Record envelope, standing records and threshold days for Grays Rvr Hatchery (USC00453333), Washington, United States, with 59 years of record.
Key Facts for Grays Rvr Hatchery
Grays Rvr Hatchery (USC00453333) is a weather station in Washington, United States at 46.39 latitude and -123.56 longitude, 31 m (100 ft) above sea level.
The station reports from 1962 to 2020, 59 years of record.
1,464 records set at Grays Rvr Hatchery still stand.
Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
Grays Rvr Hatchery set a daily record precipitation of 57.4 mm (2.3 in) on 31 December 2019.
About the Station
Location: Washington, United States, 46.39 latitude, -123.56 longitude.
Elevation: 31 m (100 ft).
Period of record: 1962 to 2020, 59 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 Grays Rvr Hatchery. 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 Grays Rvr Hatchery, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
21.1 C (70.0 F)
-15.6 C (3.9 F)
n/a
n/a
Feb
23.9 C (75.0 F)
-16.1 C (3.0 F)
n/a
n/a
Mar
27.2 C (81.0 F)
-7.2 C (19.0 F)
n/a
n/a
Apr
32.2 C (90.0 F)
-5.6 C (21.9 F)
n/a
n/a
May
36.1 C (97.0 F)
-1.7 C (28.9 F)
n/a
n/a
Jun
40.0 C (104.0 F)
-3.9 C (25.0 F)
n/a
n/a
Jul
40.6 C (105.1 F)
1.1 C (34.0 F)
n/a
n/a
Aug
40.6 C (105.1 F)
1.1 C (34.0 F)
n/a
n/a
Sep
38.3 C (100.9 F)
-1.7 C (28.9 F)
n/a
n/a
Oct
30.6 C (87.1 F)
-6.1 C (21.0 F)
n/a
n/a
Nov
22.2 C (72.0 F)
-12.8 C (9.0 F)
n/a
n/a
Dec
18.9 C (66.0 F)
-16.7 C (1.9 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Grays Rvr Hatchery still stand. 1972 holds the most, with 57.
Standing records at Grays Rvr Hatchery by the year they were set
Year set
Standing records
1962
42
1963
42
1964
30
1965
42
1966
25
1967
13
1968
30
1969
53
1970
27
1971
34
1972
57
1973
39
1974
30
1975
45
1976
43
1977
21
1978
31
1979
31
1980
33
1981
31
1982
26
1983
25
1984
39
1985
39
1986
31
1987
31
1988
18
1989
27
1990
45
1991
22
1992
23
1993
20
1994
18
1995
21
1996
27
1997
19
1998
16
1999
15
2000
11
2001
14
2002
33
2003
27
2004
20
2005
21
2006
20
2007
22
2008
36
2009
33
2010
6
2011
28
2012
31
2013
1
All-Time Record Progression
1 new records
1 all-time records were set at Grays Rvr Hatchery between 19 March 1997 and 19 March 1997. Each dot is a new record.
When Grays Rvr Hatchery set new all-time records
Date
Kind
Detail
1997-03-19
Record daily precipitation
Record daily precipitation 163.3 mm (6.4 in)
Wettest Day of Each Month
Mar: 163.3 mm (6.4 in)
The wettest day on record for each calendar month at Grays Rvr Hatchery. The most was 163.3 mm (6.4 in) on 19 March 1997.
Record daily precipitation for each month at Grays Rvr Hatchery
Month
Record daily precipitation (mm)
Date
Jan
148.8 mm (5.9 in)
23 January 1982
Feb
152.4 mm (6.0 in)
16 February 1981
Mar
163.3 mm (6.4 in)
19 March 1997
Apr
109.2 mm (4.3 in)
23 April 1996
May
91.4 mm (3.6 in)
31 May 1968
Jun
113.0 mm (4.4 in)
11 June 2000
Jul
63.0 mm (2.5 in)
17 July 1974
Aug
56.1 mm (2.2 in)
19 August 2008
Sep
101.6 mm (4.0 in)
17 September 1997
Oct
119.4 mm (4.7 in)
29 October 1982
Nov
140.2 mm (5.5 in)
23 November 1986
Dec
154.9 mm (6.1 in)
2 December 1977
Period of Record Coverage
1962 to 2014
Complete yearUnder 90 percent of days
53 years of record at Grays Rvr Hatchery, 1962 to 2014. 8 years have data for under 90 percent of days and are left out of rankings: 1962, 2001, 2009, 2010, 2011, 2012, 2013, 2014.
