5 in)
Record daily precipitation for each month at Smithville Lake The wettest day on record for each calendar month at Smithville Lake. The most was 140.2 mm (5.5 in) on 22 August 2017. 050100150 Jan: 41.1 mm (1.6 in), 31 January 2002 Jan Feb: 56.4 mm (2.2 in), 22 February 1997 Feb Mar: 61.0 mm (2.4 in), 8 March 2009 Mar Apr: 117.3 mm (4.6 in), 27 April 2016 Apr May: 113.3 mm (4.5 in), 19 May 2004 May Jun: 78.2 mm (3.1 in), 17 June 1996 Jun Jul: 97.8 mm (3.9 in), 7 July 2015 Jul Aug: 140.2 mm (5.5 in), 22 August 2017 Aug Sep: 98.0 mm (3.9 in), 9 September 1989 Sep Oct: 87.1 mm (3.4 in), 5 October 1998 Oct Nov: 59.7 mm (2.4 in), 2 November 1998 Nov Dec: 47.5 mm (1.9 in), 14 December 1992 Dec
The wettest day on record for each calendar month at Smithville Lake. The most was 140.2 mm (5.5 in) on 22 August 2017.
Record daily precipitation for each month at Smithville Lake
MonthRecord daily precipitation (mm)Date
Jan41.1 mm (1.6 in)31 January 2002
Feb56.4 mm (2.2 in)22 February 1997
Mar61.0 mm (2.4 in)8 March 2009
Apr117.3 mm (4.6 in)27 April 2016
May113.3 mm (4.5 in)19 May 2004
Jun78.2 mm (3.1 in)17 June 1996
Jul97.8 mm (3.9 in)7 July 2015
Aug140.2 mm (5.5 in)22 August 2017
Sep98.0 mm (3.9 in)9 September 1989
Oct87.1 mm (3.4 in)5 October 1998
Nov59.7 mm (2.4 in)2 November 1998
Dec47.5 mm (1.9 in)14 December 1992

Period of Record Coverage

1985 to 2026
Days with data per year at Smithville Lake 42 years of record at Smithville Lake, 1985 to 2026. 33 years have data for under 90 percent of days and are left out of rankings: 1985, 1986, 1987, 1988, 1994, 1995, 1996, 1997 and others. 1985: 85 of 365 days1986: 308 of 365 days1987: 326 of 365 days1988: 303 of 366 days1989: 350 of 365 days1990: 363 of 365 days1991: 357 of 365 days1992: 354 of 366 days1993: 341 of 365 days1994: 317 of 365 days1995: 319 of 365 days1996: 324 of 366 days1997: 319 of 365 days1998: 307 of 365 days1999: 312 of 365 days2000: 292 of 366 days2001: 330 of 365 days2002: 332 of 365 days2003: 313 of 365 days2004: 323 of 366 days2005: 319 of 365 days2006: 314 of 365 days2007: 277 of 365 days2008: 297 of 366 days2009: 277 of 365 days2010: 267 of 365 days2011: 257 of 365 days2012: 274 of 366 days2013: 253 of 365 days2014: 292 of 365 days2015: 305 of 365 days2016: 276 of 366 days2017: 324 of 365 days2018: 301 of 365 days2019: 253 of 365 days2020: 347 of 366 days2021: 321 of 365 days2022: 335 of 365 days2023: 237 of 365 days2024: 289 of 366 days2025: 219 of 365 days2026: 230 of 365 days1990200020102020
42 years of record at Smithville Lake, 1985 to 2026. 33 years have data for under 90 percent of days and are left out of rankings: 1985, 1986, 1987, 1988, 1994, 1995, 1996, 1997 and others.
Days with data per year at Smithville Lake
YearDays with dataShare of yearComplete
19858523%No
198630884%No
198732689%No
198830383%No
198935096%Yes
199036399%Yes
199135798%Yes
199235497%Yes
199334193%Yes
199431787%No
199531987%No
199632489%No
199731987%No
199830784%No
199931285%No
200029280%No
200133090%Yes
200233291%Yes
200331386%No
200432388%No
200531987%No
200631486%No
200727776%No
200829781%No
200927776%No
201026773%No
201125770%No
201227475%No
201325369%No
201429280%No
201530584%No
201627675%No
201732489%No
201830182%No
201925369%No
202034795%Yes
202132188%No
202233592%Yes
202323765%No
202428979%No
202521960%No
202623063%No

