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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Atwood Lake Weather Records (USC00330298)

Record envelope, standing records and threshold days for Atwood Lake (USC00330298), Ohio, United States, with 39 years of record.

Key Facts for Atwood Lake

  • Atwood Lake (USC00330298) is a weather station in Ohio, United States at 40.52 latitude and -81.28 longitude, 290 m (950 ft) above sea level.
  • The station reports from 1949 to 1987, 39 years of record.
  • 0 records set at Atwood Lake still stand.
  • Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
  • Atwood Lake set a daily record precipitation of 16.5 mm (0.6 in) on 31 May 1987.

About the Station

  • Location: Ohio, United States, 40.52 latitude, -81.28 longitude.
  • Elevation: 290 m (950 ft).
  • Period of record: 1949 to 1987, 39 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 Atwood Lake, with 2026 drawn through them The band shows the record high and record low for each calendar day at Atwood Lake. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 000111 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Atwood Lake. 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 Atwood Lake, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
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Which Years Hold Standing Records

0 standing records
Standing records at Atwood Lake by the year they were set 0 records at Atwood Lake still stand. 00000000000
0 records at Atwood Lake still stand.
Standing records at Atwood Lake by the year they were set
Year setStanding records

Wettest Day of Each Month

Jul: 107.2 mm (4.2 in)
Record daily precipitation for each month at Atwood Lake The wettest day on record for each calendar month at Atwood Lake. The most was 107.2 mm (4.2 in) on 5 July 1969. 050100150 Jan: 54.4 mm (2.1 in), 27 January 1952 Jan Feb: 38.1 mm (1.5 in), 2 February 1981 Feb Mar: 68.8 mm (2.7 in), 10 March 1964 Mar Apr: 50.0 mm (2.0 in), 12 April 1981 Apr May: 43.9 mm (1.7 in), 28 May 1985 May Jun: 100.8 mm (4.0 in), 16 June 1970 Jun Jul: 107.2 mm (4.2 in), 5 July 1969 Jul Aug: 70.4 mm (2.8 in), 28 August 1974 Aug Sep: 66.0 mm (2.6 in), 5 September 1958 Sep Oct: 63.2 mm (2.5 in), 1 October 1959 Oct Nov: 63.0 mm (2.5 in), 5 November 1985 Nov Dec: 37.6 mm (1.5 in), 28 December 1968 Dec
The wettest day on record for each calendar month at Atwood Lake. The most was 107.2 mm (4.2 in) on 5 July 1969.
Record daily precipitation for each month at Atwood Lake
MonthRecord daily precipitation (mm)Date
Jan54.4 mm (2.1 in)27 January 1952
Feb38.1 mm (1.5 in)2 February 1981
Mar68.8 mm (2.7 in)10 March 1964
Apr50.0 mm (2.0 in)12 April 1981
May43.9 mm (1.7 in)28 May 1985
Jun100.8 mm (4.0 in)16 June 1970
Jul107.2 mm (4.2 in)5 July 1969
Aug70.4 mm (2.8 in)28 August 1974
Sep66.0 mm (2.6 in)5 September 1958
Oct63.2 mm (2.5 in)1 October 1959
Nov63.0 mm (2.5 in)5 November 1985
Dec37.6 mm (1.5 in)28 December 1968

