Oswayo 1 ENE Weather Records (USC00366649)

Record envelope, standing records and threshold days for Oswayo 1 ENE (USC00366649), Pennsylvania, United States, with 31 years of record.

Key Facts for Oswayo 1 ENE

Oswayo 1 ENE (USC00366649) is a weather station in Pennsylvania, United States at 41.92 latitude and -78.01 longitude, 521 m (1,710 ft) above sea level.
The station reports from 1991 to 2021, 31 years of record.
1,464 records set at Oswayo 1 ENE still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Pennsylvania, United States, 41.92 latitude, -78.01 longitude.
Elevation: 521 m (1,710 ft).
Period of record: 1991 to 2021, 31 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 Oswayo 1 ENE. 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 Oswayo 1 ENE, 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)	-32.2 C (-26.0 F)	n/a	n/a
Feb	21.7 C (71.1 F)	-35.6 C (-32.1 F)	n/a	n/a
Mar	25.0 C (77.0 F)	-29.4 C (-20.9 F)	n/a	n/a
Apr	30.0 C (86.0 F)	-14.4 C (6.1 F)	n/a	n/a
May	31.7 C (89.1 F)	-5.6 C (21.9 F)	n/a	n/a
Jun	32.2 C (90.0 F)	-1.1 C (30.0 F)	n/a	n/a
Jul	38.9 C (102.0 F)	1.1 C (34.0 F)	n/a	n/a
Aug	32.8 C (91.0 F)	2.2 C (36.0 F)	n/a	n/a
Sep	32.2 C (90.0 F)	-1.7 C (28.9 F)	n/a	n/a
Oct	28.9 C (84.0 F)	-8.3 C (17.1 F)	n/a	n/a
Nov	23.9 C (75.0 F)	-21.1 C (-6.0 F)	n/a	n/a
Dec	18.9 C (66.0 F)	-23.3 C (-9.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Oswayo 1 ENE still stand. 2007 holds the most, with 129.

Wettest Day of Each Month

Aug: 90.4 mm (3.6 in)

The wettest day on record for each calendar month at Oswayo 1 ENE. The most was 90.4 mm (3.6 in) on 14 August 1994.

Record daily precipitation for each month at Oswayo 1 ENE
Month	Record daily precipitation (mm)	Date
Jan	54.9 mm (2.2 in)	25 January 2010
Feb	33.3 mm (1.3 in)	6 February 2008
Mar	44.7 mm (1.8 in)	15 March 2007
Apr	39.1 mm (1.5 in)	30 April 2021
May	50.8 mm (2.0 in)	12 May 1996
Jun	57.7 mm (2.3 in)	26 June 2014
Jul	75.4 mm (3.0 in)	16 July 2018
Aug	90.4 mm (3.6 in)	14 August 1994
Sep	85.6 mm (3.4 in)	30 September 2015
Oct	81.8 mm (3.2 in)	21 October 1995
Nov	60.7 mm (2.4 in)	30 November 2005
Dec	80.3 mm (3.2 in)	1 December 2010

Period of Record Coverage

2006 to 2021

16 years of record at Oswayo 1 ENE, 2006 to 2021. 4 years have data for under 90 percent of days and are left out of rankings: 2006, 2019, 2020, 2021.

Days with data per year at Oswayo 1 ENE
Year	Days with data	Share of year	Complete
2006	214	59%	No
2007	365	100%	Yes
2008	366	100%	Yes
2009	364	100%	Yes
2010	365	100%	Yes
2011	365	100%	Yes
2012	365	100%	Yes
2013	365	100%	Yes
2014	364	100%	Yes
2015	365	100%	Yes
2016	366	100%	Yes
2017	365	100%	Yes
2018	365	100%	Yes
2019	252	69%	No
2020	245	67%	No
2021	120	33%	No

Latest Records

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

Climate Trend

12 complete years, 2007 to 2018

One stripe for each of 12 complete years at Oswayo 1 ENE, 2007 to 2018. Blue stripes are years cooler than the station's own mean of 7.0 C (44.6 F); red stripes are warmer. The coolest year was 2014, at 5.7 C (42.3 F), and the warmest was 2012, at 8.2 C (46.8 F). The strongest colour marks a difference of 1.3 C (2.3 F).

