Record envelope, standing records and threshold days for Wahluke (USC00458903), Washington, United States, with 41 years of record.
Key Facts for Wahluke
Wahluke (USC00458903) is a weather station in Washington, United States at 46.65 latitude and -119.72 longitude, 128 m (420 ft) above sea level.
The station reports from 1904 to 1944, 41 years of record.
1,464 records set at Wahluke still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Wahluke tied a daily record high minimum temperature of 20.6 C (69.1 F) on 31 August 1944.
About the Station
Location: Washington, United States, 46.65 latitude, -119.72 longitude.
Elevation: 128 m (420 ft).
Period of record: 1904 to 1944, 41 years.
Eligible elements: tmax, tmin, prcp.
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 Wahluke. 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 Wahluke, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
18.9 C (66.0 F)
-28.9 C (-20.0 F)
n/a
n/a
Feb
20.6 C (69.1 F)
-26.1 C (-15.0 F)
n/a
n/a
Mar
28.3 C (82.9 F)
-11.7 C (10.9 F)
n/a
n/a
Apr
39.4 C (102.9 F)
-7.2 C (19.0 F)
n/a
n/a
May
39.4 C (102.9 F)
-1.7 C (28.9 F)
n/a
n/a
Jun
43.3 C (109.9 F)
0.6 C (33.1 F)
n/a
n/a
Jul
47.8 C (118.0 F)
5.0 C (41.0 F)
n/a
n/a
Aug
44.4 C (111.9 F)
2.2 C (36.0 F)
n/a
n/a
Sep
40.0 C (104.0 F)
-6.7 C (19.9 F)
n/a
n/a
Oct
34.4 C (93.9 F)
-8.9 C (16.0 F)
n/a
n/a
Nov
22.2 C (72.0 F)
-13.9 C (7.0 F)
n/a
n/a
Dec
23.3 C (73.9 F)
-29.4 C (-20.9 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Wahluke still stand. 1909 holds the most, with 70.
Standing records at Wahluke by the year they were set
Year set
Standing records
1905
47
1906
48
1907
29
1908
19
1909
70
1910
28
1911
33
1912
35
1913
35
1914
27
1915
19
1916
60
1917
41
1918
42
1919
52
1920
28
1921
28
1922
57
1923
17
1924
49
1925
31
1926
36
1927
24
1928
24
1929
40
1930
43
1931
38
1932
43
1933
40
1934
65
1935
44
1936
52
1937
29
1938
29
1939
49
1940
32
1941
20
1942
24
1943
24
1944
13
Wettest Day of Each Month
Nov: 44.5 mm (1.8 in)
The wettest day on record for each calendar month at Wahluke. The most was 44.5 mm (1.8 in) on 16 November 1927.
Record daily precipitation for each month at Wahluke
Month
Record daily precipitation (mm)
Date
Jan
22.9 mm (0.9 in)
16 January 1926
Feb
21.6 mm (0.9 in)
2 February 1916
Mar
21.3 mm (0.8 in)
5 March 1911
Apr
16.5 mm (0.6 in)
21 April 1916
May
15.2 mm (0.6 in)
1 May 1912
Jun
39.6 mm (1.6 in)
3 June 1905
Jul
31.8 mm (1.3 in)
13 July 1908
Aug
17.3 mm (0.7 in)
3 August 1934
Sep
21.6 mm (0.9 in)
3 September 1916
Oct
22.9 mm (0.9 in)
3 October 1918
Nov
44.5 mm (1.8 in)
16 November 1927
Dec
15.2 mm (0.6 in)
19 December 1906
Period of Record Coverage
1904 to 1944
Complete yearUnder 90 percent of days
41 years of record at Wahluke, 1904 to 1944. 5 years have data for under 90 percent of days and are left out of rankings: 1904, 1913, 1928, 1932, 1944.