Cooler than the station meanWarmer than the station mean
One stripe for each of 44 complete years at Grays Rvr Hatchery, 1963 to 2008. Blue stripes are years cooler than the station's own mean of 10.1 C (50.3 F); red stripes are warmer. The coolest year was 1975, at 9.0 C (48.1 F), and the warmest was 2004, at 11.2 C (52.2 F). The strongest colour marks a difference of 1.2 C (2.2 F).
Annual mean temperature at Grays Rvr Hatchery as warming stripes, 1963 to 2008
Year
Annual mean temperature
Difference from the station mean
1963
11.0 C
+0.87 C
1964
9.7 C
-0.40 C
1965
10.4 C
+0.30 C
1966
10.2 C
+0.07 C
1967
10.3 C
+0.17 C
1968
9.9 C
-0.22 C
1969
9.3 C
-0.84 C
1970
10.1 C
-0.08 C
1971
9.2 C
-0.94 C
1972
9.4 C
-0.78 C
1973
9.6 C
-0.51 C
1974
9.8 C
-0.36 C
1975
9.0 C
-1.17 C
1976
9.4 C
-0.79 C
1977
9.6 C
-0.51 C
1978
10.2 C
+0.01 C
1979
10.4 C
+0.24 C
1980
10.2 C
+0.07 C
1981
10.8 C
+0.66 C
1982
9.8 C
-0.39 C
1983
10.5 C
+0.33 C
1984
9.4 C
-0.75 C
1985
9.2 C
-0.98 C
1986
10.6 C
+0.43 C
1987
10.8 C
+0.68 C
1988
10.3 C
+0.13 C
1989
9.9 C
-0.21 C
1990
10.0 C
-0.17 C
1991
10.3 C
+0.14 C
1992
11.1 C
+0.93 C
1994
10.2 C
+0.07 C
1995
11.1 C
+0.94 C
1996
10.1 C
-0.04 C
1997
10.7 C
+0.56 C
1998
10.7 C
+0.53 C
1999
9.9 C
-0.29 C
2000
9.9 C
-0.20 C
2002
10.1 C
-0.02 C
2003
10.8 C
+0.63 C
2004
11.2 C
+1.08 C
2005
10.6 C
+0.47 C
2006
10.5 C
+0.37 C
2007
10.3 C
+0.16 C
2008
10.0 C
-0.11 C
The annual mean temperature here has risen by 0.16 C (0.04 to 0.28) per decade over 1963 to 2008. In Fahrenheit: 0.3 F (0.1 to 0.5) per decade. The slope is a straight line fitted to 44 complete years; the brackets give its 95 percent interval.
Fitted temperature trends per decade at Grays Rvr Hatchery
Measure
Per decade (C)
Per decade (F)
Period
Complete years
Reading
Annual mean temperature
0.16 C (0.04 to 0.28) per decade
0.3 F (0.1 to 0.5) per decade
1963 to 2008
44
Rise
Mean daily maximum
0.3 C (0.1 to 0.4) per decade
0.5 F (0.2 to 0.7) per decade
1963 to 2008
44
Rise
Mean daily minimum
0.1 C (-0.1 to 0.2) per decade
0.1 F (-0.2 to 0.4) per decade
1963 to 2008
44
Not clearly different from zero
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
1962 to 2020
Yearly extremes at Grays Rvr Hatchery: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
40.6 C (105.1 F)
1981
35.6 C (96.1 F)
53
Coldest night (TNn)
-16.7 C (1.9 F)
1972
-7.8 C (18.0 F)
53
Wettest day (Rx1day)
163.3 mm (6.4 in)
1997
104.1 mm (4.1 in)
59
Wettest five days (Rx5day)
425.2 mm (16.7 in)
1975
238.7 mm (9.4 in)
59
Longest dry spell (CDD)
64 days
2000
22 days
59
Hottest day (TXx)
The hottest day of the year at Grays Rvr Hatchery, 1962 to 2020. The record is 40.6 C (105.1 F) in 1981, marked on the chart; the median year is 35.6 C (96.1 F).