Annual mean temperature at Oswayo 1 ENE as warming stripes, 2007 to 2018
Year	Annual mean temperature	Difference from the station mean
2007	7.0 C	-0.01 C
2008	6.8 C	-0.22 C
2009	6.5 C	-0.51 C
2010	7.3 C	+0.23 C
2011	7.6 C	+0.54 C
2012	8.2 C	+1.20 C
2013	6.6 C	-0.38 C
2014	5.7 C	-1.30 C
2015	6.6 C	-0.46 C
2016	7.6 C	+0.57 C
2017	7.5 C	+0.43 C
2018	6.9 C	-0.14 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

1991 to 2021

Yearly extremes at Oswayo 1 ENE: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	38.9 C (102.0 F)	2011	32.0 C (89.5 F)	16
Coldest night (TNn)	-35.6 C (-32.1 F)	2015	-26.6 C (-16.0 F)	16
Wettest day (Rx1day)	90.4 mm (3.6 in)	1994	51.3 mm (2.0 in)	31
Wettest five days (Rx5day)	155.9 mm (6.1 in)	1994	84.3 mm (3.3 in)	31
Longest dry spell (CDD)	17 days	2006	12 days	31

Hottest day (TXx)

The hottest day of the year at Oswayo 1 ENE, 1991 to 2021. The record is 38.9 C (102.0 F) in 2011, marked on the chart; the median year is 32.0 C (89.5 F).

Hottest day (TXx) at Oswayo 1 ENE by year
Year	Hottest day (TXx)
1991	n/a
1992	n/a
1993	n/a
1994	n/a
1995	n/a
1996	n/a
1997	n/a
1998	n/a
1999	n/a
2000	n/a
2001	n/a
2002	n/a
2003	n/a
2004	n/a
2005	n/a
2006	32.2 C (90.0 F)
2007	32.8 C (91.0 F)
2008	32.2 C (90.0 F)
2009	31.1 C (88.0 F)
2010	33.9 C (93.0 F)
2011	38.9 C (102.0 F)
2012	32.8 C (91.0 F)
2013	32.2 C (90.0 F)
2014	30.6 C (87.1 F)
2015	30.6 C (87.1 F)
2016	31.7 C (89.1 F)
2017	31.1 C (88.0 F)
2018	32.2 C (90.0 F)
2019	31.1 C (88.0 F)
2020	31.7 C (89.1 F)
2021	25.0 C (77.0 F)

Coldest night (TNn)

The coldest night of the year at Oswayo 1 ENE, 1991 to 2021. The record is -35.6 C (-32.1 F) in 2015, marked on the chart; the median year is -26.6 C (-16.0 F).

Coldest night (TNn) at Oswayo 1 ENE by year
Year	Coldest night (TNn)
1991	n/a
1992	n/a
1993	n/a
1994	n/a
1995	n/a
1996	n/a
1997	n/a
1998	n/a
1999	n/a
2000	n/a
2001	n/a
2002	n/a
2003	n/a
2004	n/a
2005	n/a
2006	-15.6 C (3.9 F)
2007	-26.1 C (-15.0 F)
2008	-23.9 C (-11.0 F)
2009	-32.2 C (-26.0 F)
2010	-27.2 C (-17.0 F)
2011	-31.1 C (-24.0 F)
2012	-23.3 C (-9.9 F)
2013	-25.6 C (-14.1 F)
2014	-31.1 C (-24.0 F)
2015	-35.6 C (-32.1 F)
2016	-28.3 C (-18.9 F)
2017	-23.3 C (-9.9 F)
2018	-28.3 C (-18.9 F)
2019	-28.3 C (-18.9 F)
2020	-11.7 C (10.9 F)
2021	-18.9 C (-2.0 F)

Wettest day (Rx1day)

The wettest day of the year at Oswayo 1 ENE, 1991 to 2021. The record is 90.4 mm (3.6 in) in 1994, marked on the chart; the median year is 51.3 mm (2.0 in).