Latest Records

20
Latest records at Atwood Lake
DateStationRecordValueBeat old record byOld record stoodSignificance
31 May 1987Atwood Lake, USdaily rain16.5 mm (0.6 in)1.5 mm (0.06 in)0 years4 of 100 (Routine)
19 May 1987Atwood Lake, USdaily rain17.5 mm (0.7 in)3.5 mm (0.14 in)28 years15 of 100 (Routine)
7 April 1987Atwood Lake, USdaily snow depth (Tie)2.5 cm (1.0 in)tie34 years3 of 100 (Routine)
6 April 1987Atwood Lake, USdaily snow depth10.2 cm (4.0 in)10.2 cm (4.0 in)36 years24 of 100 (Routine)
5 April 1987Atwood Lake, USdaily snow depth25.4 cm (10.0 in)25.4 cm (10.0 in)36 years39 of 100 (Notable)
4 April 1987Atwood Lake, USmonthly snow depth30.5 cm (12.0 in)22.9 cm (9.0 in)4 years36 of 100 (Notable)
4 April 1987Atwood Lake, USdaily rain36.8 mm (1.4 in)4.5 mm (0.18 in)29 years16 of 100 (Routine)
4 April 1987Atwood Lake, USall-time snowfall (Tie)30.5 cm (12.0 in)tie36 years8 of 100 (Routine)
31 March 1987Atwood Lake, USdaily rain40.4 mm (1.6 in)21.3 mm (0.8 in)24 years37 of 100 (Notable)
31 March 1987Atwood Lake, USdaily snowfall7.6 cm (3.0 in)5.1 cm (2.0 in)24 years24 of 100 (Routine)
2 January 1987Atwood Lake, USdaily snowfall (Tie)12.7 cm (5.0 in)tie23 years2 of 100 (Routine)
2 December 1986Atwood Lake, USdaily rain31.5 mm (1.2 in)2.3 mm (0.09 in)12 years9 of 100 (Routine)
21 November 1986Atwood Lake, USdaily rain13.2 mm (0.5 in)2.3 mm (0.09 in)29 years13 of 100 (Routine)
25 September 1986Atwood Lake, USdaily rain23.6 mm (0.9 in)19.8 mm (0.8 in)20 years20 of 100 (Routine)
2 July 1986Atwood Lake, USdaily rain46.2 mm (1.8 in)24.6 mm (1.0 in)27 years28 of 100 (Routine)
28 June 1986Atwood Lake, USdaily rain32.5 mm (1.3 in)7.1 mm (0.28 in)8 years10 of 100 (Routine)
7 June 1986Atwood Lake, USdaily rain23.1 mm (0.9 in)3.3 mm (0.13 in)15 years9 of 100 (Routine)
31 May 1986Atwood Lake, USdaily rain15.0 mm (0.6 in)0.8 mm (0.03 in)11 years7 of 100 (Routine)
15 February 1986Atwood Lake, USdaily snowfall7.6 cm (3.0 in)3.3 cm (1.3 in)31 years21 of 100 (Routine)
5 February 1986Atwood Lake, USdaily rain18.8 mm (0.7 in)3.6 mm (0.14 in)32 years17 of 100 (Routine)

Extremes by Year

1949 to 1987
Yearly extremes at Atwood Lake: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)107.2 mm (4.2 in)196955.9 mm (2.2 in)39
Wettest five days (Rx5day)151.9 mm (6.0 in)197081.7 mm (3.2 in)39
Longest dry spell (CDD)44 days196315 days39

Wettest day (Rx1day)