Latest Records

20
Latest records at Smithville Lake
DateStationRecordValueBeat old record byOld record stoodSignificance
14 October 2026Smithville Lake, USdaily high max (Provisional)31.7 C (89.1 F)2.3 C (4.1 F)36 years18 of 100 (Routine)
14 October 2026Smithville Lake, USdaily high min (Provisional)15.6 C (60.1 F)1.2 C (2.2 F)8 years8 of 100 (Routine)
13 October 2026Smithville Lake, USdaily high min (Provisional)18.3 C (64.9 F)2.2 C (4.0 F)1 year8 of 100 (Routine)
12 October 2026Smithville Lake, USdaily high max (Tie, Provisional)30.6 C (87.1 F)tie1 year1 of 100 (Routine)
11 October 2026Smithville Lake, USdaily high max (Provisional)31.1 C (88.0 F)1.7 C (3.1 F)4 years7 of 100 (Routine)
10 October 2026Smithville Lake, USdaily high max (Provisional)30.0 C (86.0 F)0.6 C (1.1 F)11 years7 of 100 (Routine)
10 October 2026Smithville Lake, USdaily high min (Provisional)16.1 C (61.0 F)0.5 C (0.9 F)5 years5 of 100 (Routine)
9 October 2026Smithville Lake, USdaily high max (Provisional)29.4 C (84.9 F)1.1 C (2.0 F)15 years9 of 100 (Routine)
8 October 2026Smithville Lake, USdaily high max (Tie, Provisional)30.0 C (86.0 F)tie5 years1 of 100 (Routine)
1 October 2026Smithville Lake, USdaily rain (Provisional)36.8 mm (1.4 in)6.1 mm (0.24 in)12 years11 of 100 (Routine)
19 September 2026Smithville Lake, USdaily high max (Provisional)35.0 C (95.0 F)0.6 C (1.1 F)4 years6 of 100 (Routine)
18 September 2026Smithville Lake, USdaily high max (Provisional)34.4 C (93.9 F)1.6 C (2.9 F)25 years14 of 100 (Routine)
18 September 2026Smithville Lake, USdaily high min (Provisional)23.3 C (73.9 F)1.6 C (2.9 F)7 years9 of 100 (Routine)
15 September 2026Smithville Lake, USdaily high max (Provisional)34.4 C (93.9 F)2.7 C (4.9 F)32 years18 of 100 (Routine)
10 September 2026Smithville Lake, USdaily high max (Provisional)37.2 C (99.0 F)2.2 C (4.0 F)35 years18 of 100 (Routine)
15 August 2026Smithville Lake, USdaily high min25.0 C (77.0 F)1.1 C (2.0 F)32 years16 of 100 (Routine)
14 August 2026Smithville Lake, USdaily high min (Tie)24.4 C (75.9 F)tie31 years3 of 100 (Routine)
13 August 2026Smithville Lake, USdaily high min25.0 C (77.0 F)1.1 C (2.0 F)16 years11 of 100 (Routine)
12 August 2026Smithville Lake, USdaily high min25.6 C (78.1 F)1.7 C (3.1 F)19 years13 of 100 (Routine)
11 August 2026Smithville Lake, USdaily high min (Tie)25.6 C (78.1 F)tie16 years2 of 100 (Routine)

