Record envelope, standing records and threshold days for Big River Lakes (USC00500788), Alaska, United States, with 33 years of record.
Key Facts for Big River Lakes
Big River Lakes (USC00500788) is a weather station in Alaska, United States at 60.81 latitude and -152.30 longitude, 18 m (60 ft) above sea level.
The station reports from 1978 to 2010, 33 years of record.
1,464 records set at Big River Lakes still stand.
Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
Big River Lakes set a daily record low minimum temperature of -17.2 C (1.0 F) on 16 November 2010.
About the Station
Location: Alaska, United States, 60.81 latitude, -152.30 longitude.
Elevation: 18 m (60 ft).
Period of record: 1978 to 2010, 33 years.
Eligible elements: tmax, tmin, prcp, snow, snwd.
Daily Record Envelope and 2026
0 days at or beyond a record
Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Big River Lakes. 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 Big River Lakes, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
9.4 C (48.9 F)
-38.9 C (-38.0 F)
n/a
n/a
Feb
11.1 C (52.0 F)
-31.7 C (-25.1 F)
n/a
n/a
Mar
15.6 C (60.1 F)
-27.8 C (-18.0 F)
n/a
n/a
Apr
18.9 C (66.0 F)
-18.3 C (-0.9 F)
n/a
n/a
May
27.2 C (81.0 F)
-10.6 C (12.9 F)
n/a
n/a
Jun
30.6 C (87.1 F)
-5.0 C (23.0 F)
n/a
n/a
Jul
31.7 C (89.1 F)
-4.4 C (24.1 F)
n/a
n/a
Aug
30.6 C (87.1 F)
-2.2 C (28.0 F)
n/a
n/a
Sep
23.3 C (73.9 F)
-6.1 C (21.0 F)
n/a
n/a
Oct
17.8 C (64.0 F)
-13.9 C (7.0 F)
n/a
n/a
Nov
12.8 C (55.0 F)
-24.4 C (-11.9 F)
n/a
n/a
Dec
9.4 C (48.9 F)
-26.1 C (-15.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Big River Lakes still stand. 2010 holds the most, with 101.
Standing records at Big River Lakes by the year they were set
Year set
Standing records
1978
24
1979
39
1980
61
1981
68
1982
52
1983
36
1984
24
1985
74
1986
50
1987
29
1988
21
1989
52
1990
31
1991
20
1992
50
1993
52
1994
48
1995
40
1996
43
1997
35
1998
33
1999
56
2000
24
2001
46
2002
82
2003
72
2004
42
2005
24
2006
21
2007
30
2008
30
2009
54
2010
101
All-Time Record Progression
1 new records
1 all-time records were set at Big River Lakes between 8 July 2009 and 8 July 2009. Each dot is a new record.
When Big River Lakes set new all-time records
Date
Kind
Detail
2009-07-08
Record high maximum temperature
Record high maximum temperature 31.7 C (89.1 F)
Wettest Day of Each Month
Jan: 128.5 mm (5.1 in)
The wettest day on record for each calendar month at Big River Lakes. The most was 128.5 mm (5.1 in) on 12 January 1984.
Record daily precipitation for each month at Big River Lakes
Month
Record daily precipitation (mm)
Date
Jan
128.5 mm (5.1 in)
12 January 1984
Feb
55.9 mm (2.2 in)
4 February 2003
Mar
58.9 mm (2.3 in)
17 March 1981
Apr
49.3 mm (1.9 in)
22 April 2005
May
68.6 mm (2.7 in)
4 May 1981
Jun
48.3 mm (1.9 in)
7 June 1998
Jul
64.8 mm (2.6 in)
31 July 1991
Aug
79.0 mm (3.1 in)
4 August 2010
Sep
104.9 mm (4.1 in)
27 September 1985
Oct
95.0 mm (3.7 in)
2 October 1994
Nov
83.3 mm (3.3 in)
23 November 2002
Dec
101.9 mm (4.0 in)
11 December 1985
Period of Record Coverage
1978 to 2010
Complete yearUnder 90 percent of days
33 years of record at Big River Lakes, 1978 to 2010. 9 years have data for under 90 percent of days and are left out of rankings: 1994, 1995, 1996, 1997, 1998, 2001, 2005, 2008 and others.
Cooler than the station meanWarmer than the station mean
One stripe for each of 23 complete years at Big River Lakes, 1978 to 2009. Blue stripes are years cooler than the station's own mean of 3.5 C (38.3 F); red stripes are warmer. The coolest year was 1999, at 1.8 C (35.3 F), and the warmest was 2002, at 5.6 C (42.1 F). The strongest colour marks a difference of 2.2 C (4.0 F).
