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Built 2026-10-14 (14 October 2026)

Geneseo Weather Records (USC00143037)

Record envelope, standing records and threshold days for Geneseo (USC00143037), Kansas, United States, with 88 years of record.

Key Facts for Geneseo

  • Geneseo (USC00143037) is a weather station in Kansas, United States at 38.54 latitude and -98.16 longitude, 533 m (1,750 ft) above sea level.
  • The station reports from 1939 to 2026, 88 years of record.
  • 1,464 records set at Geneseo still stand.
  • Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
  • Geneseo set a daily record precipitation of 61.0 mm (2.4 in) on 21 June 2026.

About the Station

  • Location: Kansas, United States, 38.54 latitude, -98.16 longitude.
  • Elevation: 533 m (1,750 ft).
  • Period of record: 1939 to 2026, 88 years.
  • Eligible elements: prcp, snow, snwd.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Geneseo, with 2026 drawn through them The band shows the record high and record low for each calendar day at Geneseo. The lines show the 2026 daily maximum and minimum. 0 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 Geneseo. 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 Geneseo, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan22.2 C (72.0 F)-26.7 C (-16.1 F)n/an/a
Feb27.8 C (82.0 F)-26.1 C (-15.0 F)n/an/a
Mar33.9 C (93.0 F)-26.1 C (-15.0 F)n/an/a
Apr33.3 C (91.9 F)-7.8 C (18.0 F)n/an/a
May39.4 C (102.9 F)-3.3 C (26.1 F)n/an/a
Jun42.8 C (109.0 F)4.4 C (39.9 F)n/an/a
Jul43.3 C (109.9 F)10.0 C (50.0 F)n/an/a
Aug43.3 C (109.9 F)8.3 C (46.9 F)n/an/a
Sep42.8 C (109.0 F)-1.1 C (30.0 F)n/an/a
Oct37.8 C (100.0 F)-6.1 C (21.0 F)n/an/a
Nov27.2 C (81.0 F)-18.3 C (-0.9 F)n/an/a
Dec26.1 C (79.0 F)-21.7 C (-7.1 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Geneseo by the year they were set 1,464 records at Geneseo still stand. 1946 holds the most, with 95. 02550751001939: 741940: 911941: 501942: 821943: 861944: 621945: 641946: 951947: 671948: 561949: 491950: 951951: 691952: 951953: 711954: 821955: 651956: 671957: 371958: 461959: 281960: 3319391942194519481951195419571960
1,464 records at Geneseo still stand. 1946 holds the most, with 95.
Standing records at Geneseo by the year they were set
Year setStanding records
193974
194091
194150
194282
194386
194462
194564
194695
194767
194856
194949
195095
195169
195295
195371
195482
195565
195667
195737
195846
195928
196033

All-Time Record Progression

2 new records
When Geneseo set new all-time records 2 all-time records were set at Geneseo between 18 September 2001 and 28 March 2009. Each dot is a new record. Record daily precipitationRecord daily snowfall18 September 2001: Record daily precipitation 134.6 mm (5.3 in)28 March 2009: Record daily snowfall 32.3 cm (12.7 in)20052010
2 all-time records were set at Geneseo between 18 September 2001 and 28 March 2009. Each dot is a new record.
When Geneseo set new all-time records
DateKindDetail
2001-09-18Record daily precipitationRecord daily precipitation 134.6 mm (5.3 in)
2009-03-28Record daily snowfallRecord daily snowfall 32.3 cm (12.7 in)