Cooler than the station meanWarmer than the station mean
One stripe for each of 29 complete years at Wahluke, 1905 to 1943. Blue stripes are years cooler than the station's own mean of 12.4 C (54.4 F); red stripes are warmer. The coolest year was 1922, at 10.6 C (51.0 F), and the warmest was 1940, at 14.2 C (57.5 F). The strongest colour marks a difference of 1.9 C (3.4 F).
Annual mean temperature at Wahluke as warming stripes, 1905 to 1943
Year
Annual mean temperature
Difference from the station mean
1905
11.7 C
-0.80 C
1907
11.3 C
-1.17 C
1909
11.0 C
-1.46 C
1910
12.3 C
-0.14 C
1911
11.6 C
-0.83 C
1912
11.6 C
-0.89 C
1914
12.3 C
-0.15 C
1916
10.6 C
-1.84 C
1917
12.2 C
-0.21 C
1918
13.6 C
+1.17 C
1919
11.8 C
-0.66 C
1920
11.8 C
-0.69 C
1921
12.3 C
-0.16 C
1922
10.6 C
-1.88 C
1923
12.7 C
+0.24 C
1926
13.3 C
+0.88 C
1927
11.9 C
-0.57 C
1930
12.6 C
+0.15 C
1931
13.3 C
+0.87 C
1933
12.9 C
+0.45 C
1935
12.9 C
+0.47 C
1936
13.2 C
+0.72 C
1937
12.5 C
+0.04 C
1938
13.7 C
+1.24 C
1939
13.3 C
+0.83 C
1940
14.2 C
+1.72 C
1941
13.9 C
+1.49 C
1942
13.2 C
+0.70 C
1943
12.9 C
+0.44 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
1904 to 1944
Yearly extremes at Wahluke: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
47.8 C (118.0 F)
1928
42.2 C (108.0 F)
41
Coldest night (TNn)
-29.4 C (-20.9 F)
1919
-17.2 C (1.0 F)
41
Wettest day (Rx1day)
44.5 mm (1.8 in)
1927
15.2 mm (0.6 in)
41
Wettest five days (Rx5day)
53.9 mm (2.1 in)
1927
22.9 mm (0.9 in)
41
Longest dry spell (CDD)
146 days
1930
61 days
41
Hottest day (TXx)
The hottest day of the year at Wahluke, 1904 to 1944. The record is 47.8 C (118.0 F) in 1928, marked on the chart; the median year is 42.2 C (108.0 F).
Hottest day (TXx) at Wahluke by year
Year
Hottest day (TXx)
1904
11.7 C (53.1 F)
1905
43.3 C (109.9 F)
1906
42.2 C (108.0 F)
1907
42.2 C (108.0 F)
1908
41.1 C (106.0 F)
1909
40.0 C (104.0 F)
1910
41.7 C (107.1 F)
1911
42.8 C (109.0 F)
1912
40.6 C (105.1 F)
1913
41.7 C (107.1 F)
1914
40.6 C (105.1 F)
1915
42.2 C (108.0 F)
1916
44.4 C (111.9 F)
1917
41.7 C (107.1 F)
1918
46.1 C (115.0 F)
1919
41.7 C (107.1 F)
1920
41.7 C (107.1 F)
1921
39.4 C (102.9 F)
1922
40.6 C (105.1 F)
1923
42.2 C (108.0 F)
1924
43.3 C (109.9 F)
1925
43.3 C (109.9 F)
1926
45.0 C (113.0 F)
1927
44.4 C (111.9 F)
1928
47.8 C (118.0 F)
1929
42.2 C (108.0 F)
1930
43.9 C (111.0 F)
1931
44.4 C (111.9 F)
1932
40.0 C (104.0 F)
1933
42.2 C (108.0 F)
1934
45.0 C (113.0 F)
1935
46.1 C (115.0 F)
1936
43.9 C (111.0 F)
1937
43.3 C (109.9 F)
1938
43.9 C (111.0 F)
1939
45.6 C (114.1 F)
1940
41.1 C (106.0 F)
1941
46.1 C (115.0 F)
1942
45.0 C (113.0 F)
1943
41.1 C (106.0 F)
1944
42.8 C (109.0 F)
Coldest night (TNn)
The coldest night of the year at Wahluke, 1904 to 1944. The record is -29.4 C (-20.9 F) in 1919, marked on the chart; the median year is -17.2 C (1.0 F).
