Coudersport 1 NNE Weather Records (USC00361804)

Record envelope, standing records and threshold days for Coudersport 1 NNE (USC00361804), Pennsylvania, United States, with 52 years of record.

Key Facts for Coudersport 1 NNE

Coudersport 1 NNE (USC00361804) is a weather station in Pennsylvania, United States at 41.78 latitude and -78.02 longitude, 515 m (1,690 ft) above sea level.
The station reports from 1903 to 1954, 52 years of record.
1,464 records set at Coudersport 1 NNE 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, 41.78 latitude, -78.02 longitude.
Elevation: 515 m (1,690 ft).
Period of record: 1903 to 1954, 52 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 Coudersport 1 NNE. 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 Coudersport 1 NNE, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	21.7 C (71.1 F)	-36.1 C (-33.0 F)	n/a	n/a
Feb	19.4 C (66.9 F)	-34.4 C (-29.9 F)	n/a	n/a
Mar	29.4 C (84.9 F)	-27.8 C (-18.0 F)	n/a	n/a
Apr	32.2 C (90.0 F)	-12.8 C (9.0 F)	n/a	n/a
May	32.8 C (91.0 F)	-7.8 C (18.0 F)	n/a	n/a
Jun	35.6 C (96.1 F)	-2.2 C (28.0 F)	n/a	n/a
Jul	36.7 C (98.1 F)	-1.7 C (28.9 F)	n/a	n/a
Aug	35.6 C (96.1 F)	-1.1 C (30.0 F)	n/a	n/a
Sep	36.7 C (98.1 F)	-6.7 C (19.9 F)	n/a	n/a
Oct	30.6 C (87.1 F)	-13.9 C (7.0 F)	n/a	n/a
Nov	25.0 C (77.0 F)	-23.9 C (-11.0 F)	n/a	n/a
Dec	18.3 C (64.9 F)	-31.1 C (-24.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Coudersport 1 NNE still stand. 1930 holds the most, with 87.

Standing records at Coudersport 1 NNE by the year they were set
Year set	Standing records
1903	68
1904	74
1905	46
1928	9
1929	76
1930	87
1931	64
1932	62
1933	62
1934	20
1937	57
1938	68
1939	60
1940	75
1941	69
1942	72
1943	62
1944	29
1945	68
1946	61
1947	54
1948	37
1949	47
1950	25
1951	15
1952	34
1953	32
1954	31

Wettest Day of Each Month

Jul: 208.8 mm (8.2 in)

The wettest day on record for each calendar month at Coudersport 1 NNE. The most was 208.8 mm (8.2 in) on 18 July 1942.

Record daily precipitation for each month at Coudersport 1 NNE
Month	Record daily precipitation (mm)	Date
Jan	31.0 mm (1.2 in)	1 January 1932
Feb	42.4 mm (1.7 in)	14 February 1928
Mar	55.9 mm (2.2 in)	24 March 1953
Apr	40.6 mm (1.6 in)	5 April 1947
May	45.7 mm (1.8 in)	28 May 1946
Jun	87.9 mm (3.5 in)	8 June 1948
Jul	208.8 mm (8.2 in)	18 July 1942
Aug	54.4 mm (2.1 in)	10 August 1953
Sep	67.1 mm (2.6 in)	15 September 1945
Oct	82.8 mm (3.3 in)	2 October 1929
Nov	42.9 mm (1.7 in)	7 November 1953
Dec	36.1 mm (1.4 in)	11 December 1952

Period of Record Coverage

1903 to 1954

28 years of record at Coudersport 1 NNE, 1903 to 1954. 12 years have data for under 90 percent of days and are left out of rankings: 1903, 1905, 1928, 1933, 1934, 1944, 1948, 1949 and others.

Days with data per year at Coudersport 1 NNE
Year	Days with data	Share of year	Complete
1903	285	78%	No
1904	364	99%	Yes
1905	273	75%	No
1928	26	7%	No
1929	365	100%	Yes
1930	363	99%	Yes
1931	363	99%	Yes
1932	357	98%	Yes
1933	315	86%	No
1934	59	16%	No
1937	329	90%	Yes
1938	364	100%	Yes
1939	363	99%	Yes
1940	365	100%	Yes
1941	365	100%	Yes
1942	364	100%	Yes
1943	365	100%	Yes
1944	273	75%	No
1945	363	99%	Yes
1946	358	98%	Yes
1947	360	99%	Yes
1948	323	88%	No
1949	325	89%	No
1950	120	33%	No
1951	169	46%	No
1952	321	88%	No
1953	363	99%	Yes
1954	198	54%	No

Latest Records

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

Climate Trend

15 complete years, 1904 to 1953

One stripe for each of 15 complete years at Coudersport 1 NNE, 1904 to 1953. Blue stripes are years cooler than the station's own mean of 8.1 C (46.5 F); red stripes are warmer. The coolest year was 1904, at 6.0 C (42.9 F), and the warmest was 1931, at 9.3 C (48.7 F). The strongest colour marks a difference of 2.1 C (3.8 F).