Wettest Day of Each Month

Sep: 134.6 mm (5.3 in)
Record daily precipitation for each month at Geneseo The wettest day on record for each calendar month at Geneseo. The most was 134.6 mm (5.3 in) on 18 September 2001. 050100150 Jan: 39.4 mm (1.6 in), 31 January 1998 Jan Feb: 70.4 mm (2.8 in), 27 February 1948 Feb Mar: 59.9 mm (2.4 in), 23 March 2000 Mar Apr: 67.3 mm (2.6 in), 12 April 1967 Apr May: 87.6 mm (3.4 in), 5 May 2015 May Jun: 95.3 mm (3.8 in), 1 June 1965 Jun Jul: 122.7 mm (4.8 in), 29 July 2013 Jul Aug: 97.3 mm (3.8 in), 19 August 2006 Aug Sep: 134.6 mm (5.3 in), 18 September 2001 Sep Oct: 126.0 mm (5.0 in), 19 October 1941 Oct Nov: 64.3 mm (2.5 in), 12 November 2010 Nov Dec: 63.5 mm (2.5 in), 11 December 2007 Dec
The wettest day on record for each calendar month at Geneseo. The most was 134.6 mm (5.3 in) on 18 September 2001.
Record daily precipitation for each month at Geneseo
MonthRecord daily precipitation (mm)Date
Jan39.4 mm (1.6 in)31 January 1998
Feb70.4 mm (2.8 in)27 February 1948
Mar59.9 mm (2.4 in)23 March 2000
Apr67.3 mm (2.6 in)12 April 1967
May87.6 mm (3.4 in)5 May 2015
Jun95.3 mm (3.8 in)1 June 1965
Jul122.7 mm (4.8 in)29 July 2013
Aug97.3 mm (3.8 in)19 August 2006
Sep134.6 mm (5.3 in)18 September 2001
Oct126.0 mm (5.0 in)19 October 1941
Nov64.3 mm (2.5 in)12 November 2010
Dec63.5 mm (2.5 in)11 December 2007

Period of Record Coverage

1939 to 1960
Days with data per year at Geneseo 22 years of record at Geneseo, 1939 to 1960. 3 years have data for under 90 percent of days and are left out of rankings: 1939, 1959, 1960. 1939: 305 of 365 days1940: 366 of 366 days1941: 365 of 365 days1942: 365 of 365 days1943: 365 of 365 days1944: 366 of 366 days1945: 365 of 365 days1946: 362 of 365 days1947: 364 of 365 days1948: 365 of 366 days1949: 359 of 365 days1950: 364 of 365 days1951: 358 of 365 days1952: 365 of 366 days1953: 359 of 365 days1954: 364 of 365 days1955: 353 of 365 days1956: 363 of 366 days1957: 355 of 365 days1958: 357 of 365 days1959: 322 of 365 days1960: 132 of 366 days19401945195019551960
22 years of record at Geneseo, 1939 to 1960. 3 years have data for under 90 percent of days and are left out of rankings: 1939, 1959, 1960.
Days with data per year at Geneseo
YearDays with dataShare of yearComplete
193930584%No
1940366100%Yes
1941365100%Yes
1942365100%Yes
1943365100%Yes
1944366100%Yes
1945365100%Yes
194636299%Yes
1947364100%Yes
1948365100%Yes
194935998%Yes
1950364100%Yes
195135898%Yes
1952365100%Yes
195335998%Yes
1954364100%Yes
195535397%Yes
195636399%Yes
195735597%Yes
195835798%Yes
195932288%No
196013236%No

Latest Records

20
Latest records at Geneseo
DateStationRecordValueBeat old record byOld record stoodSignificance
21 June 2026Geneseo, USdaily rain61.0 mm (2.4 in)18.3 mm (0.7 in)3 years19 of 100 (Routine)
28 May 2026Geneseo, USdaily rain34.3 mm (1.4 in)9.4 mm (0.37 in)11 years17 of 100 (Routine)
27 January 2026Geneseo, USdaily snow depth (Tie)15.2 cm (6.0 in)tie26 years3 of 100 (Routine)
26 January 2026Geneseo, USdaily snow depth15.2 cm (6.0 in)5.0 cm (2.0 in)66 years36 of 100 (Notable)
25 January 2026Geneseo, USdaily snow depth15.2 cm (6.0 in)5.0 cm (2.0 in)67 years37 of 100 (Notable)
24 January 2026Geneseo, USdaily snowfall9.7 cm (3.8 in)2.1 cm (0.8 in)78 years35 of 100 (Notable)
24 January 2026Geneseo, USdaily rain4.8 mm (0.19 in)0.2 mm (0.01 in)78 years20 of 100 (Routine)
10 January 2026Geneseo, USdaily snowfall7.9 cm (3.1 in)0.5 cm (0.2 in)15 years13 of 100 (Routine)
21 November 2025Geneseo, USdaily rain40.6 mm (1.6 in)37.0 mm (1.5 in)2 years41 of 100 (Notable)
9 September 2025Geneseo, USdaily rain115.6 mm (4.6 in)77.5 mm (3.1 in)71 years69 of 100 (Major)
17 June 2025Geneseo, USdaily rain63.5 mm (2.5 in)30.5 mm (1.2 in)56 years44 of 100 (Notable)
18 February 2025Geneseo, USdaily snowfall5.6 cm (2.2 in)5.3 cm (2.1 in)83 years40 of 100 (Notable)
15 January 2025Geneseo, USdaily snow depth17.8 cm (7.0 in)2.6 cm (1.0 in)1 year13 of 100 (Routine)
14 January 2025Geneseo, USdaily snow depth17.8 cm (7.0 in)2.6 cm (1.0 in)1 year13 of 100 (Routine)
13 January 2025Geneseo, USdaily snow depth17.8 cm (7.0 in)2.6 cm (1.0 in)1 year13 of 100 (Routine)
12 January 2025Geneseo, USdaily snow depth17.8 cm (7.0 in)2.6 cm (1.0 in)1 year13 of 100 (Routine)
11 January 2025Geneseo, USdaily snow depth22.9 cm (9.0 in)10.2 cm (4.0 in)1 year29 of 100 (Routine)
10 January 2025Geneseo, USmonthly snow depth (Tie)25.4 cm (10.0 in)tie0 years4 of 100 (Routine)
9 January 2025Geneseo, USdaily snow depth22.9 cm (9.0 in)7.7 cm (3.0 in)1 year24 of 100 (Routine)
8 January 2025Geneseo, USmonthly snow depth (Tie)25.4 cm (10.0 in)tie0 years4 of 100 (Routine)

