Coffman Cove Weather Records (USC00502084)

Record envelope, standing records and threshold days for Coffman Cove (USC00502084), Alaska, United States, with 49 years of record.

Key Facts for Coffman Cove

Coffman Cove (USC00502084) is a weather station in Alaska, United States at 56.00 latitude and -132.83 longitude, 3 m (10 ft) above sea level.
The station reports from 1970 to 2018, 49 years of record.
1,464 records set at Coffman Cove still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Alaska, United States, 56.00 latitude, -132.83 longitude.
Elevation: 3 m (10 ft).
Period of record: 1970 to 2018, 49 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 Coffman Cove. 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 Coffman Cove, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	13.9 C (57.0 F)	-18.9 C (-2.0 F)	n/a	n/a
Feb	10.6 C (51.1 F)	-18.9 C (-2.0 F)	n/a	n/a
Mar	12.8 C (55.0 F)	-13.3 C (8.1 F)	n/a	n/a
Apr	20.6 C (69.1 F)	-4.4 C (24.1 F)	n/a	n/a
May	23.9 C (75.0 F)	-3.3 C (26.1 F)	n/a	n/a
Jun	26.1 C (79.0 F)	-1.1 C (30.0 F)	n/a	n/a
Jul	30.0 C (86.0 F)	0.0 C (32.0 F)	n/a	n/a
Aug	27.8 C (82.0 F)	0.0 C (32.0 F)	n/a	n/a
Sep	25.0 C (77.0 F)	-2.2 C (28.0 F)	n/a	n/a
Oct	16.7 C (62.1 F)	-7.8 C (18.0 F)	n/a	n/a
Nov	16.1 C (61.0 F)	-12.8 C (9.0 F)	n/a	n/a
Dec	8.9 C (48.0 F)	-17.8 C (0.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Coffman Cove still stand. 1974 holds the most, with 151.

Wettest Day of Each Month

Jan: 81.3 mm (3.2 in)

The wettest day on record for each calendar month at Coffman Cove. The most was 81.3 mm (3.2 in) on 29 January 1976.

Record daily precipitation for each month at Coffman Cove
Month	Record daily precipitation (mm)	Date
Jan	81.3 mm (3.2 in)	29 January 1976
Feb	45.7 mm (1.8 in)	8 February 1974
Mar	78.7 mm (3.1 in)	12 March 2014
Apr	34.3 mm (1.4 in)	3 April 2012
May	32.8 mm (1.3 in)	6 May 2016
Jun	30.7 mm (1.2 in)	16 June 2012
Jul	27.9 mm (1.1 in)	19 July 2012
Aug	68.6 mm (2.7 in)	29 August 2015
Sep	61.0 mm (2.4 in)	29 September 1972
Oct	80.0 mm (3.1 in)	12 October 2015
Nov	67.3 mm (2.6 in)	21 November 2013
Dec	50.8 mm (2.0 in)	11 December 2013

Period of Record Coverage

1970 to 2018

15 years of record at Coffman Cove, 1970 to 2018. 8 years have data for under 90 percent of days and are left out of rankings: 1970, 1971, 1972, 1976, 2014, 2016, 2017, 2018.

Days with data per year at Coffman Cove
Year	Days with data	Share of year	Complete
1970	87	24%	No
1971	208	57%	No
1972	292	80%	No
1973	362	99%	Yes
1974	362	99%	Yes
1975	357	98%	Yes
1976	278	76%	No
2011	346	95%	Yes
2012	344	94%	Yes
2013	330	90%	Yes
2014	302	83%	No
2015	330	90%	Yes
2016	326	89%	No
2017	47	13%	No
2018	90	25%	No

Latest Records

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

Extremes by Year

1970 to 2018

Yearly extremes at Coffman Cove: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	30.0 C (86.0 F)	1975	26.1 C (79.0 F)	15
Coldest night (TNn)	-18.9 C (-2.0 F)	1974	-12.2 C (10.0 F)	15
Wettest day (Rx1day)	81.3 mm (3.2 in)	1976	50.8 mm (2.0 in)	15
Wettest five days (Rx5day)	178.1 mm (7.0 in)	1976	115.2 mm (4.5 in)	15
Longest dry spell (CDD)	17 days	2015	10 days	15

Hottest day (TXx)

The hottest day of the year at Coffman Cove, 1970 to 2018. The record is 30.0 C (86.0 F) in 1975, marked on the chart; the median year is 26.1 C (79.0 F).