Climate Trend

11 complete years, 1989 to 2022
Annual mean temperature at Smithville Lake as warming stripes, 1989 to 2022 One stripe for each of 11 complete years at Smithville Lake, 1989 to 2022. Blue stripes are years cooler than the station's own mean of 11.7 C (53.1 F); red stripes are warmer. The coolest year was 1989, at 10.0 C (49.9 F), and the warmest was 1998, at 13.3 C (56.0 F). The strongest colour marks a difference of 1.8 C (3.2 F). 1989: 10.0 C, -1.8 C from the station mean1990: 12.2 C, +0.4 C from the station mean1991: 12.4 C, +0.6 C from the station mean1992: 11.5 C, -0.2 C from the station mean1996: 10.3 C, -1.4 C from the station mean1997: 11.1 C, -0.6 C from the station mean1998: 13.3 C, +1.6 C from the station mean2001: 12.5 C, +0.8 C from the station mean2003: 11.8 C, +0.1 C from the station mean2020: 12.0 C, +0.3 C from the station mean2022: 11.9 C, +0.1 C from the station mean1989199520002005201020152020
One stripe for each of 11 complete years at Smithville Lake, 1989 to 2022. Blue stripes are years cooler than the station's own mean of 11.7 C (53.1 F); red stripes are warmer. The coolest year was 1989, at 10.0 C (49.9 F), and the warmest was 1998, at 13.3 C (56.0 F). The strongest colour marks a difference of 1.8 C (3.2 F).
Annual mean temperature at Smithville Lake as warming stripes, 1989 to 2022
YearAnnual mean temperatureDifference from the station mean
198910.0 C-1.77 C
199012.2 C+0.44 C
199112.4 C+0.65 C
199211.5 C-0.20 C
199610.3 C-1.39 C
199711.1 C-0.61 C
199813.3 C+1.61 C
200112.5 C+0.81 C
200311.8 C+0.09 C
202012.0 C+0.28 C
202211.9 C+0.12 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

1981 to 2026
Yearly extremes at Smithville Lake: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)41.7 C (107.1 F)198837.2 C (99.0 F)42
Coldest night (TNn)-32.2 C (-26.0 F)1989-21.9 C (-7.5 F)42
Wettest day (Rx1day)140.2 mm (5.5 in)201762.5 mm (2.5 in)46
Wettest five days (Rx5day)191.8 mm (7.6 in)201698.9 mm (3.9 in)46
Longest dry spell (CDD)45 days200220 days46

Hottest day (TXx)

Hottest day (TXx) at Smithville Lake by year The hottest day of the year at Smithville Lake, 1981 to 2026. The record is 41.7 C (107.1 F) in 1988, marked on the chart; the median year is 37.2 C (99.0 F). 25303540451990200020102020Record: 41.7 C (107.1 F) in 1988
The hottest day of the year at Smithville Lake, 1981 to 2026. The record is 41.7 C (107.1 F) in 1988, marked on the chart; the median year is 37.2 C (99.0 F).
Hottest day (TXx) at Smithville Lake by year
YearHottest day (TXx)
1981n/a
1982n/a
1983n/a
1984n/a
198525.0 C (77.0 F)
198636.7 C (98.1 F)
198740.6 C (105.1 F)
198841.7 C (107.1 F)
198937.8 C (100.0 F)
199038.3 C (100.9 F)
199140.0 C (104.0 F)
199233.9 C (93.0 F)
199336.1 C (97.0 F)
199435.0 C (95.0 F)
199537.2 C (99.0 F)
199635.0 C (95.0 F)
199736.7 C (98.1 F)
199837.8 C (100.0 F)
199939.4 C (102.9 F)
200040.0 C (104.0 F)
200137.2 C (99.0 F)
200237.8 C (100.0 F)
200340.6 C (105.1 F)
200435.0 C (95.0 F)
200537.8 C (100.0 F)
200639.4 C (102.9 F)
200737.8 C (100.0 F)
200836.7 C (98.1 F)
200936.1 C (97.0 F)
201038.9 C (102.0 F)
201137.8 C (100.0 F)
201240.0 C (104.0 F)
201336.7 C (98.1 F)
201435.0 C (95.0 F)
201534.4 C (93.9 F)
201636.7 C (98.1 F)
201735.6 C (96.1 F)
201837.2 C (99.0 F)
201935.6 C (96.1 F)
202034.4 C (93.9 F)
202136.1 C (97.0 F)
202237.2 C (99.0 F)
202337.8 C (100.0 F)
202437.8 C (100.0 F)
202535.0 C (95.0 F)
202638.9 C (102.0 F)

Coldest night (TNn)