Climate Trend

19 complete years, 1940 to 1958
Annual mean temperature at Geneseo as warming stripes, 1940 to 1958 One stripe for each of 19 complete years at Geneseo, 1940 to 1958. Blue stripes are years cooler than the station's own mean of 12.9 C (55.2 F); red stripes are warmer. The coolest year was 1951, at 11.5 C (52.6 F), and the warmest was 1954, at 14.7 C (58.4 F). The strongest colour marks a difference of 1.8 C (3.2 F). 1940: 11.8 C, -1.1 C from the station mean1941: 12.8 C, -0.1 C from the station mean1942: 12.1 C, -0.8 C from the station mean1943: 12.3 C, -0.6 C from the station mean1944: 12.5 C, -0.4 C from the station mean1945: 12.6 C, -0.3 C from the station mean1946: 14.5 C, +1.6 C from the station mean1947: 13.0 C, +0.1 C from the station mean1948: 12.6 C, -0.4 C from the station mean1949: 12.8 C, -0.1 C from the station mean1950: 12.3 C, -0.6 C from the station mean1951: 11.5 C, -1.4 C from the station mean1952: 13.6 C, +0.7 C from the station mean1953: 14.2 C, +1.3 C from the station mean1954: 14.7 C, +1.8 C from the station mean1955: 13.2 C, +0.3 C from the station mean1956: 14.0 C, +1.1 C from the station mean1957: 12.5 C, -0.4 C from the station mean1958: 12.1 C, -0.8 C from the station mean1940194219441946194819501952195419561958
One stripe for each of 19 complete years at Geneseo, 1940 to 1958. Blue stripes are years cooler than the station's own mean of 12.9 C (55.2 F); red stripes are warmer. The coolest year was 1951, at 11.5 C (52.6 F), and the warmest was 1954, at 14.7 C (58.4 F). The strongest colour marks a difference of 1.8 C (3.2 F).
Annual mean temperature at Geneseo as warming stripes, 1940 to 1958
YearAnnual mean temperatureDifference from the station mean
194011.8 C-1.11 C
194112.8 C-0.12 C
194212.1 C-0.79 C
194312.3 C-0.60 C
194412.5 C-0.39 C
194512.6 C-0.28 C
194614.5 C+1.62 C
194713.0 C+0.09 C
194812.6 C-0.36 C
194912.8 C-0.15 C
195012.3 C-0.60 C
195111.5 C-1.45 C
195213.6 C+0.72 C
195314.2 C+1.29 C
195414.7 C+1.77 C
195513.2 C+0.33 C
195614.0 C+1.11 C
195712.5 C-0.38 C
195812.1 C-0.79 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

1939 to 2026
Yearly extremes at Geneseo: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)43.3 C (109.9 F)194640.6 C (105.1 F)22
Coldest night (TNn)-26.7 C (-16.1 F)1947-20.6 C (-5.1 F)22
Wettest day (Rx1day)134.6 mm (5.3 in)200165.3 mm (2.6 in)85
Wettest five days (Rx5day)195.9 mm (7.7 in)194187.9 mm (3.5 in)85
Longest dry spell (CDD)102 days199137 days85

Hottest day (TXx)

