Greenfield Wwtp Weather Records (USC00333356)

Record envelope, standing records and threshold days for Greenfield Wwtp (USC00333356), Ohio, United States, with 134 years of record.

Key Facts for Greenfield Wwtp

Greenfield Wwtp (USC00333356) is a weather station in Ohio, United States at 39.34 latitude and -83.38 longitude, 262 m (858 ft) above sea level.
The station reports from 1893 to 2026, 134 years of record.
1,464 records set at Greenfield Wwtp still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Ohio, United States, 39.34 latitude, -83.38 longitude.
Elevation: 262 m (858 ft).
Period of record: 1893 to 2026, 134 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Greenfield Wwtp. 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 Greenfield Wwtp, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	18.3 C (64.9 F)	-26.1 C (-15.0 F)	n/a	n/a
Feb	18.9 C (66.0 F)	-26.1 C (-15.0 F)	n/a	n/a
Mar	26.7 C (80.1 F)	-16.1 C (3.0 F)	n/a	n/a
Apr	32.2 C (90.0 F)	-4.4 C (24.1 F)	n/a	n/a
May	35.0 C (95.0 F)	0.0 C (32.0 F)	n/a	n/a
Jun	38.9 C (102.0 F)	7.2 C (45.0 F)	n/a	n/a
Jul	39.4 C (102.9 F)	10.0 C (50.0 F)	n/a	n/a
Aug	35.6 C (96.1 F)	8.9 C (48.0 F)	n/a	n/a
Sep	35.6 C (96.1 F)	2.2 C (36.0 F)	n/a	n/a
Oct	28.9 C (84.0 F)	-4.4 C (24.1 F)	n/a	n/a
Nov	22.8 C (73.0 F)	-12.2 C (10.0 F)	n/a	n/a
Dec	18.3 C (64.9 F)	-21.1 C (-6.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Greenfield Wwtp still stand. 1894 holds the most, with 153.

Wettest Day of Each Month

Jul: 112.3 mm (4.4 in)

The wettest day on record for each calendar month at Greenfield Wwtp. The most was 112.3 mm (4.4 in) on 2 July 1922.

Record daily precipitation for each month at Greenfield Wwtp
Month	Record daily precipitation (mm)	Date
Jan	42.4 mm (1.7 in)	6 January 1950
Feb	62.7 mm (2.5 in)	28 February 2017
Mar	76.2 mm (3.0 in)	5 March 1897
Apr	104.6 mm (4.1 in)	14 April 1922
May	83.8 mm (3.3 in)	19 May 2020
Jun	81.3 mm (3.2 in)	23 June 2017
Jul	112.3 mm (4.4 in)	2 July 1922
Aug	75.9 mm (3.0 in)	17 August 1921
Sep	89.9 mm (3.5 in)	28 September 2024
Oct	47.5 mm (1.9 in)	31 October 1919
Nov	78.7 mm (3.1 in)	5 November 2017
Dec	62.5 mm (2.5 in)	24 December 1921

Period of Record Coverage

1893 to 1905

13 years of record at Greenfield Wwtp, 1893 to 1905. 4 years have data for under 90 percent of days and are left out of rankings: 1893, 1897, 1901, 1905.

Days with data per year at Greenfield Wwtp
Year	Days with data	Share of year	Complete
1893	315	86%	No
1894	346	95%	Yes
1895	337	92%	Yes
1896	347	95%	Yes
1897	309	85%	No
1898	338	93%	Yes
1899	341	93%	Yes
1900	352	96%	Yes
1901	198	54%	No
1902	362	99%	Yes
1903	363	99%	Yes
1904	364	99%	Yes
1905	88	24%	No

Latest Records

No records were set at this station in the latest data.

Extremes by Year

1893 to 2026

Yearly extremes at Greenfield Wwtp: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	39.4 C (102.9 F)	1901	35.6 C (96.1 F)	13
Coldest night (TNn)	-26.1 C (-15.0 F)	1893	-21.1 C (-6.0 F)	13
Wettest day (Rx1day)	112.3 mm (4.4 in)	1922	50.8 mm (2.0 in)	36
Wettest five days (Rx5day)	149.1 mm (5.9 in)	1922	89.2 mm (3.5 in)	36
Longest dry spell (CDD)	37 days	1900	17 days	36

Hottest day (TXx)

The hottest day of the year at Greenfield Wwtp, 1893 to 2026. The record is 39.4 C (102.9 F) in 1901, marked on the chart; the median year is 35.6 C (96.1 F).

Hottest day (TXx) at Greenfield Wwtp by year
Year	Hottest day (TXx)
1893	38.9 C (102.0 F)
1894	36.1 C (97.0 F)
1895	36.7 C (98.1 F)
1896	34.4 C (93.9 F)
1897	37.8 C (100.0 F)
1898	38.3 C (100.9 F)
1899	35.6 C (96.1 F)
1900	35.6 C (96.1 F)
1901	39.4 C (102.9 F)
1902	34.4 C (93.9 F)
1903	35.0 C (95.0 F)
1904	35.0 C (95.0 F)
1905	26.1 C (79.0 F)
1917	n/a
1918	n/a
1919	n/a
1920	n/a
1921	n/a
1922	n/a
1923	n/a
1924	n/a
1948	n/a
1949	n/a
1950	n/a
1951	n/a
2016	n/a
2017	n/a
2018	n/a
2019	n/a
2020	n/a
2021	n/a
2022	n/a
2023	n/a
2024	n/a
2025	n/a
2026	n/a

Coldest night (TNn)

The coldest night of the year at Greenfield Wwtp, 1893 to 2026. The record is -26.1 C (-15.0 F) in 1893, marked on the chart; the median year is -21.1 C (-6.0 F).