Hottest day (TXx) at Grays Rvr Hatchery by year
Year
Hottest day (TXx)
1962
31.7 C (89.1 F)
1963
35.0 C (95.0 F)
1964
32.8 C (91.0 F)
1965
35.6 C (96.1 F)
1966
34.4 C (93.9 F)
1967
37.2 C (99.0 F)
1968
36.1 C (97.0 F)
1969
31.7 C (89.1 F)
1970
36.1 C (97.0 F)
1971
32.8 C (91.0 F)
1972
38.9 C (102.0 F)
1973
35.0 C (95.0 F)
1974
34.4 C (93.9 F)
1975
33.9 C (93.0 F)
1976
31.1 C (88.0 F)
1977
37.8 C (100.0 F)
1978
36.1 C (97.0 F)
1979
36.1 C (97.0 F)
1980
36.1 C (97.0 F)
1981
40.6 C (105.1 F)
1982
37.8 C (100.0 F)
1983
32.8 C (91.0 F)
1984
35.6 C (96.1 F)
1985
35.6 C (96.1 F)
1986
33.9 C (93.0 F)
1987
37.2 C (99.0 F)
1988
38.3 C (100.9 F)
1989
34.4 C (93.9 F)
1990
35.6 C (96.1 F)
1991
33.3 C (91.9 F)
1992
37.2 C (99.0 F)
1993
35.6 C (96.1 F)
1994
34.4 C (93.9 F)
1995
36.7 C (98.1 F)
1996
37.2 C (99.0 F)
1997
33.3 C (91.9 F)
1998
33.9 C (93.0 F)
1999
31.7 C (89.1 F)
2000
36.1 C (97.0 F)
2001
35.6 C (96.1 F)
2002
37.2 C (99.0 F)
2003
35.6 C (96.1 F)
2004
38.9 C (102.0 F)
2005
33.9 C (93.0 F)
2006
38.9 C (102.0 F)
2007
36.1 C (97.0 F)
2008
40.0 C (104.0 F)
2009
40.6 C (105.1 F)
2010
24.4 C (75.9 F)
2011
34.4 C (93.9 F)
2012
29.4 C (84.9 F)
2013
14.4 C (57.9 F)
2014
10.6 C (51.1 F)
2015
n/a
2016
n/a
2017
n/a
2018
n/a
2019
n/a
2020
n/a
Coldest night (TNn)
The coldest night of the year at Grays Rvr Hatchery, 1962 to 2020. The record is -16.7 C (1.9 F) in 1972, marked on the chart; the median year is -7.8 C (18.0 F).
Coldest night (TNn) at Grays Rvr Hatchery by year
Year
Coldest night (TNn)
1962
-6.1 C (21.0 F)
1963
-11.1 C (12.0 F)
1964
-11.1 C (12.0 F)
1965
-5.6 C (21.9 F)
1966
-3.9 C (25.0 F)
1967
-7.2 C (19.0 F)
1968
-10.0 C (14.0 F)
1969
-10.0 C (14.0 F)
1970
-4.4 C (24.1 F)
1971
-7.8 C (18.0 F)
1972
-16.7 C (1.9 F)
1973
-10.6 C (12.9 F)
1974
-12.2 C (10.0 F)
1975
-7.2 C (19.0 F)
1976
-8.3 C (17.1 F)
1977
-8.3 C (17.1 F)
1978
-13.3 C (8.1 F)
1979
-15.6 C (3.9 F)
1980
-14.4 C (6.1 F)
1981
-3.9 C (25.0 F)
1982
-11.1 C (12.0 F)
1983
-14.4 C (6.1 F)
1984
-7.8 C (18.0 F)
1985
-12.8 C (9.0 F)
1986
-3.9 C (25.0 F)
1987
-5.0 C (23.0 F)
1988
-6.1 C (21.0 F)
1989
-16.1 C (3.0 F)
1990
-15.0 C (5.0 F)
1991
-6.1 C (21.0 F)
1992
-3.9 C (25.0 F)
1993
-11.1 C (12.0 F)
1994
-7.2 C (19.0 F)
1995
-6.7 C (19.9 F)
1996
-9.4 C (15.1 F)
1997
-6.1 C (21.0 F)
1998
-10.6 C (12.9 F)
1999
-3.3 C (26.1 F)
2000
-5.0 C (23.0 F)
2001
-4.4 C (24.1 F)
2002
-5.6 C (21.9 F)
2003
-6.1 C (21.0 F)
2004
-6.1 C (21.0 F)
2005
-6.1 C (21.0 F)
2006
-8.9 C (16.0 F)
2007
-7.8 C (18.0 F)
2008
-8.9 C (16.0 F)
2009
-7.8 C (18.0 F)
2010
-9.4 C (15.1 F)
2011
-7.2 C (19.0 F)
2012
-6.1 C (21.0 F)
2013
0.6 C (33.1 F)
2014
5.6 C (42.1 F)
2015
n/a
2016
n/a
2017
n/a
2018
n/a
2019
n/a
2020
n/a
Wettest day (Rx1day)
The wettest day of the year at Grays Rvr Hatchery, 1962 to 2020. The record is 163.3 mm (6.4 in) in 1997, marked on the chart; the median year is 104.1 mm (4.1 in).