Coldest night (TNn) at Wahluke by year
Year
Coldest night (TNn)
1904
-9.4 C (15.1 F)
1905
-17.2 C (1.0 F)
1906
-11.1 C (12.0 F)
1907
-22.2 C (-8.0 F)
1908
-16.1 C (3.0 F)
1909
-28.9 C (-20.0 F)
1910
-17.2 C (1.0 F)
1911
-13.3 C (8.1 F)
1912
-22.8 C (-9.0 F)
1913
-18.9 C (-2.0 F)
1914
-17.2 C (1.0 F)
1915
-18.9 C (-2.0 F)
1916
-23.9 C (-11.0 F)
1917
-15.6 C (3.9 F)
1918
-13.9 C (7.0 F)
1919
-29.4 C (-20.9 F)
1920
-12.8 C (9.0 F)
1921
-14.4 C (6.1 F)
1922
-25.6 C (-14.1 F)
1923
-15.0 C (5.0 F)
1924
-20.6 C (-5.1 F)
1925
-11.1 C (12.0 F)
1926
-15.6 C (3.9 F)
1927
-23.3 C (-9.9 F)
1928
-15.6 C (3.9 F)
1929
-26.1 C (-15.0 F)
1930
-28.3 C (-18.9 F)
1931
-16.7 C (1.9 F)
1932
-21.1 C (-6.0 F)
1933
-21.7 C (-7.1 F)
1934
-6.7 C (19.9 F)
1935
-17.8 C (0.0 F)
1936
-18.9 C (-2.0 F)
1937
-26.7 C (-16.1 F)
1938
-11.1 C (12.0 F)
1939
-11.1 C (12.0 F)
1940
-14.4 C (6.1 F)
1941
-8.3 C (17.1 F)
1942
-17.8 C (0.0 F)
1943
-22.2 C (-8.0 F)
1944
-11.1 C (12.0 F)
Wettest day (Rx1day)
The wettest day of the year at Wahluke, 1904 to 1944. The record is 44.5 mm (1.8 in) in 1927, marked on the chart; the median year is 15.2 mm (0.6 in).
Wettest day (Rx1day) at Wahluke by year
Year
Wettest day (Rx1day)
1904
10.2 mm (0.4 in)
1905
39.6 mm (1.6 in)
1906
20.3 mm (0.8 in)
1907
15.2 mm (0.6 in)
1908
31.8 mm (1.3 in)
1909
20.8 mm (0.8 in)
1910
15.7 mm (0.6 in)
1911
21.3 mm (0.8 in)
1912
15.2 mm (0.6 in)
1913
11.9 mm (0.5 in)
1914
13.5 mm (0.5 in)
1915
21.1 mm (0.8 in)
1916
24.1 mm (0.9 in)
1917
16.3 mm (0.6 in)
1918
22.9 mm (0.9 in)
1919
12.7 mm (0.5 in)
1920
16.5 mm (0.6 in)
1921
10.7 mm (0.4 in)
1922
12.7 mm (0.5 in)
1923
16.5 mm (0.6 in)
1924
9.7 mm (0.38 in)
1925
12.7 mm (0.5 in)
1926
25.7 mm (1.0 in)
1927
44.5 mm (1.8 in)
1928
12.7 mm (0.5 in)
1929
11.9 mm (0.5 in)
1930
10.2 mm (0.4 in)
1931
10.4 mm (0.4 in)
1932
12.2 mm (0.5 in)
1933
10.2 mm (0.4 in)
1934
17.3 mm (0.7 in)
1935
9.4 mm (0.37 in)
1936
11.4 mm (0.4 in)
1937
20.3 mm (0.8 in)
1938
34.3 mm (1.4 in)
1939
18.8 mm (0.7 in)
1940
19.8 mm (0.8 in)
1941
13.5 mm (0.5 in)
1942
10.7 mm (0.4 in)
1943
12.2 mm (0.5 in)
1944
11.4 mm (0.4 in)
Wettest five days (Rx5day)
The wettest five days of the year at Wahluke, 1904 to 1944. The record is 53.9 mm (2.1 in) in 1927, marked on the chart; the median year is 22.9 mm (0.9 in).