Hottest day (TXx) at Geneseo by year The hottest day of the year at Geneseo, 1939 to 2026. The record is 43.3 C (109.9 F) in 1946, marked on the chart; the median year is 40.6 C (105.1 F). 253035404519401960198020002020Record: 43.3 C (109.9 F) in 1946
The hottest day of the year at Geneseo, 1939 to 2026. The record is 43.3 C (109.9 F) in 1946, marked on the chart; the median year is 40.6 C (105.1 F).
Hottest day (TXx) at Geneseo by year
YearHottest day (TXx)
193942.8 C (109.0 F)
194042.2 C (108.0 F)
194140.0 C (104.0 F)
194238.3 C (100.9 F)
194340.6 C (105.1 F)
194438.9 C (102.0 F)
194538.9 C (102.0 F)
194643.3 C (109.9 F)
194742.8 C (109.0 F)
194837.2 C (99.0 F)
194938.9 C (102.0 F)
195040.6 C (105.1 F)
195140.6 C (105.1 F)
195241.7 C (107.1 F)
195342.8 C (109.0 F)
195443.3 C (109.9 F)
195540.0 C (104.0 F)
195642.8 C (109.0 F)
195740.6 C (105.1 F)
195837.8 C (100.0 F)
195941.7 C (107.1 F)
196029.4 C (84.9 F)
1961n/a
1962n/a
1963n/a
1964n/a
1965n/a
1966n/a
1967n/a
1968n/a
1969n/a
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1974n/a
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2021n/a
2022n/a
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2024n/a
2025n/a
2026n/a

Coldest night (TNn)

Coldest night (TNn) at Geneseo by year The coldest night of the year at Geneseo, 1939 to 2026. The record is -26.7 C (-16.1 F) in 1947, marked on the chart; the median year is -20.6 C (-5.1 F). -30-25-20-1519401960198020002020Record: -26.7 C (-16.1 F) in 1947
The coldest night of the year at Geneseo, 1939 to 2026. The record is -26.7 C (-16.1 F) in 1947, marked on the chart; the median year is -20.6 C (-5.1 F).
Coldest night (TNn) at Geneseo by year
YearColdest night (TNn)
1939-20.6 C (-5.1 F)
1940-25.6 C (-14.1 F)
1941-16.7 C (1.9 F)
1942-22.2 C (-8.0 F)
1943-25.0 C (-13.0 F)
1944-20.0 C (-4.0 F)
1945-21.1 C (-6.0 F)
1946-19.4 C (-2.9 F)
1947-26.7 C (-16.1 F)
1948-26.1 C (-15.0 F)
1949-18.9 C (-2.0 F)
1950-20.6 C (-5.1 F)
1951-26.1 C (-15.0 F)
1952-18.3 C (-0.9 F)
1953-17.8 C (0.0 F)
1954-20.6 C (-5.1 F)
1955-18.3 C (-0.9 F)
1956-20.0 C (-4.0 F)
1957-20.6 C (-5.1 F)
1958-16.1 C (3.0 F)
1959-25.0 C (-13.0 F)
1960-22.8 C (-9.0 F)
1961n/a
1962n/a
1963n/a
1964n/a
1965n/a
1966n/a
1967n/a
1968n/a
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2020n/a
2021n/a
2022n/a
2023n/a
2024n/a
2025n/a
2026n/a

Wettest day (Rx1day)