Wettest day (Rx1day) at Grays Rvr Hatchery by year
Year
Wettest day (Rx1day)
1962
138.4 mm (5.4 in)
1963
68.6 mm (2.7 in)
1964
135.6 mm (5.3 in)
1965
79.2 mm (3.1 in)
1966
110.5 mm (4.4 in)
1967
89.7 mm (3.5 in)
1968
127.0 mm (5.0 in)
1969
67.6 mm (2.7 in)
1970
132.1 mm (5.2 in)
1971
95.8 mm (3.8 in)
1972
107.7 mm (4.2 in)
1973
91.4 mm (3.6 in)
1974
70.9 mm (2.8 in)
1975
123.4 mm (4.9 in)
1976
93.2 mm (3.7 in)
1977
154.9 mm (6.1 in)
1978
92.2 mm (3.6 in)
1979
111.8 mm (4.4 in)
1980
127.0 mm (5.0 in)
1981
152.4 mm (6.0 in)
1982
148.8 mm (5.9 in)
1983
92.2 mm (3.6 in)
1984
104.1 mm (4.1 in)
1985
110.5 mm (4.4 in)
1986
140.2 mm (5.5 in)
1987
117.9 mm (4.6 in)
1988
104.1 mm (4.1 in)
1989
148.8 mm (5.9 in)
1990
125.7 mm (4.9 in)
1991
108.7 mm (4.3 in)
1992
110.0 mm (4.3 in)
1993
107.7 mm (4.2 in)
1994
99.8 mm (3.9 in)
1995
71.9 mm (2.8 in)
1996
109.2 mm (4.3 in)
1997
163.3 mm (6.4 in)
1998
118.9 mm (4.7 in)
1999
99.1 mm (3.9 in)
2000
113.0 mm (4.4 in)
2001
74.9 mm (2.9 in)
2002
96.5 mm (3.8 in)
2003
82.6 mm (3.3 in)
2004
71.4 mm (2.8 in)
2005
110.5 mm (4.4 in)
2006
122.4 mm (4.8 in)
2007
68.6 mm (2.7 in)
2008
66.0 mm (2.6 in)
2009
98.0 mm (3.9 in)
2010
61.0 mm (2.4 in)
2011
81.3 mm (3.2 in)
2012
104.1 mm (4.1 in)
2013
58.4 mm (2.3 in)
2014
58.4 mm (2.3 in)
2015
130.3 mm (5.1 in)
2016
59.4 mm (2.3 in)
2017
109.7 mm (4.3 in)
2018
55.9 mm (2.2 in)
2019
58.4 mm (2.3 in)
2020
60.2 mm (2.4 in)
Wettest five days (Rx5day)
The wettest five days of the year at Grays Rvr Hatchery, 1962 to 2020. The record is 425.2 mm (16.7 in) in 1975, marked on the chart; the median year is 238.7 mm (9.4 in).