Wettest day (Rx1day) at Oswayo 1 ENE by year
Year	Wettest day (Rx1day)
1991	35.8 mm (1.4 in)
1992	51.3 mm (2.0 in)
1993	64.8 mm (2.6 in)
1994	90.4 mm (3.6 in)
1995	81.8 mm (3.2 in)
1996	54.9 mm (2.2 in)
1997	32.5 mm (1.3 in)
1998	48.3 mm (1.9 in)
1999	45.7 mm (1.8 in)
2000	38.4 mm (1.5 in)
2001	49.3 mm (1.9 in)
2002	48.8 mm (1.9 in)
2003	64.8 mm (2.6 in)
2004	72.4 mm (2.9 in)
2005	60.7 mm (2.4 in)
2006	52.6 mm (2.1 in)
2007	82.0 mm (3.2 in)
2008	33.3 mm (1.3 in)
2009	50.8 mm (2.0 in)
2010	80.3 mm (3.2 in)
2011	34.3 mm (1.4 in)
2012	51.3 mm (2.0 in)
2013	53.3 mm (2.1 in)
2014	57.7 mm (2.3 in)
2015	85.6 mm (3.4 in)
2016	44.7 mm (1.8 in)
2017	41.1 mm (1.6 in)
2018	75.4 mm (3.0 in)
2019	33.3 mm (1.3 in)
2020	52.3 mm (2.1 in)
2021	39.1 mm (1.5 in)

Wettest five days (Rx5day)

The wettest five days of the year at Oswayo 1 ENE, 1991 to 2021. The record is 155.9 mm (6.1 in) in 1994, marked on the chart; the median year is 84.3 mm (3.3 in).

Wettest five days (Rx5day) at Oswayo 1 ENE by year
Year	Wettest five days (Rx5day)
1991	48.3 mm (1.9 in)
1992	81.6 mm (3.2 in)
1993	91.8 mm (3.6 in)
1994	155.9 mm (6.1 in)
1995	84.3 mm (3.3 in)
1996	97.4 mm (3.8 in)
1997	66.0 mm (2.6 in)
1998	78.1 mm (3.1 in)
1999	107.7 mm (4.2 in)
2000	72.2 mm (2.8 in)
2001	61.8 mm (2.4 in)
2002	91.2 mm (3.6 in)
2003	154.0 mm (6.1 in)
2004	88.4 mm (3.5 in)
2005	90.9 mm (3.6 in)
2006	75.9 mm (3.0 in)
2007	102.1 mm (4.0 in)
2008	61.8 mm (2.4 in)
2009	72.7 mm (2.9 in)
2010	94.7 mm (3.7 in)
2011	80.6 mm (3.2 in)
2012	65.1 mm (2.6 in)
2013	58.1 mm (2.3 in)
2014	89.9 mm (3.5 in)
2015	97.8 mm (3.9 in)
2016	110.2 mm (4.3 in)
2017	88.9 mm (3.5 in)
2018	108.7 mm (4.3 in)
2019	60.4 mm (2.4 in)
2020	76.2 mm (3.0 in)
2021	61.7 mm (2.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Oswayo 1 ENE, 1991 to 2021. The record is 17 days in 2006, marked on the chart; the median year is 12 days.

Longest dry spell (CDD) at Oswayo 1 ENE by year
Year	Longest dry spell (CDD)
1991	10 days
1992	13 days
1993	10 days
1994	14 days
1995	15 days
1996	11 days
1997	11 days
1998	12 days
1999	14 days
2000	9 days
2001	9 days
2002	11 days
2003	12 days
2004	11 days
2005	14 days
2006	17 days
2007	13 days
2008	11 days
2009	13 days
2010	11 days
2011	14 days
2012	10 days
2013	13 days
2014	10 days
2015	9 days
2016	10 days
2017	14 days
2018	11 days
2019	13 days
2020	14 days
2021	12 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 Oswayo 1 ENE standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Oswayo 1 ENE 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).