Wettest day (Rx1day) at Geneseo by year The wettest day of the year at Geneseo, 1939 to 2026. The record is 134.6 mm (5.3 in) in 2001, marked on the chart; the median year is 65.3 mm (2.6 in). 05010015019401960198020002020Record: 134.6 mm (5.3 in) in 2001
The wettest day of the year at Geneseo, 1939 to 2026. The record is 134.6 mm (5.3 in) in 2001, marked on the chart; the median year is 65.3 mm (2.6 in).
Wettest day (Rx1day) at Geneseo by year
YearWettest day (Rx1day)
193953.6 mm (2.1 in)
194028.4 mm (1.1 in)
1941126.0 mm (5.0 in)
194271.9 mm (2.8 in)
194346.7 mm (1.8 in)
194468.3 mm (2.7 in)
194557.4 mm (2.3 in)
194649.5 mm (1.9 in)
194757.2 mm (2.3 in)
194870.4 mm (2.8 in)
194931.0 mm (1.2 in)
195091.4 mm (3.6 in)
195194.0 mm (3.7 in)
195238.1 mm (1.5 in)
195376.2 mm (3.0 in)
195440.6 mm (1.6 in)
195545.7 mm (1.8 in)
195683.8 mm (3.3 in)
195763.5 mm (2.5 in)
195867.3 mm (2.6 in)
195968.6 mm (2.7 in)
196091.4 mm (3.6 in)
196133.0 mm (1.3 in)
196276.2 mm (3.0 in)
196335.6 mm (1.4 in)
196476.2 mm (3.0 in)
196595.3 mm (3.8 in)
196676.2 mm (3.0 in)
196767.3 mm (2.6 in)
1968101.6 mm (4.0 in)
196988.9 mm (3.5 in)
197043.2 mm (1.7 in)
197176.2 mm (3.0 in)
1972121.9 mm (4.8 in)
1973101.6 mm (4.0 in)
197429.2 mm (1.1 in)
197571.6 mm (2.8 in)
197644.7 mm (1.8 in)
197759.7 mm (2.4 in)
197869.9 mm (2.8 in)
197936.3 mm (1.4 in)
198039.4 mm (1.6 in)
198187.1 mm (3.4 in)
198261.0 mm (2.4 in)
198340.6 mm (1.6 in)
198448.3 mm (1.9 in)
198585.1 mm (3.4 in)
1986120.7 mm (4.8 in)
198765.3 mm (2.6 in)
198830.7 mm (1.2 in)
198942.7 mm (1.7 in)
199047.5 mm (1.9 in)
199177.0 mm (3.0 in)
199287.1 mm (3.4 in)
19934.1 mm (0.16 in)
199720.3 mm (0.8 in)
199871.4 mm (2.8 in)
199966.0 mm (2.6 in)
200059.9 mm (2.4 in)
2001134.6 mm (5.3 in)
200263.5 mm (2.5 in)
200366.0 mm (2.6 in)
200443.7 mm (1.7 in)
200564.8 mm (2.6 in)
200697.3 mm (3.8 in)
2007119.6 mm (4.7 in)
200853.8 mm (2.1 in)
200943.7 mm (1.7 in)
201083.8 mm (3.3 in)
201152.1 mm (2.1 in)
201254.6 mm (2.1 in)
2013122.7 mm (4.8 in)
201499.1 mm (3.9 in)
201591.4 mm (3.6 in)
201655.4 mm (2.2 in)
201764.5 mm (2.5 in)
201894.7 mm (3.7 in)
201963.5 mm (2.5 in)
202053.3 mm (2.1 in)
202178.7 mm (3.1 in)
202251.1 mm (2.0 in)
202361.0 mm (2.4 in)
202467.3 mm (2.6 in)
2025115.6 mm (4.6 in)
202661.0 mm (2.4 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Geneseo by year The wettest five days of the year at Geneseo, 1939 to 2026. The record is 195.9 mm (7.7 in) in 1941, marked on the chart; the median year is 87.9 mm (3.5 in). 05010015020019401960198020002020Record: 195.9 mm (7.7 in) in 1941
The wettest five days of the year at Geneseo, 1939 to 2026. The record is 195.9 mm (7.7 in) in 1941, marked on the chart; the median year is 87.9 mm (3.5 in).
Wettest five days (Rx5day) at Geneseo by year
YearWettest five days (Rx5day)
193993.3 mm (3.7 in)
194055.1 mm (2.2 in)
1941195.9 mm (7.7 in)
194284.2 mm (3.3 in)
194358.5 mm (2.3 in)
1944120.8 mm (4.8 in)
194584.9 mm (3.3 in)
194666.0 mm (2.6 in)
194785.2 mm (3.4 in)
1948115.4 mm (4.5 in)
194958.9 mm (2.3 in)
1950144.8 mm (5.7 in)
1951156.2 mm (6.1 in)
195255.9 mm (2.2 in)
1953106.7 mm (4.2 in)
195473.7 mm (2.9 in)
195581.4 mm (3.2 in)
195683.8 mm (3.3 in)
1957127.0 mm (5.0 in)
195867.3 mm (2.6 in)
1959134.6 mm (5.3 in)
196091.4 mm (3.6 in)
196183.8 mm (3.3 in)
196283.8 mm (3.3 in)
1963124.5 mm (4.9 in)
1964116.8 mm (4.6 in)
1965141.0 mm (5.6 in)
196676.2 mm (3.0 in)
1967116.8 mm (4.6 in)
1968157.5 mm (6.2 in)
196988.9 mm (3.5 in)
197081.2 mm (3.2 in)
1971165.1 mm (6.5 in)
1972165.1 mm (6.5 in)
1973123.2 mm (4.9 in)