Hottest day (TXx) at Coffman Cove by year
Year	Hottest day (TXx)
1970	16.7 C (62.1 F)
1971	28.3 C (82.9 F)
1972	28.3 C (82.9 F)
1973	22.8 C (73.0 F)
1974	27.8 C (82.0 F)
1975	30.0 C (86.0 F)
1976	28.3 C (82.9 F)
2011	26.1 C (79.0 F)
2012	26.1 C (79.0 F)
2013	27.8 C (82.0 F)
2014	25.0 C (77.0 F)
2015	26.7 C (80.1 F)
2016	25.6 C (78.1 F)
2017	8.3 C (46.9 F)
2018	13.9 C (57.0 F)

Coldest night (TNn)

The coldest night of the year at Coffman Cove, 1970 to 2018. The record is -18.9 C (-2.0 F) in 1974, marked on the chart; the median year is -12.2 C (10.0 F).

Coldest night (TNn) at Coffman Cove by year
Year	Coldest night (TNn)
1970	-17.8 C (0.0 F)
1971	-9.4 C (15.1 F)
1972	-18.3 C (-0.9 F)
1973	-15.6 C (3.9 F)
1974	-18.9 C (-2.0 F)
1975	-18.9 C (-2.0 F)
1976	-13.3 C (8.1 F)
2011	-12.2 C (10.0 F)
2012	-16.1 C (3.0 F)
2013	-9.4 C (15.1 F)
2014	-12.2 C (10.0 F)
2015	-7.2 C (19.0 F)
2016	-11.1 C (12.0 F)
2017	-11.7 C (10.9 F)
2018	-9.4 C (15.1 F)

Wettest day (Rx1day)

The wettest day of the year at Coffman Cove, 1970 to 2018. The record is 81.3 mm (3.2 in) in 1976, marked on the chart; the median year is 50.8 mm (2.0 in).

Wettest day (Rx1day) at Coffman Cove by year
Year	Wettest day (Rx1day)
1970	38.1 mm (1.5 in)
1971	48.3 mm (1.9 in)
1972	61.0 mm (2.4 in)
1973	69.9 mm (2.8 in)
1974	59.7 mm (2.4 in)
1975	41.9 mm (1.6 in)
1976	81.3 mm (3.2 in)
2011	45.7 mm (1.8 in)
2012	50.8 mm (2.0 in)
2013	67.3 mm (2.6 in)
2014	78.7 mm (3.1 in)
2015	80.0 mm (3.1 in)
2016	47.0 mm (1.9 in)
2017	22.6 mm (0.9 in)
2018	30.2 mm (1.2 in)

Wettest five days (Rx5day)

The wettest five days of the year at Coffman Cove, 1970 to 2018. The record is 178.1 mm (7.0 in) in 1976, marked on the chart; the median year is 115.2 mm (4.5 in).

Wettest five days (Rx5day) at Coffman Cove by year
Year	Wettest five days (Rx5day)
1970	111.0 mm (4.4 in)
1971	83.8 mm (3.3 in)
1972	115.2 mm (4.5 in)
1973	136.2 mm (5.4 in)
1974	128.2 mm (5.0 in)
1975	110.0 mm (4.3 in)
1976	178.1 mm (7.0 in)
2011	117.6 mm (4.6 in)
2012	110.3 mm (4.3 in)
2013	82.8 mm (3.3 in)
2014	132.0 mm (5.2 in)
2015	169.2 mm (6.7 in)
2016	132.9 mm (5.2 in)
2017	60.7 mm (2.4 in)
2018	83.9 mm (3.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Coffman Cove, 1970 to 2018. The record is 17 days in 2015, marked on the chart; the median year is 10 days.

Longest dry spell (CDD) at Coffman Cove by year
Year	Longest dry spell (CDD)
1970	6 days
1971	15 days
1972	11 days
1973	10 days
1974	15 days
1975	13 days
1976	9 days
2011	7 days
2012	10 days
2013	8 days
2014	15 days
2015	17 days
2016	13 days
2017	10 days
2018	9 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 Coffman Cove standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Coffman Cove 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 2026-10-15 (15 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).