Annual mean temperature at Big River Lakes as warming stripes, 1978 to 2009
Year
Annual mean temperature
Difference from the station mean
1978
3.6 C
+0.14 C
1979
3.0 C
-0.50 C
1980
2.7 C
-0.80 C
1981
4.6 C
+1.17 C
1982
2.2 C
-1.31 C
1983
3.9 C
+0.38 C
1984
3.6 C
+0.08 C
1985
2.7 C
-0.81 C
1987
3.7 C
+0.20 C
1988
3.6 C
+0.14 C
1990
2.1 C
-1.36 C
1991
3.0 C
-0.50 C
1992
2.5 C
-1.01 C
1993
4.6 C
+1.09 C
1994
2.3 C
-1.21 C
1999
1.8 C
-1.63 C
2000
4.4 C
+0.95 C
2002
5.6 C
+2.14 C
2003
5.1 C
+1.60 C
2004
4.6 C
+1.15 C
2006
3.2 C
-0.27 C
2007
3.7 C
+0.26 C
2009
3.7 C
+0.20 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
1978 to 2010
Yearly extremes at Big River Lakes: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
31.7 C (89.1 F)
2009
26.7 C (80.1 F)
33
Coldest night (TNn)
-38.9 C (-38.0 F)
1989
-25.6 C (-14.1 F)
33
Wettest day (Rx1day)
128.5 mm (5.1 in)
1984
68.8 mm (2.7 in)
33
Wettest five days (Rx5day)
252.4 mm (9.9 in)
2003
139.7 mm (5.5 in)
33
Longest dry spell (CDD)
36 days
1983
21 days
33
Hottest day (TXx)
The hottest day of the year at Big River Lakes, 1978 to 2010. The record is 31.7 C (89.1 F) in 2009, marked on the chart; the median year is 26.7 C (80.1 F).
Hottest day (TXx) at Big River Lakes by year
Year
Hottest day (TXx)
1978
25.0 C (77.0 F)
1979
26.1 C (79.0 F)
1980
26.1 C (79.0 F)
1981
26.1 C (79.0 F)
1982
25.6 C (78.1 F)
1983
26.1 C (79.0 F)
1984
25.6 C (78.1 F)
1985
24.4 C (75.9 F)
1986
28.3 C (82.9 F)
1987
28.3 C (82.9 F)
1988
23.3 C (73.9 F)
1989
28.9 C (84.0 F)
1990
26.1 C (79.0 F)
1991
24.4 C (75.9 F)
1992
26.7 C (80.1 F)
1993
28.3 C (82.9 F)
1994
26.7 C (80.1 F)
1995
27.8 C (82.0 F)
1996
27.8 C (82.0 F)
1997
28.9 C (84.0 F)
1998
26.7 C (80.1 F)
1999
27.8 C (82.0 F)
2000
26.1 C (79.0 F)
2001
27.8 C (82.0 F)
2002
29.4 C (84.9 F)
2003
30.0 C (86.0 F)
2004
30.6 C (87.1 F)
2005
28.3 C (82.9 F)
2006
27.2 C (81.0 F)
2007
29.4 C (84.9 F)
2008
23.9 C (75.0 F)
2009
31.7 C (89.1 F)
2010
25.6 C (78.1 F)
Coldest night (TNn)
The coldest night of the year at Big River Lakes, 1978 to 2010. The record is -38.9 C (-38.0 F) in 1989, marked on the chart; the median year is -25.6 C (-14.1 F).
Coldest night (TNn) at Big River Lakes by year
Year
Coldest night (TNn)
1978
-26.7 C (-16.1 F)
1979
-27.8 C (-18.0 F)
1980
-26.1 C (-15.0 F)
1981
-23.3 C (-9.9 F)
1982
-23.9 C (-11.0 F)
1983
-26.1 C (-15.0 F)
1984
-23.9 C (-11.0 F)
1985
-21.7 C (-7.1 F)
1986
-21.1 C (-6.0 F)
1987
-22.2 C (-8.0 F)
1988
-23.3 C (-9.9 F)
1989
-38.9 C (-38.0 F)
1990
-27.2 C (-17.0 F)
1991
-27.2 C (-17.0 F)
1992
-27.2 C (-17.0 F)
1993
-27.2 C (-17.0 F)
1994
-25.6 C (-14.1 F)
1995
-27.8 C (-18.0 F)
1996
-23.9 C (-11.0 F)
1997
-34.4 C (-29.9 F)
1998
-22.2 C (-8.0 F)
1999
-31.7 C (-25.1 F)
2000
-23.3 C (-9.9 F)
2001
-24.4 C (-11.9 F)
2002
-22.8 C (-9.0 F)
2003
-26.1 C (-15.0 F)
2004
-32.2 C (-26.0 F)
2005
-25.0 C (-13.0 F)
2006
-25.0 C (-13.0 F)
2007
-23.9 C (-11.0 F)
2008
-26.1 C (-15.0 F)
2009
-26.7 C (-16.1 F)
2010
-17.2 C (1.0 F)
Wettest day (Rx1day)
The wettest day of the year at Big River Lakes, 1978 to 2010. The record is 128.5 mm (5.1 in) in 1984, marked on the chart; the median year is 68.8 mm (2.7 in).
