Graphite Lake Alaska Weather Records (USR0000AGRA)

Record envelope, standing records and threshold days for Graphite Lake Alaska (USR0000AGRA), Alaska, United States, with 32 years of record.

Key Facts for Graphite Lake Alaska

Graphite Lake Alaska (USR0000AGRA) is a weather station in Alaska, United States at 67.03 latitude and -143.28 longitude, 259 m (850 ft) above sea level.
The station reports from 1991 to 2022, 32 years of record.
1,464 records set at Graphite Lake Alaska 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, 67.03 latitude, -143.28 longitude.
Elevation: 259 m (850 ft).
Period of record: 1991 to 2022, 32 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 Graphite Lake Alaska. 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 Graphite Lake Alaska, 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)	-46.7 C (-52.1 F)	n/a	n/a
Feb	6.7 C (44.1 F)	-44.4 C (-47.9 F)	n/a	n/a
Mar	10.6 C (51.1 F)	-36.1 C (-33.0 F)	n/a	n/a
Apr	18.3 C (64.9 F)	-23.9 C (-11.0 F)	n/a	n/a
May	28.3 C (82.9 F)	-16.1 C (3.0 F)	n/a	n/a
Jun	33.9 C (93.0 F)	-3.3 C (26.1 F)	n/a	n/a
Jul	32.8 C (91.0 F)	1.7 C (35.1 F)	n/a	n/a
Aug	41.1 C (106.0 F)	-3.9 C (25.0 F)	n/a	n/a
Sep	27.2 C (81.0 F)	-14.4 C (6.1 F)	n/a	n/a
Oct	13.9 C (57.0 F)	-31.7 C (-25.1 F)	n/a	n/a
Nov	4.4 C (39.9 F)	-39.4 C (-38.9 F)	n/a	n/a
Dec	3.3 C (37.9 F)	-41.7 C (-43.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Graphite Lake Alaska still stand. 2002 holds the most, with 101.

Standing records at Graphite Lake Alaska by the year they were set
Year set	Standing records
1991	31
1992	70
1993	36
1994	81
1995	80
1996	10
1997	26
1998	53
1999	78
2000	71
2001	59
2002	101
2003	29
2004	51
2005	73
2006	64
2007	67
2008	38
2009	13
2010	27
2011	34
2012	37
2015	34
2017	57
2018	43
2019	62
2020	58
2021	51
2022	30

Period of Record Coverage

1991 to 2022

29 years of record at Graphite Lake Alaska, 1991 to 2022. 17 years have data for under 90 percent of days and are left out of rankings: 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2003 and others.

Days with data per year at Graphite Lake Alaska
Year	Days with data	Share of year	Complete
1991	156	43%	No
1992	190	52%	No
1993	217	59%	No
1994	289	79%	No
1995	251	69%	No
1996	23	6%	No
1997	226	62%	No
1998	355	97%	Yes
1999	358	98%	Yes
2000	364	99%	Yes
2001	362	99%	Yes
2002	365	100%	Yes
2003	189	52%	No
2004	225	61%	No
2005	362	99%	Yes
2006	364	100%	Yes
2007	364	100%	Yes
2008	215	59%	No
2009	115	32%	No
2010	160	44%	No
2011	211	58%	No
2012	271	74%	No
2015	272	75%	No
2017	362	99%	Yes
2018	363	99%	Yes
2019	362	99%	Yes
2020	360	98%	Yes
2021	319	87%	No
2022	285	78%	No

Latest Records

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

Climate Trend

12 complete years, 1998 to 2020

One stripe for each of 12 complete years at Graphite Lake Alaska, 1998 to 2020. Blue stripes are years cooler than the station's own mean of -3.2 C (26.3 F); red stripes are warmer. The coolest year was 1999, at -4.8 C (23.3 F), and the warmest was 2019, at -1.9 C (28.6 F). The strongest colour marks a difference of 1.7 C (3.1 F).