Wettest five days (Rx5day) at Wahluke by year
Year
Wettest five days (Rx5day)
1904
17.6 mm (0.7 in)
1905
40.1 mm (1.6 in)
1906
35.6 mm (1.4 in)
1907
28.7 mm (1.1 in)
1908
32.3 mm (1.3 in)
1909
20.8 mm (0.8 in)
1910
23.5 mm (0.9 in)
1911
30.2 mm (1.2 in)
1912
23.6 mm (0.9 in)
1913
17.0 mm (0.7 in)
1914
23.8 mm (0.9 in)
1915
32.8 mm (1.3 in)
1916
45.7 mm (1.8 in)
1917
22.7 mm (0.9 in)
1918
29.3 mm (1.2 in)
1919
16.8 mm (0.7 in)
1920
23.4 mm (0.9 in)
1921
11.7 mm (0.5 in)
1922
16.8 mm (0.7 in)
1923
18.8 mm (0.7 in)
1924
19.3 mm (0.8 in)
1925
20.6 mm (0.8 in)
1926
32.5 mm (1.3 in)
1927
53.9 mm (2.1 in)
1928
13.0 mm (0.5 in)
1929
23.3 mm (0.9 in)
1930
12.2 mm (0.5 in)
1931
28.9 mm (1.1 in)
1932
12.2 mm (0.5 in)
1933
17.8 mm (0.7 in)
1934
17.3 mm (0.7 in)
1935
16.8 mm (0.7 in)
1936
18.5 mm (0.7 in)
1937
26.8 mm (1.1 in)
1938
45.2 mm (1.8 in)
1939
19.6 mm (0.8 in)
1940
30.0 mm (1.2 in)
1941
22.4 mm (0.9 in)
1942
22.9 mm (0.9 in)
1943
29.0 mm (1.1 in)
1944
21.3 mm (0.8 in)
Longest dry spell (CDD)
The longest dry spell of the year at Wahluke, 1904 to 1944. The record is 146 days in 1930, marked on the chart; the median year is 61 days.
Longest dry spell (CDD) at Wahluke by year
Year
Longest dry spell (CDD)
1904
9 days
1905
100 days
1906
88 days
1907
56 days
1908
61 days
1909
83 days
1910
74 days
1911
63 days
1912
55 days
1913
69 days
1914
55 days
1915
121 days
1916
58 days
1917
73 days
1918
55 days
1919
97 days
1920
73 days
1921
72 days
1922
104 days
1923
69 days
1924
98 days
1925
46 days
1926
59 days
1927
116 days
1928
14 days
1929
15 days
1930
146 days
1931
68 days
1932
60 days
1933
35 days
1934
56 days
1935
32 days
1936
46 days
1937
29 days
1938
23 days
1939
44 days
1940
54 days
1941
33 days
1942
76 days
1943
63 days
1944
70 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
29 years with a frost
Across 29 years with a frost, the median last spring frost at Wahluke falls on 14 April and the median first autumn frost on 20 October, which leaves a median of 190 days between them.
Fitted over all years, the growing season changes by +13.4 days per decade at this station.
Frost dates and growing season at Wahluke
Measure
Median, all years
Earliest period
Recent period (1905 to 1943)
Recent against earliest
Fitted trend
Last spring frost
14 April
n/a
14 April
n/a
-8.3 days per decade
First autumn frost
20 October
n/a
20 October
n/a
+5.1 days per decade
Growing days
190 days
n/a
190 days
n/a
+13.4 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.
Download the Data
Data for Wahluke standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Wahluke 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.