Coldest night (TNn) at Smithville Lake by year The coldest night of the year at Smithville Lake, 1981 to 2026. The record is -32.2 C (-26.0 F) in 1989, marked on the chart; the median year is -21.9 C (-7.5 F). -35-30-25-20-15-101990200020102020Record: -32.2 C (-26.0 F) in 1989
The coldest night of the year at Smithville Lake, 1981 to 2026. The record is -32.2 C (-26.0 F) in 1989, marked on the chart; the median year is -21.9 C (-7.5 F).
Coldest night (TNn) at Smithville Lake by year
YearColdest night (TNn)
1981n/a
1982n/a
1983n/a
1984n/a
1985-20.0 C (-4.0 F)
1986-18.9 C (-2.0 F)
1987-15.6 C (3.9 F)
1988-25.6 C (-14.1 F)
1989-32.2 C (-26.0 F)
1990-21.1 C (-6.0 F)
1991-21.1 C (-6.0 F)
1992-16.7 C (1.9 F)
1993-21.7 C (-7.1 F)
1994-18.9 C (-2.0 F)
1995-21.1 C (-6.0 F)
1996-25.0 C (-13.0 F)
1997-28.3 C (-18.9 F)
1998-22.8 C (-9.0 F)
1999-22.8 C (-9.0 F)
2000-23.9 C (-11.0 F)
2001-25.6 C (-14.1 F)
2002-18.3 C (-0.9 F)
2003-20.6 C (-5.1 F)
2004-23.3 C (-9.9 F)
2005-22.2 C (-8.0 F)
2006-16.7 C (1.9 F)
2007-18.9 C (-2.0 F)
2008-23.3 C (-9.9 F)
2009-16.1 C (3.0 F)
2010-23.9 C (-11.0 F)
2011-26.7 C (-16.1 F)
2012-15.0 C (5.0 F)
2013-16.7 C (1.9 F)
2014-23.9 C (-11.0 F)
2015-19.4 C (-2.9 F)
2016-20.6 C (-5.1 F)
2017-23.3 C (-9.9 F)
2018-23.9 C (-11.0 F)
2019-13.3 C (8.1 F)
2020-23.3 C (-9.9 F)
2021-32.2 C (-26.0 F)
2022-26.7 C (-16.1 F)
2023-17.8 C (0.0 F)
2024-12.8 C (9.0 F)
2025-30.0 C (-22.0 F)
2026-26.1 C (-15.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Smithville Lake by year The wettest day of the year at Smithville Lake, 1981 to 2026. The record is 140.2 mm (5.5 in) in 2017, marked on the chart; the median year is 62.5 mm (2.5 in). 0501001501990200020102020Record: 140.2 mm (5.5 in) in 2017
The wettest day of the year at Smithville Lake, 1981 to 2026. The record is 140.2 mm (5.5 in) in 2017, marked on the chart; the median year is 62.5 mm (2.5 in).
Wettest day (Rx1day) at Smithville Lake by year
YearWettest day (Rx1day)
198128.4 mm (1.1 in)
198237.6 mm (1.5 in)
19835.6 mm (0.22 in)
198428.4 mm (1.1 in)
198584.8 mm (3.3 in)
198658.9 mm (2.3 in)
198747.8 mm (1.9 in)
198836.1 mm (1.4 in)
198998.0 mm (3.9 in)
199055.9 mm (2.2 in)
199137.3 mm (1.5 in)
199270.1 mm (2.8 in)
199397.0 mm (3.8 in)
199477.7 mm (3.1 in)
199576.2 mm (3.0 in)
199685.9 mm (3.4 in)
199756.4 mm (2.2 in)
199891.9 mm (3.6 in)
199970.4 mm (2.8 in)
200057.2 mm (2.3 in)
200189.4 mm (3.5 in)
200252.1 mm (2.1 in)
200377.5 mm (3.1 in)
2004113.3 mm (4.5 in)
200581.5 mm (3.2 in)
200636.3 mm (1.4 in)
200758.9 mm (2.3 in)
200873.2 mm (2.9 in)
200997.3 mm (3.8 in)
201078.7 mm (3.1 in)
201149.5 mm (1.9 in)
201249.3 mm (1.9 in)
201366.0 mm (2.6 in)
2014113.0 mm (4.4 in)
201597.8 mm (3.9 in)
2016117.3 mm (4.6 in)
2017140.2 mm (5.5 in)
201855.9 mm (2.2 in)
201980.3 mm (3.2 in)
202020.3 mm (0.8 in)
202153.6 mm (2.1 in)
202252.6 mm (2.1 in)
202345.0 mm (1.8 in)
202455.6 mm (2.2 in)
