Mt Pleasant Weather Records (USC00366042)

Record envelope, standing records and threshold days for Mt Pleasant (USC00366042), Pennsylvania, United States, with 31 years of record.

Key Facts for Mt Pleasant

Mt Pleasant (USC00366042) is a weather station in Pennsylvania, United States at 40.22 latitude and -79.50 longitude, 306 m (1,003 ft) above sea level.
The station reports from 1981 to 2011, 31 years of record.
1,464 records set at Mt Pleasant 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, 40.22 latitude, -79.50 longitude.
Elevation: 306 m (1,003 ft).
Period of record: 1981 to 2011, 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 Mt Pleasant. 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 Mt Pleasant, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	22.2 C (72.0 F)	-25.6 C (-14.1 F)	n/a	n/a
Feb	23.9 C (75.0 F)	-23.9 C (-11.0 F)	n/a	n/a
Mar	28.3 C (82.9 F)	-19.4 C (-2.9 F)	n/a	n/a
Apr	30.6 C (87.1 F)	-10.0 C (14.0 F)	n/a	n/a
May	31.7 C (89.1 F)	-2.8 C (27.0 F)	n/a	n/a
Jun	33.3 C (91.9 F)	1.7 C (35.1 F)	n/a	n/a
Jul	35.6 C (96.1 F)	6.1 C (43.0 F)	n/a	n/a
Aug	35.6 C (96.1 F)	5.0 C (41.0 F)	n/a	n/a
Sep	33.3 C (91.9 F)	0.6 C (33.1 F)	n/a	n/a
Oct	30.0 C (86.0 F)	-6.7 C (19.9 F)	n/a	n/a
Nov	26.7 C (80.1 F)	-14.4 C (6.1 F)	n/a	n/a
Dec	22.8 C (73.0 F)	-19.4 C (-2.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Mt Pleasant still stand. 1992 holds the most, with 114.

Standing records at Mt Pleasant by the year they were set
Year set	Standing records
1991	91
1992	114
1993	23
1996	37
1997	76
1998	78
1999	110
2000	91
2001	100
2002	95
2003	57
2004	79
2005	72
2006	74
2007	97
2008	86
2009	81
2010	96
2011	7

Wettest Day of Each Month

Sep: 101.6 mm (4.0 in)

The wettest day on record for each calendar month at Mt Pleasant. The most was 101.6 mm (4.0 in) on 18 September 2004.

Record daily precipitation for each month at Mt Pleasant
Month	Record daily precipitation (mm)	Date
Jan	60.5 mm (2.4 in)	6 January 2005
Feb	50.8 mm (2.0 in)	11 February 2008
Mar	47.2 mm (1.9 in)	5 March 1988
Apr	67.1 mm (2.6 in)	12 April 1981
May	49.0 mm (1.9 in)	29 May 1984
Jun	57.2 mm (2.3 in)	17 June 2009
Jul	88.6 mm (3.5 in)	9 July 1986
Aug	66.8 mm (2.6 in)	24 August 1989
Sep	101.6 mm (4.0 in)	18 September 2004
Oct	34.3 mm (1.4 in)	25 October 2005
Nov	52.1 mm (2.1 in)	27 November 1985
Dec	101.6 mm (4.0 in)	28 December 2009

Period of Record Coverage

1991 to 2011

19 years of record at Mt Pleasant, 1991 to 2011. 5 years have data for under 90 percent of days and are left out of rankings: 1991, 1993, 1996, 1997, 2011.

Days with data per year at Mt Pleasant
Year	Days with data	Share of year	Complete
1991	214	59%	No
1992	366	100%	Yes
1993	90	25%	No
1996	121	33%	No
1997	286	78%	No
1998	346	95%	Yes
1999	359	98%	Yes
2000	349	95%	Yes
2001	356	98%	Yes
2002	352	96%	Yes
2003	364	100%	Yes
2004	364	99%	Yes
2005	363	99%	Yes
2006	363	99%	Yes
2007	363	99%	Yes
2008	360	98%	Yes
2009	354	97%	Yes
2010	361	99%	Yes
2011	68	19%	No

Latest Records

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

Climate Trend

12 complete years, 1992 to 2010

One stripe for each of 12 complete years at Mt Pleasant, 1992 to 2010. Blue stripes are years cooler than the station's own mean of 10.2 C (50.4 F); red stripes are warmer. The coolest year was 2000, at 9.7 C (49.4 F), and the warmest was 2006, at 10.8 C (51.4 F). The strongest colour marks a difference of 0.6 C (1.1 F).