Wettest five days (Rx5day) at Grays Rvr Hatchery by year
Year
Wettest five days (Rx5day)
1962
264.4 mm (10.4 in)
1963
229.3 mm (9.0 in)
1964
264.7 mm (10.4 in)
1965
235.2 mm (9.3 in)
1966
228.7 mm (9.0 in)
1967
219.8 mm (8.7 in)
1968
301.0 mm (11.9 in)
1969
196.8 mm (7.7 in)
1970
300.5 mm (11.8 in)
1971
304.7 mm (12.0 in)
1972
275.0 mm (10.8 in)
1973
228.7 mm (9.0 in)
1974
185.7 mm (7.3 in)
1975
425.2 mm (16.7 in)
1976
240.6 mm (9.5 in)
1977
303.1 mm (11.9 in)
1978
153.4 mm (6.0 in)
1979
282.8 mm (11.1 in)
1980
253.3 mm (10.0 in)
1981
318.8 mm (12.6 in)
1982
337.5 mm (13.3 in)
1983
287.3 mm (11.3 in)
1984
207.5 mm (8.2 in)
1985
250.2 mm (9.9 in)
1986
308.1 mm (12.1 in)
1987
270.5 mm (10.6 in)
1988
199.8 mm (7.9 in)
1989
235.5 mm (9.3 in)
1990
284.9 mm (11.2 in)
1991
246.8 mm (9.7 in)
1992
316.2 mm (12.4 in)
1993
208.0 mm (8.2 in)
1994
203.0 mm (8.0 in)
1995
229.4 mm (9.0 in)
1996
221.8 mm (8.7 in)
1997
283.4 mm (11.2 in)
1998
320.3 mm (12.6 in)
1999
278.1 mm (10.9 in)
2000
163.4 mm (6.4 in)
2001
225.3 mm (8.9 in)
2002
190.2 mm (7.5 in)
2003
195.3 mm (7.7 in)
2004
196.9 mm (7.8 in)
2005
223.6 mm (8.8 in)
2006
321.7 mm (12.7 in)
2007
181.9 mm (7.2 in)
2008
162.6 mm (6.4 in)
2009
247.8 mm (9.8 in)
2010
161.1 mm (6.3 in)
2011
245.1 mm (9.6 in)
2012
248.6 mm (9.8 in)
2013
228.6 mm (9.0 in)
2014
238.7 mm (9.4 in)
2015
254.9 mm (10.0 in)
2016
259.0 mm (10.2 in)
2017
231.9 mm (9.1 in)
2018
190.4 mm (7.5 in)
2019
151.2 mm (6.0 in)
2020
173.8 mm (6.8 in)
Longest dry spell (CDD)
The longest dry spell of the year at Grays Rvr Hatchery, 1962 to 2020. The record is 64 days in 2000, marked on the chart; the median year is 22 days.
Longest dry spell (CDD) at Grays Rvr Hatchery by year
Year
Longest dry spell (CDD)
1962
24 days
1963
21 days
1964
10 days
1965
21 days
1966
18 days
1967
22 days
1968
17 days
1969
23 days
1970
35 days
1971
23 days
1972
34 days
1973
25 days
1974
31 days
1975
20 days
1976
17 days
1977
36 days
1978
14 days
1979
32 days
1980
14 days
1981
20 days
1982
16 days
1983
17 days
1984
35 days
1985
45 days
1986
18 days
1987
33 days
1988
32 days
1989
17 days
1990
21 days
1991
32 days
1992
29 days
1993
42 days
1994
33 days
1995
18 days
1996
13 days
1997
39 days
1998
24 days
1999
17 days
2000
64 days
2001
18 days
2002
27 days
2003
22 days
2004
18 days
2005
15 days
2006
24 days
2007
17 days
2008
22 days
2009
29 days
2010
8 days
2011
16 days
2012
44 days
2013
31 days
2014
23 days
2015
50 days
2016
21 days
2017
34 days
2018
28 days
2019
21 days
2020
1 day
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
44 years with a frost
Across 44 years with a frost, the median last spring frost at Grays Rvr Hatchery falls on 9 May and the median first autumn frost on 16 October, which leaves a median of 158 days between them.
Fitted over all years, the growing season changes by +1.1 days per decade at this station.
Frost dates and growing season at Grays Rvr Hatchery
Measure
Median, all years
Earliest period
Recent period (1977 to 2008)
Recent against earliest
Fitted trend
Last spring frost
9 May
n/a
8 May
n/a
-0.7 days per decade
First autumn frost
16 October
n/a
17 October
n/a
+0.3 days per decade
Growing days
158 days
n/a
163 days
n/a
+1.1 days per decade
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.
Rainfall Return Levels
49 years, 1963 to 2019
A day with at least 104.9 mm (4.1 in) of rain is expected about once in 2 years. A day with at least 166.3 mm (6.5 in) of rain is expected about once in 100 years.
Rainfall return levels at Grays Rvr Hatchery: the daily rain expected about once in a given number of years
Expected about once in
A day with at least
Note
2 years
104.9 mm (4.1 in)
5 years
129.6 mm (5.1 in)
10 years
141.8 mm (5.6 in)
25 years
153.8 mm (6.1 in)
50 years
160.8 mm (6.3 in)
Longer than the 49 years of record
100 years
166.3 mm (6.5 in)
Longer than the 49 years of record
The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 49 years of values from 1963 to 2019.
A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.
The largest wettest-day totals in the fit: 163.3 mm (6.4 in) in 1997; 154.9 mm (6.1 in) in 1977; 152.4 mm (6.0 in) in 1981.
Station Changes
No change in the annual mean temperature of this station was found against its neighbours.
Download the Data
Data for Grays Rvr Hatchery standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Grays Rvr Hatchery 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.