Annual mean temperature at Coudersport 1 NNE as warming stripes, 1904 to 1953
Year	Annual mean temperature	Difference from the station mean
1904	6.0 C	-2.02 C
1929	8.3 C	+0.25 C
1930	8.7 C	+0.61 C
1931	9.3 C	+1.23 C
1932	8.4 C	+0.32 C
1938	8.4 C	+0.38 C
1939	8.7 C	+0.65 C
1940	6.3 C	-1.72 C
1941	8.5 C	+0.43 C
1942	7.9 C	-0.20 C
1943	7.6 C	-0.43 C
1945	7.7 C	-0.37 C
1946	8.5 C	+0.41 C
1947	7.9 C	-0.19 C
1953	8.7 C	+0.67 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

1903 to 1954

Yearly extremes at Coudersport 1 NNE: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.7 C (98.1 F)	1941	34.4 C (93.9 F)	28
Coldest night (TNn)	-36.1 C (-33.0 F)	1904	-25.6 C (-14.1 F)	28
Wettest day (Rx1day)	208.8 mm (8.2 in)	1942	48.3 mm (1.9 in)	32
Wettest five days (Rx5day)	215.4 mm (8.5 in)	1942	73.4 mm (2.9 in)	32
Longest dry spell (CDD)	31 days	1904	15 days	32

Hottest day (TXx)

The hottest day of the year at Coudersport 1 NNE, 1903 to 1954. The record is 36.7 C (98.1 F) in 1941, marked on the chart; the median year is 34.4 C (93.9 F).

Hottest day (TXx) at Coudersport 1 NNE by year
Year	Hottest day (TXx)
1903	36.1 C (97.0 F)
1904	31.1 C (88.0 F)
1905	32.2 C (90.0 F)
1924	n/a
1925	n/a
1926	n/a
1927	n/a
1928	11.7 C (53.1 F)
1929	32.2 C (90.0 F)
1930	35.6 C (96.1 F)
1931	36.1 C (97.0 F)
1932	34.4 C (93.9 F)
1933	34.4 C (93.9 F)
1934	11.1 C (52.0 F)
1937	33.9 C (93.0 F)
1938	33.3 C (91.9 F)
1939	34.4 C (93.9 F)
1940	35.0 C (95.0 F)
1941	36.7 C (98.1 F)
1942	33.3 C (91.9 F)
1943	35.6 C (96.1 F)
1944	35.0 C (95.0 F)
1945	32.2 C (90.0 F)
1946	32.2 C (90.0 F)
1947	32.8 C (91.0 F)
1948	35.6 C (96.1 F)
1949	35.0 C (95.0 F)
1950	32.8 C (91.0 F)
1951	33.9 C (93.0 F)
1952	35.6 C (96.1 F)
1953	36.7 C (98.1 F)
1954	35.6 C (96.1 F)

Coldest night (TNn)

The coldest night of the year at Coudersport 1 NNE, 1903 to 1954. The record is -36.1 C (-33.0 F) in 1904, marked on the chart; the median year is -25.6 C (-14.1 F).

Coldest night (TNn) at Coudersport 1 NNE by year
Year	Coldest night (TNn)
1903	-17.2 C (1.0 F)
1904	-36.1 C (-33.0 F)
1905	-26.7 C (-16.1 F)
1924	n/a
1925	n/a
1926	n/a
1927	n/a
1928	-17.2 C (1.0 F)
1929	-25.6 C (-14.1 F)
1930	-26.7 C (-16.1 F)
1931	-22.8 C (-9.0 F)
1932	-23.3 C (-9.9 F)
1933	-26.7 C (-16.1 F)
1934	-34.4 C (-29.9 F)
1937	-22.2 C (-8.0 F)
1938	-25.6 C (-14.1 F)
1939	-21.1 C (-6.0 F)
1940	-28.3 C (-18.9 F)
1941	-24.4 C (-11.9 F)
1942	-32.2 C (-26.0 F)
1943	-28.9 C (-20.0 F)
1944	-31.1 C (-24.0 F)
1945	-31.7 C (-25.1 F)
1946	-26.1 C (-15.0 F)
1947	-21.1 C (-6.0 F)
1948	-32.8 C (-27.0 F)
1949	-22.2 C (-8.0 F)
1950	-27.8 C (-18.0 F)
1951	-6.7 C (19.9 F)
1952	-24.4 C (-11.9 F)
1953	-17.8 C (0.0 F)
1954	-20.0 C (-4.0 F)

Wettest day (Rx1day)

The wettest day of the year at Coudersport 1 NNE, 1903 to 1954. The record is 208.8 mm (8.2 in) in 1942, marked on the chart; the median year is 48.3 mm (1.9 in).