197435.6 mm (1.4 in)
197581.3 mm (3.2 in)
197653.1 mm (2.1 in)
197776.2 mm (3.0 in)
1978140.5 mm (5.5 in)
197959.4 mm (2.3 in)
198043.7 mm (1.7 in)
1981104.2 mm (4.1 in)
198266.8 mm (2.6 in)
198348.1 mm (1.9 in)
198487.2 mm (3.4 in)
1985111.8 mm (4.4 in)
1986132.6 mm (5.2 in)
198790.9 mm (3.6 in)
198842.4 mm (1.7 in)
198984.3 mm (3.3 in)
199087.9 mm (3.5 in)
199199.1 mm (3.9 in)
199299.1 mm (3.9 in)
19934.1 mm (0.16 in)
199730.2 mm (1.2 in)
1998116.4 mm (4.6 in)
199983.0 mm (3.3 in)
200085.9 mm (3.4 in)
2001162.3 mm (6.4 in)
2002113.0 mm (4.4 in)
2003135.1 mm (5.3 in)
200479.1 mm (3.1 in)
200567.8 mm (2.7 in)
2006111.2 mm (4.4 in)
2007171.1 mm (6.7 in)
200885.1 mm (3.4 in)
200977.6 mm (3.1 in)
201083.8 mm (3.3 in)
201175.2 mm (3.0 in)
201266.1 mm (2.6 in)
2013194.3 mm (7.6 in)
2014128.8 mm (5.1 in)
2015114.0 mm (4.5 in)
2016112.0 mm (4.4 in)
2017117.8 mm (4.6 in)
2018174.7 mm (6.9 in)
2019139.9 mm (5.5 in)
202081.7 mm (3.2 in)
2021109.4 mm (4.3 in)
2022105.0 mm (4.1 in)
202373.7 mm (2.9 in)
202484.5 mm (3.3 in)
2025131.4 mm (5.2 in)
202673.2 mm (2.9 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Geneseo by year The longest dry spell of the year at Geneseo, 1939 to 2026. The record is 102 days in 1991, marked on the chart; the median year is 37 days. 025507510012519401960198020002020Record: 102 days in 1991
The longest dry spell of the year at Geneseo, 1939 to 2026. The record is 102 days in 1991, marked on the chart; the median year is 37 days.
Longest dry spell (CDD) at Geneseo by year
YearLongest dry spell (CDD)
193942 days
194024 days
194119 days
194237 days
194326 days
194433 days
194538 days
194648 days
194734 days
194827 days
194930 days
195039 days
195136 days
195268 days
195339 days
195449 days
195589 days
195645 days
195745 days
195841 days
195931 days
196026 days
196136 days
196232 days
196350 days
196445 days
196544 days
196682 days
196746 days
196842 days
196943 days
197037 days
197128 days
197245 days
197339 days
197467 days
197531 days
197634 days
197755 days
197835 days
197912 days
198047 days
198130 days
198229 days
198331 days
198439 days
198529 days
198633 days
198727 days
198860 days
198949 days
199045 days
1991102 days
199284 days
199317 days
199718 days
199832 days
199955 days
200024 days
200131 days
200241 days
200334 days
200427 days
200536 days
200642 days
200732 days
200831 days
200939 days
201043 days
201122 days
201235 days
201340 days
201452 days
201531 days
201640 days
201762 days
201831 days
201936 days
202046 days
202158 days
202231 days
202332 days
202431 days
202532 days
202637 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

68 years, 1940 to 2025

A day with at least 66.2 mm (2.6 in) of rain is expected about once in 2 years. A day with at least 143.6 mm (5.7 in) of rain is expected about once in 100 years.

Rainfall return levels at Geneseo: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years66.2 mm (2.6 in)
5 years88.8 mm (3.5 in)
10 years102.9 mm (4.1 in)
25 years120.0 mm (4.7 in)
50 years132.1 mm (5.2 in)
100 years143.6 mm (5.7 in)Longer than the 68 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, 68 years of values from 1940 to 2025.

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: 134.6 mm (5.3 in) in 2001; 126.0 mm (5.0 in) in 1941; 122.7 mm (4.8 in) in 2013.

Download the Data

  • Data for Geneseo standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Geneseo 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 2026-10-12 (12 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-12).