Wettest day (Rx1day) at Atwood Lake by year The wettest day of the year at Atwood Lake, 1949 to 1987. The record is 107.2 mm (4.2 in) in 1969, marked on the chart; the median year is 55.9 mm (2.2 in). 204060801001201950196019701980Record: 107.2 mm (4.2 in) in 1969
The wettest day of the year at Atwood Lake, 1949 to 1987. The record is 107.2 mm (4.2 in) in 1969, marked on the chart; the median year is 55.9 mm (2.2 in).
Wettest day (Rx1day) at Atwood Lake by year
YearWettest day (Rx1day)
194928.2 mm (1.1 in)
195086.4 mm (3.4 in)
195162.2 mm (2.4 in)
195254.4 mm (2.1 in)
195340.6 mm (1.6 in)
195457.2 mm (2.3 in)
195546.2 mm (1.8 in)
195661.5 mm (2.4 in)
195747.0 mm (1.9 in)
195882.8 mm (3.3 in)
195963.2 mm (2.5 in)
196034.3 mm (1.4 in)
196157.2 mm (2.3 in)
196235.3 mm (1.4 in)
196348.5 mm (1.9 in)
196468.8 mm (2.7 in)
196594.5 mm (3.7 in)
196633.0 mm (1.3 in)
196733.3 mm (1.3 in)
196841.4 mm (1.6 in)
1969107.2 mm (4.2 in)
1970100.8 mm (4.0 in)
197132.5 mm (1.3 in)
197230.7 mm (1.2 in)
197335.1 mm (1.4 in)
197470.4 mm (2.8 in)
197562.2 mm (2.4 in)
197655.9 mm (2.2 in)
197774.4 mm (2.9 in)
197867.3 mm (2.6 in)
197941.1 mm (1.6 in)
198058.4 mm (2.3 in)
198150.0 mm (2.0 in)
198253.6 mm (2.1 in)
198368.8 mm (2.7 in)
198464.8 mm (2.6 in)
198563.0 mm (2.5 in)
198650.0 mm (2.0 in)
198740.4 mm (1.6 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Atwood Lake by year The wettest five days of the year at Atwood Lake, 1949 to 1987. The record is 151.9 mm (6.0 in) in 1970, marked on the chart; the median year is 81.7 mm (3.2 in). 0501001502001950196019701980Record: 151.9 mm (6.0 in) in 1970
The wettest five days of the year at Atwood Lake, 1949 to 1987. The record is 151.9 mm (6.0 in) in 1970, marked on the chart; the median year is 81.7 mm (3.2 in).
Wettest five days (Rx5day) at Atwood Lake by year
YearWettest five days (Rx5day)
194954.3 mm (2.1 in)
195088.4 mm (3.5 in)
195162.2 mm (2.4 in)
195286.2 mm (3.4 in)
195355.4 mm (2.2 in)
195484.5 mm (3.3 in)
195566.1 mm (2.6 in)
195665.3 mm (2.6 in)
195763.0 mm (2.5 in)
1958140.5 mm (5.5 in)
195981.5 mm (3.2 in)
196042.9 mm (1.7 in)
196182.1 mm (3.2 in)
196253.9 mm (2.1 in)
196377.5 mm (3.1 in)
1964104.3 mm (4.1 in)
196599.1 mm (3.9 in)
196666.3 mm (2.6 in)
196756.6 mm (2.2 in)
196864.8 mm (2.6 in)
1969146.5 mm (5.8 in)
1970151.9 mm (6.0 in)
197151.6 mm (2.0 in)
197248.3 mm (1.9 in)
197377.0 mm (3.0 in)
1974139.0 mm (5.5 in)
1975121.6 mm (4.8 in)
1976117.2 mm (4.6 in)
197782.0 mm (3.2 in)
1978102.9 mm (4.1 in)
197981.7 mm (3.2 in)
198093.2 mm (3.7 in)
198179.2 mm (3.1 in)
198253.6 mm (2.1 in)
198395.5 mm (3.8 in)
1984101.5 mm (4.0 in)
198593.8 mm (3.7 in)
198686.8 mm (3.4 in)
198778.2 mm (3.1 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Atwood Lake by year The longest dry spell of the year at Atwood Lake, 1949 to 1987. The record is 44 days in 1963, marked on the chart; the median year is 15 days. 10203040501950196019701980Record: 44 days in 1963
The longest dry spell of the year at Atwood Lake, 1949 to 1987. The record is 44 days in 1963, marked on the chart; the median year is 15 days.
Longest dry spell (CDD) at Atwood Lake by year
YearLongest dry spell (CDD)
194911 days
195012 days
195114 days
195226 days
195317 days
195414 days
195516 days
195616 days
195715 days
195812 days
195918 days
196012 days
196112 days
196213 days
196344 days
196423 days
196514 days
196615 days
196726 days
196824 days
196939 days
197014 days
197117 days
197213 days
197313 days
197415 days
197515 days
197624 days
197717 days
197816 days
197910 days
198017 days
198125 days
198211 days
198315 days
198415 days
198514 days
198615 days
198715 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

37 years, 1950 to 1986

A day with at least 54.9 mm (2.2 in) of rain is expected about once in 2 years. A day with at least 116.7 mm (4.6 in) of rain is expected about once in 100 years.

Rainfall return levels at Atwood Lake: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years54.9 mm (2.2 in)
5 years72.6 mm (2.9 in)
10 years83.9 mm (3.3 in)
25 years97.6 mm (3.8 in)
50 years107.3 mm (4.2 in)Longer than the 37 years of record
100 years116.7 mm (4.6 in)Longer than the 37 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, 37 years of values from 1950 to 1986.

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: 107.2 mm (4.2 in) in 1969; 100.8 mm (4.0 in) in 1970; 94.5 mm (3.7 in) in 1965.

Download the Data

  • Data for Atwood Lake standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Atwood 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).