Wettest day (Rx1day) at Coudersport 1 NNE by year
Year	Wettest day (Rx1day)
1903	39.9 mm (1.6 in)
1904	48.3 mm (1.9 in)
1905	48.8 mm (1.9 in)
1924	5.8 mm (0.23 in)
1925	38.1 mm (1.5 in)
1926	33.8 mm (1.3 in)
1927	48.3 mm (1.9 in)
1928	42.4 mm (1.7 in)
1929	82.8 mm (3.3 in)
1930	30.2 mm (1.2 in)
1931	49.0 mm (1.9 in)
1932	38.4 mm (1.5 in)
1933	45.0 mm (1.8 in)
1934	11.2 mm (0.4 in)
1937	48.3 mm (1.9 in)
1938	50.3 mm (2.0 in)
1939	41.1 mm (1.6 in)
1940	61.7 mm (2.4 in)
1941	38.6 mm (1.5 in)
1942	208.8 mm (8.2 in)
1943	50.3 mm (2.0 in)
1944	66.5 mm (2.6 in)
1945	67.1 mm (2.6 in)
1946	54.4 mm (2.1 in)
1947	60.5 mm (2.4 in)
1948	87.9 mm (3.5 in)
1949	48.5 mm (1.9 in)
1950	25.4 mm (1.0 in)
1951	27.9 mm (1.1 in)
1952	48.3 mm (1.9 in)
1953	55.9 mm (2.2 in)
1954	58.4 mm (2.3 in)

Wettest five days (Rx5day)

The wettest five days of the year at Coudersport 1 NNE, 1903 to 1954. The record is 215.4 mm (8.5 in) in 1942, marked on the chart; the median year is 73.4 mm (2.9 in).

Wettest five days (Rx5day) at Coudersport 1 NNE by year
Year	Wettest five days (Rx5day)
1903	58.1 mm (2.3 in)
1904	71.1 mm (2.8 in)
1905	80.3 mm (3.2 in)
1924	10.9 mm (0.4 in)
1925	62.8 mm (2.5 in)
1926	63.5 mm (2.5 in)
1927	72.9 mm (2.9 in)
1928	79.2 mm (3.1 in)
1929	96.2 mm (3.8 in)
1930	50.5 mm (2.0 in)
1931	82.8 mm (3.3 in)
1932	73.1 mm (2.9 in)
1933	60.4 mm (2.4 in)
1934	18.6 mm (0.7 in)
1937	73.6 mm (2.9 in)
1938	95.3 mm (3.8 in)
1939	86.6 mm (3.4 in)
1940	64.3 mm (2.5 in)
1941	72.4 mm (2.9 in)
1942	215.4 mm (8.5 in)
1943	81.3 mm (3.2 in)
1944	82.2 mm (3.2 in)
1945	85.4 mm (3.4 in)
1946	110.5 mm (4.4 in)
1947	88.7 mm (3.5 in)
1948	137.9 mm (5.4 in)
1949	72.8 mm (2.9 in)
1950	36.3 mm (1.4 in)
1951	68.4 mm (2.7 in)
1952	69.4 mm (2.7 in)
1953	78.2 mm (3.1 in)
1954	95.0 mm (3.7 in)

Longest dry spell (CDD)

The longest dry spell of the year at Coudersport 1 NNE, 1903 to 1954. The record is 31 days in 1904, marked on the chart; the median year is 15 days.

Longest dry spell (CDD) at Coudersport 1 NNE by year
Year	Longest dry spell (CDD)
1903	18 days
1904	31 days
1905	10 days
1924	7 days
1925	15 days
1926	15 days
1927	14 days
1928	13 days
1929	14 days
1930	16 days
1931	15 days
1932	14 days
1933	9 days
1934	14 days
1937	15 days
1938	12 days
1939	20 days
1940	11 days
1941	20 days
1942	17 days
1943	13 days
1944	15 days
1945	10 days
1946	15 days
1947	20 days
1948	21 days
1949	16 days
1950	14 days
1951	18 days
1952	14 days
1953	22 days
1954	19 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 Coudersport 1 NNE standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Coudersport 1 NNE 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 2026-10-17 (17 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).