Coldest night (TNn) at Greenfield Wwtp by year
Year	Coldest night (TNn)
1893	-26.1 C (-15.0 F)
1894	-18.9 C (-2.0 F)
1895	-24.4 C (-11.9 F)
1896	-18.9 C (-2.0 F)
1897	-22.8 C (-9.0 F)
1898	-18.3 C (-0.9 F)
1899	-26.1 C (-15.0 F)
1900	-20.0 C (-4.0 F)
1901	-21.1 C (-6.0 F)
1902	-18.3 C (-0.9 F)
1903	-20.6 C (-5.1 F)
1904	-21.7 C (-7.1 F)
1905	-21.1 C (-6.0 F)
1917	n/a
1918	n/a
1919	n/a
1920	n/a
1921	n/a
1922	n/a
1923	n/a
1924	n/a
1948	n/a
1949	n/a
1950	n/a
1951	n/a
2016	n/a
2017	n/a
2018	n/a
2019	n/a
2020	n/a
2021	n/a
2022	n/a
2023	n/a
2024	n/a
2025	n/a
2026	n/a

Wettest day (Rx1day)

The wettest day of the year at Greenfield Wwtp, 1893 to 2026. The record is 112.3 mm (4.4 in) in 1922, marked on the chart; the median year is 50.8 mm (2.0 in).

Wettest day (Rx1day) at Greenfield Wwtp by year
Year	Wettest day (Rx1day)
1893	45.7 mm (1.8 in)
1894	45.7 mm (1.8 in)
1895	40.6 mm (1.6 in)
1896	50.8 mm (2.0 in)
1897	76.2 mm (3.0 in)
1898	43.2 mm (1.7 in)
1899	48.3 mm (1.9 in)
1900	51.3 mm (2.0 in)
1901	48.3 mm (1.9 in)
1902	36.8 mm (1.4 in)
1903	50.8 mm (2.0 in)
1904	34.3 mm (1.4 in)
1905	30.0 mm (1.2 in)
1917	30.5 mm (1.2 in)
1918	61.7 mm (2.4 in)
1919	57.2 mm (2.3 in)
1920	66.0 mm (2.6 in)
1921	75.9 mm (3.0 in)
1922	112.3 mm (4.4 in)
1923	34.3 mm (1.4 in)
1924	35.6 mm (1.4 in)
1948	74.4 mm (2.9 in)
1949	40.1 mm (1.6 in)
1950	80.3 mm (3.2 in)
1951	36.6 mm (1.4 in)
2016	48.3 mm (1.9 in)
2017	81.3 mm (3.2 in)
2018	86.1 mm (3.4 in)
2019	64.8 mm (2.6 in)
2020	83.8 mm (3.3 in)
2021	47.0 mm (1.9 in)
2022	55.9 mm (2.2 in)
2023	45.5 mm (1.8 in)
2024	89.9 mm (3.5 in)
2025	81.3 mm (3.2 in)
2026	59.7 mm (2.4 in)

Wettest five days (Rx5day)

The wettest five days of the year at Greenfield Wwtp, 1893 to 2026. The record is 149.1 mm (5.9 in) in 1922, marked on the chart; the median year is 89.2 mm (3.5 in).

Wettest five days (Rx5day) at Greenfield Wwtp by year
Year	Wettest five days (Rx5day)
1893	36.8 mm (1.4 in)
1894	19.2 mm (0.8 in)
1895	0.0 mm (0.00 in)
1896	58.9 mm (2.3 in)
1897	80.0 mm (3.1 in)
1898	71.1 mm (2.8 in)
1899	99.0 mm (3.9 in)
1900	97.1 mm (3.8 in)
1901	48.3 mm (1.9 in)
1902	101.6 mm (4.0 in)
1903	68.4 mm (2.7 in)
1904	73.4 mm (2.9 in)
1905	45.7 mm (1.8 in)
1917	42.9 mm (1.7 in)
1918	93.3 mm (3.7 in)
1919	114.1 mm (4.5 in)
1920	94.3 mm (3.7 in)
1921	94.5 mm (3.7 in)
1922	149.1 mm (5.9 in)
1923	65.6 mm (2.6 in)
1924	50.6 mm (2.0 in)
1948	112.5 mm (4.4 in)
1949	58.9 mm (2.3 in)
1950	129.5 mm (5.1 in)
1951	65.4 mm (2.6 in)
2016	58.5 mm (2.3 in)
2017	101.8 mm (4.0 in)
2018	102.4 mm (4.0 in)
2019	96.2 mm (3.8 in)
2020	133.8 mm (5.3 in)
2021	85.3 mm (3.4 in)
2022	93.0 mm (3.7 in)
2023	72.7 mm (2.9 in)
2024	132.1 mm (5.2 in)
2025	117.3 mm (4.6 in)
2026	111.8 mm (4.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Greenfield Wwtp, 1893 to 2026. The record is 37 days in 1900, marked on the chart; the median year is 17 days.

Longest dry spell (CDD) at Greenfield Wwtp by year
Year	Longest dry spell (CDD)
1893	7 days
1894	2 days
1895	30 days
1896	12 days
1897	30 days
1898	21 days
1899	28 days
1900	37 days
1901	25 days
1902	20 days
1903	26 days
1904	29 days
1905	11 days
1917	27 days
1918	21 days
1919	13 days
1920	17 days
1921	18 days
1922	20 days
1923	24 days
1924	14 days
1948	13 days
1949	12 days
1950	16 days
1951	13 days
2016	9 days
2017	16 days
2018	12 days
2019	19 days
2020	16 days
2021	12 days
2022	17 days
2023	17 days
2024	24 days
2025	17 days
2026	15 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 Greenfield Wwtp standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Greenfield Wwtp 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).