Annual mean temperature at Mt Pleasant as warming stripes, 1992 to 2010
Year	Annual mean temperature	Difference from the station mean
1992	10.1 C	-0.16 C
1999	10.7 C	+0.50 C
2000	9.7 C	-0.56 C
2001	10.6 C	+0.41 C
2003	9.7 C	-0.52 C
2004	10.4 C	+0.23 C
2005	10.4 C	+0.19 C
2006	10.8 C	+0.56 C
2007	10.3 C	+0.08 C
2008	9.8 C	-0.43 C
2009	9.9 C	-0.36 C
2010	10.2 C	+0.03 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 2011

Yearly extremes at Mt Pleasant: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	35.6 C (96.1 F)	1991	32.2 C (90.0 F)	19
Coldest night (TNn)	-25.6 C (-14.1 F)	2009	-18.9 C (-2.0 F)	19
Wettest day (Rx1day)	101.6 mm (4.0 in)	2004	50.8 mm (2.0 in)	31
Wettest five days (Rx5day)	191.8 mm (7.6 in)	2009	87.6 mm (3.4 in)	31
Longest dry spell (CDD)	30 days	1995	13 days	31

Hottest day (TXx)

The hottest day of the year at Mt Pleasant, 1981 to 2011. The record is 35.6 C (96.1 F) in 1991, marked on the chart; the median year is 32.2 C (90.0 F).

Hottest day (TXx) at Mt Pleasant by year
Year	Hottest day (TXx)
1981	n/a
1982	n/a
1983	n/a
1984	n/a
1985	n/a
1986	n/a
1987	n/a
1988	n/a
1989	n/a
1990	n/a
1991	35.6 C (96.1 F)
1992	31.7 C (89.1 F)
1993	22.8 C (73.0 F)
1994	n/a
1995	n/a
1996	29.4 C (84.9 F)
1997	33.3 C (91.9 F)
1998	32.2 C (90.0 F)
1999	35.6 C (96.1 F)
2000	31.1 C (88.0 F)
2001	32.8 C (91.0 F)
2002	33.3 C (91.9 F)
2003	30.0 C (86.0 F)
2004	30.0 C (86.0 F)
2005	33.9 C (93.0 F)
2006	32.8 C (91.0 F)
2007	32.8 C (91.0 F)
2008	31.7 C (89.1 F)
2009	31.1 C (88.0 F)
2010	33.3 C (91.9 F)
2011	18.9 C (66.0 F)

Coldest night (TNn)

The coldest night of the year at Mt Pleasant, 1981 to 2011. The record is -25.6 C (-14.1 F) in 2009, marked on the chart; the median year is -18.9 C (-2.0 F).

Coldest night (TNn) at Mt Pleasant by year
Year	Coldest night (TNn)
1981	n/a
1982	n/a
1983	n/a
1984	n/a
1985	n/a
1986	n/a
1987	n/a
1988	n/a
1989	n/a
1990	n/a
1991	-16.1 C (3.0 F)
1992	-18.3 C (-0.9 F)
1993	-17.8 C (0.0 F)
1994	n/a
1995	n/a
1996	-16.1 C (3.0 F)
1997	-21.1 C (-6.0 F)
1998	-14.4 C (6.1 F)
1999	-18.9 C (-2.0 F)
2000	-22.2 C (-8.0 F)
2001	-15.0 C (5.0 F)
2002	-15.0 C (5.0 F)
2003	-22.2 C (-8.0 F)
2004	-22.8 C (-9.0 F)
2005	-19.4 C (-2.9 F)
2006	-16.1 C (3.0 F)
2007	-22.8 C (-9.0 F)
2008	-16.1 C (3.0 F)
2009	-25.6 C (-14.1 F)
2010	-24.4 C (-11.9 F)
2011	-25.0 C (-13.0 F)

Wettest day (Rx1day)

The wettest day of the year at Mt Pleasant, 1981 to 2011. The record is 101.6 mm (4.0 in) in 2004, marked on the chart; the median year is 50.8 mm (2.0 in).