Annual mean temperature at Graphite Lake Alaska as warming stripes, 1998 to 2020
Year	Annual mean temperature	Difference from the station mean
1998	-2.3 C	+0.85 C
1999	-4.8 C	-1.63 C
2000	-3.8 C	-0.63 C
2001	-3.5 C	-0.34 C
2002	-2.4 C	+0.80 C
2005	-3.3 C	-0.08 C
2006	-4.0 C	-0.83 C
2007	-3.2 C	-0.04 C
2017	-2.4 C	+0.79 C
2018	-2.7 C	+0.51 C
2019	-1.9 C	+1.31 C
2020	-3.9 C	-0.74 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 2022

Yearly extremes at Graphite Lake Alaska: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	41.1 C (106.0 F)	2009	30.6 C (87.1 F)	29
Coldest night (TNn)	-46.7 C (-52.1 F)	2006	-39.4 C (-38.9 F)	29

Hottest day (TXx)

The hottest day of the year at Graphite Lake Alaska, 1991 to 2022. The record is 41.1 C (106.0 F) in 2009, marked on the chart; the median year is 30.6 C (87.1 F).

Hottest day (TXx) at Graphite Lake Alaska by year
Year	Hottest day (TXx)
1991	31.7 C (89.1 F)
1992	33.9 C (93.0 F)
1993	32.8 C (91.0 F)
1994	32.8 C (91.0 F)
1995	28.3 C (82.9 F)
1996	22.8 C (73.0 F)
1997	28.9 C (84.0 F)
1998	31.7 C (89.1 F)
1999	32.8 C (91.0 F)
2000	30.0 C (86.0 F)
2001	29.4 C (84.9 F)
2002	29.4 C (84.9 F)
2003	30.6 C (87.1 F)
2004	31.7 C (89.1 F)
2005	31.7 C (89.1 F)
2006	26.7 C (80.1 F)
2007	31.1 C (88.0 F)
2008	28.9 C (84.0 F)
2009	41.1 C (106.0 F)
2010	30.0 C (86.0 F)
2011	28.3 C (82.9 F)
2012	30.6 C (87.1 F)
2015	29.4 C (84.9 F)
2017	31.1 C (88.0 F)
2018	32.8 C (91.0 F)
2019	31.7 C (89.1 F)
2020	28.3 C (82.9 F)
2021	30.6 C (87.1 F)
2022	31.1 C (88.0 F)

Coldest night (TNn)

The coldest night of the year at Graphite Lake Alaska, 1991 to 2022. The record is -46.7 C (-52.1 F) in 2006, marked on the chart; the median year is -39.4 C (-38.9 F).

Coldest night (TNn) at Graphite Lake Alaska by year
Year	Coldest night (TNn)
1991	-35.0 C (-31.0 F)
1992	-36.1 C (-33.0 F)
1993	-37.8 C (-36.0 F)
1994	-41.1 C (-42.0 F)
1995	-43.9 C (-47.0 F)
1996	-3.9 C (25.0 F)
1997	-34.4 C (-29.9 F)
1998	-40.0 C (-40.0 F)
1999	-44.4 C (-47.9 F)
2000	-46.1 C (-51.0 F)
2001	-36.7 C (-34.1 F)
2002	-37.2 C (-35.0 F)
2003	-39.4 C (-38.9 F)
2004	-33.3 C (-27.9 F)
2005	-42.8 C (-45.0 F)
2006	-46.7 C (-52.1 F)
2007	-38.3 C (-36.9 F)
2008	-43.9 C (-47.0 F)
2009	-5.6 C (21.9 F)
2010	-14.4 C (6.1 F)
2011	-39.4 C (-38.9 F)
2012	-43.3 C (-45.9 F)
2015	-41.7 C (-43.1 F)
2017	-39.4 C (-38.9 F)
2018	-32.8 C (-27.0 F)
2019	-41.7 C (-43.1 F)
2020	-41.7 C (-43.1 F)
2021	-41.1 C (-42.0 F)
2022	-40.6 C (-41.1 F)

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 Graphite Lake Alaska standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Graphite Lake Alaska 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).