Wettest day (Rx1day) at Big River Lakes by year
Year
Wettest day (Rx1day)
1978
49.8 mm (2.0 in)
1979
63.0 mm (2.5 in)
1980
91.4 mm (3.6 in)
1981
68.6 mm (2.7 in)
1982
97.3 mm (3.8 in)
1983
66.0 mm (2.6 in)
1984
128.5 mm (5.1 in)
1985
104.9 mm (4.1 in)
1986
92.5 mm (3.6 in)
1987
71.1 mm (2.8 in)
1988
42.2 mm (1.7 in)
1989
68.8 mm (2.7 in)
1990
42.7 mm (1.7 in)
1991
64.8 mm (2.6 in)
1992
74.7 mm (2.9 in)
1993
72.1 mm (2.8 in)
1994
95.0 mm (3.7 in)
1995
31.5 mm (1.2 in)
1996
45.7 mm (1.8 in)
1997
36.6 mm (1.4 in)
1998
72.4 mm (2.9 in)
1999
49.5 mm (1.9 in)
2000
72.6 mm (2.9 in)
2001
49.3 mm (1.9 in)
2002
85.9 mm (3.4 in)
2003
69.6 mm (2.7 in)
2004
58.4 mm (2.3 in)
2005
69.9 mm (2.8 in)
2006
68.6 mm (2.7 in)
2007
52.1 mm (2.1 in)
2008
43.2 mm (1.7 in)
2009
73.7 mm (2.9 in)
2010
79.0 mm (3.1 in)
Wettest five days (Rx5day)
The wettest five days of the year at Big River Lakes, 1978 to 2010. The record is 252.4 mm (9.9 in) in 2003, marked on the chart; the median year is 139.7 mm (5.5 in).
Wettest five days (Rx5day) at Big River Lakes by year
Year
Wettest five days (Rx5day)
1978
100.5 mm (4.0 in)
1979
139.7 mm (5.5 in)
1980
170.3 mm (6.7 in)
1981
127.2 mm (5.0 in)
1982
187.8 mm (7.4 in)
1983
175.1 mm (6.9 in)
1984
178.3 mm (7.0 in)
1985
197.6 mm (7.8 in)
1986
245.2 mm (9.7 in)
1987
167.0 mm (6.6 in)
1988
80.3 mm (3.2 in)
1989
133.1 mm (5.2 in)
1990
98.9 mm (3.9 in)
1991
114.4 mm (4.5 in)
1992
194.6 mm (7.7 in)
1993
150.3 mm (5.9 in)
1994
182.1 mm (7.2 in)
1995
61.4 mm (2.4 in)
1996
72.7 mm (2.9 in)
1997
106.8 mm (4.2 in)
1998
144.2 mm (5.7 in)
1999
108.7 mm (4.3 in)
2000
128.5 mm (5.1 in)
2001
147.4 mm (5.8 in)
2002
193.8 mm (7.6 in)
2003
252.4 mm (9.9 in)
2004
121.1 mm (4.8 in)
2005
109.3 mm (4.3 in)
2006
186.9 mm (7.4 in)
2007
117.5 mm (4.6 in)
2008
76.7 mm (3.0 in)
2009
226.6 mm (8.9 in)
2010
129.7 mm (5.1 in)
Longest dry spell (CDD)
The longest dry spell of the year at Big River Lakes, 1978 to 2010. The record is 36 days in 1983, marked on the chart; the median year is 21 days.
Longest dry spell (CDD) at Big River Lakes by year
Year
Longest dry spell (CDD)
1978
19 days
1979
33 days
1980
34 days
1981
31 days
1982
30 days
1983
36 days
1984
21 days
1985
23 days
1986
29 days
1987
20 days
1988
15 days
1989
27 days
1990
21 days
1991
14 days
1992
18 days
1993
19 days
1994
20 days
1995
13 days
1996
21 days
1997
20 days
1998
25 days
1999
35 days
2000
17 days
2001
15 days
2002
25 days
2003
22 days
2004
19 days
2005
12 days
2006
16 days
2007
20 days
2008
20 days
2009
30 days
2010
21 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.
Frost Dates and Growing Season
23 years with a frost
Across 23 years with a frost, the median last spring frost at Big River Lakes falls on 9 May and the median first autumn frost on 3 October, which leaves a median of 146 days between them.
Frost dates and growing season at Big River Lakes
Measure
Median, all years
Earliest period
Recent period (1978 to 2009)
Recent against earliest
Fitted trend
Last spring frost
9 May
n/a
9 May
n/a
n/a
First autumn frost
3 October
n/a
3 October
n/a
n/a
Growing days
146 days
n/a
146 days
n/a
n/a
A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.
Download the Data
Data for Big River Lakes standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Big River Lakes 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.