Wettest day (Rx1day) at Mt Pleasant by year
Year	Wettest day (Rx1day)
1981	67.1 mm (2.6 in)
1982	40.1 mm (1.6 in)
1983	35.1 mm (1.4 in)
1984	49.0 mm (1.9 in)
1985	76.7 mm (3.0 in)
1986	88.6 mm (3.5 in)
1987	57.2 mm (2.3 in)
1988	73.4 mm (2.9 in)
1989	66.8 mm (2.6 in)
1990	49.3 mm (1.9 in)
1991	82.6 mm (3.3 in)
1992	45.2 mm (1.8 in)
1993	72.4 mm (2.9 in)
1994	50.0 mm (2.0 in)
1995	31.0 mm (1.2 in)
1996	38.1 mm (1.5 in)
1997	49.0 mm (1.9 in)
1998	54.1 mm (2.1 in)
1999	66.3 mm (2.6 in)
2000	41.9 mm (1.6 in)
2001	49.5 mm (1.9 in)
2002	47.5 mm (1.9 in)
2003	47.0 mm (1.9 in)
2004	101.6 mm (4.0 in)
2005	60.5 mm (2.4 in)
2006	39.6 mm (1.6 in)
2007	76.2 mm (3.0 in)
2008	50.8 mm (2.0 in)
2009	101.6 mm (4.0 in)
2010	55.9 mm (2.2 in)
2011	30.5 mm (1.2 in)

Wettest five days (Rx5day)

The wettest five days of the year at Mt Pleasant, 1981 to 2011. The record is 191.8 mm (7.6 in) in 2009, marked on the chart; the median year is 87.6 mm (3.4 in).

Wettest five days (Rx5day) at Mt Pleasant by year
Year	Wettest five days (Rx5day)
1981	108.8 mm (4.3 in)
1982	55.3 mm (2.2 in)
1983	69.4 mm (2.7 in)
1984	54.9 mm (2.2 in)
1985	104.9 mm (4.1 in)
1986	123.9 mm (4.9 in)
1987	79.0 mm (3.1 in)
1988	121.9 mm (4.8 in)
1989	91.9 mm (3.6 in)
1990	109.3 mm (4.3 in)
1991	108.5 mm (4.3 in)
1992	70.1 mm (2.8 in)
1993	84.8 mm (3.3 in)
1994	87.6 mm (3.4 in)
1995	54.7 mm (2.2 in)
1996	76.3 mm (3.0 in)
1997	93.5 mm (3.7 in)
1998	89.4 mm (3.5 in)
1999	76.0 mm (3.0 in)
2000	52.5 mm (2.1 in)
2001	70.3 mm (2.8 in)
2002	76.4 mm (3.0 in)
2003	109.7 mm (4.3 in)
2004	111.2 mm (4.4 in)
2005	131.3 mm (5.2 in)
2006	62.9 mm (2.5 in)
2007	119.8 mm (4.7 in)
2008	78.4 mm (3.1 in)
2009	191.8 mm (7.6 in)
2010	158.8 mm (6.3 in)
2011	71.2 mm (2.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at Mt Pleasant, 1981 to 2011. The record is 30 days in 1995, marked on the chart; the median year is 13 days.

Longest dry spell (CDD) at Mt Pleasant by year
Year	Longest dry spell (CDD)
1981	13 days
1982	14 days
1983	15 days
1984	11 days
1985	19 days
1986	21 days
1987	15 days
1988	27 days
1989	11 days
1990	12 days
1991	13 days
1992	10 days
1993	11 days
1994	16 days
1995	30 days
1996	10 days
1997	12 days
1998	12 days
1999	16 days
2000	12 days
2001	16 days
2002	12 days
2003	9 days
2004	12 days
2005	17 days
2006	17 days
2007	14 days
2008	12 days
2009	13 days
2010	12 days
2011	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 Mt Pleasant standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Mt Pleasant 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).