202566.5 mm (2.6 in)
202652.8 mm (2.1 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Smithville Lake by year The wettest five days of the year at Smithville Lake, 1981 to 2026. The record is 191.8 mm (7.6 in) in 2016, marked on the chart; the median year is 98.9 mm (3.9 in). 0501001502001990200020102020Record: 191.8 mm (7.6 in) in 2016
The wettest five days of the year at Smithville Lake, 1981 to 2026. The record is 191.8 mm (7.6 in) in 2016, marked on the chart; the median year is 98.9 mm (3.9 in).
Wettest five days (Rx5day) at Smithville Lake by year
YearWettest five days (Rx5day)
198136.6 mm (1.4 in)
198272.4 mm (2.9 in)
19835.6 mm (0.22 in)
198469.6 mm (2.7 in)
1985130.6 mm (5.1 in)
1986126.5 mm (5.0 in)
198766.9 mm (2.6 in)
198856.1 mm (2.2 in)
1989142.5 mm (5.6 in)
1990107.1 mm (4.2 in)
199154.1 mm (2.1 in)
1992126.5 mm (5.0 in)
1993164.8 mm (6.5 in)
199490.7 mm (3.6 in)
1995101.6 mm (4.0 in)
1996119.7 mm (4.7 in)
199785.9 mm (3.4 in)
1998109.8 mm (4.3 in)
199995.3 mm (3.8 in)
200083.0 mm (3.3 in)
2001127.7 mm (5.0 in)
200291.0 mm (3.6 in)
2003104.5 mm (4.1 in)
2004114.6 mm (4.5 in)
2005112.7 mm (4.4 in)
200698.7 mm (3.9 in)
200794.8 mm (3.7 in)
2008108.0 mm (4.3 in)
2009147.6 mm (5.8 in)
201094.7 mm (3.7 in)
201168.1 mm (2.7 in)
201299.1 mm (3.9 in)
2013113.0 mm (4.4 in)
2014117.1 mm (4.6 in)
2015123.5 mm (4.9 in)
2016191.8 mm (7.6 in)
2017168.7 mm (6.6 in)
2018121.8 mm (4.8 in)
2019119.7 mm (4.7 in)
20201.8 mm (0.07 in)
202187.7 mm (3.5 in)
202263.1 mm (2.5 in)
202351.4 mm (2.0 in)
202482.4 mm (3.2 in)
202572.4 mm (2.9 in)
202661.2 mm (2.4 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Smithville Lake by year The longest dry spell of the year at Smithville Lake, 1981 to 2026. The record is 45 days in 2002, marked on the chart; the median year is 20 days. 010203040501990200020102020Record: 45 days in 2002
The longest dry spell of the year at Smithville Lake, 1981 to 2026. The record is 45 days in 2002, marked on the chart; the median year is 20 days.
Longest dry spell (CDD) at Smithville Lake by year
YearLongest dry spell (CDD)
198120 days
198213 days
198310 days
198416 days
198519 days
198633 days
198717 days
198835 days
198936 days
199024 days
199125 days
199221 days
199323 days
199419 days
199523 days
199630 days
199716 days
199822 days
199921 days
200019 days
200124 days
200245 days
200315 days
200425 days
200521 days
200620 days
200729 days
200816 days
200925 days
201017 days
201113 days
201231 days
201314 days
201424 days
201524 days
201616 days
201723 days
201816 days
201913 days
20209 days
202114 days
202213 days
202311 days
202410 days
20257 days
20267 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.

Download the Data

  • Data for Smithville Lake standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Smithville Lake 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 (2026-10-16).