Record envelope, standing records and threshold days for Naches Heights (USC00455736), Washington, United States, with 38 years of record.
Key Facts for Naches Heights
Naches Heights (USC00455736) is a weather station in Washington, United States at 46.65 latitude and -120.63 longitude, 570 m (1,870 ft) above sea level.
The station reports from 1910 to 1947, 38 years of record.
1,464 records set at Naches Heights still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Naches Heights tied a daily record high minimum temperature of 5.6 C (42.1 F) on 31 October 1947.
About the Station
Location: Washington, United States, 46.65 latitude, -120.63 longitude.
Elevation: 570 m (1,870 ft).
Period of record: 1910 to 1947, 38 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 Naches Heights. 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 Naches Heights, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
17.2 C (63.0 F)
-23.3 C (-9.9 F)
n/a
n/a
Feb
18.9 C (66.0 F)
-24.4 C (-11.9 F)
n/a
n/a
Mar
24.4 C (75.9 F)
-12.8 C (9.0 F)
n/a
n/a
Apr
29.4 C (84.9 F)
-7.2 C (19.0 F)
n/a
n/a
May
34.4 C (93.9 F)
-2.2 C (28.0 F)
n/a
n/a
Jun
37.2 C (99.0 F)
1.1 C (34.0 F)
n/a
n/a
Jul
39.4 C (102.9 F)
3.3 C (37.9 F)
n/a
n/a
Aug
37.2 C (99.0 F)
3.9 C (39.0 F)
n/a
n/a
Sep
35.0 C (95.0 F)
-3.9 C (25.0 F)
n/a
n/a
Oct
29.4 C (84.9 F)
-12.2 C (10.0 F)
n/a
n/a
Nov
20.6 C (69.1 F)
-15.0 C (5.0 F)
n/a
n/a
Dec
17.8 C (64.0 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 Naches Heights still stand. 1917 holds the most, with 74.
Standing records at Naches Heights by the year they were set
Year set
Standing records
1910
11
1911
28
1912
32
1913
55
1914
29
1915
27
1916
61
1917
74
1918
50
1919
65
1920
42
1921
36
1922
41
1923
28
1924
68
1925
41
1926
41
1927
38
1928
18
1929
52
1930
43
1931
35
1932
36
1933
44
1934
68
1935
50
1936
52
1937
39
1938
27
1939
26
1940
21
1941
23
1942
23
1943
38
1944
33
1945
44
1946
12
1947
13
Wettest Day of Each Month
Dec: 53.3 mm (2.1 in)
The wettest day on record for each calendar month at Naches Heights. The most was 53.3 mm (2.1 in) on 20 December 1925.
Record daily precipitation for each month at Naches Heights
Month
Record daily precipitation (mm)
Date
Jan
39.4 mm (1.6 in)
6 January 1912
Feb
27.9 mm (1.1 in)
20 February 1921
Mar
15.5 mm (0.6 in)
2 March 1938
Apr
23.4 mm (0.9 in)
12 April 1937
May
27.2 mm (1.1 in)
24 May 1911
Jun
38.1 mm (1.5 in)
6 June 1936
Jul
47.8 mm (1.9 in)
6 July 1923
Aug
16.3 mm (0.6 in)
1 August 1927
Sep
24.9 mm (1.0 in)
4 September 1937
Oct
32.8 mm (1.3 in)
23 October 1943
Nov
51.1 mm (2.0 in)
21 November 1921
Dec
53.3 mm (2.1 in)
20 December 1925
Period of Record Coverage
1910 to 1947
Complete yearUnder 90 percent of days
38 years of record at Naches Heights, 1910 to 1947. 5 years have data for under 90 percent of days and are left out of rankings: 1910, 1911, 1926, 1928, 1947.
Cooler than the station meanWarmer than the station mean
One stripe for each of 31 complete years at Naches Heights, 1913 to 1946. Blue stripes are years cooler than the station's own mean of 9.8 C (49.6 F); red stripes are warmer. The coolest year was 1916, at 8.5 C (47.2 F), and the warmest was 1934, at 11.7 C (53.1 F). The strongest colour marks a difference of 2.0 C (3.6 F).
Annual mean temperature at Naches Heights as warming stripes, 1913 to 1946
Year
Annual mean temperature
Difference from the station mean
1913
9.4 C
-0.34 C
1914
9.9 C
+0.12 C
1915
10.1 C
+0.31 C
1916
8.5 C
-1.29 C
1918
10.7 C
+0.97 C
1919
9.2 C
-0.60 C
1920
9.3 C
-0.49 C
1921
9.4 C
-0.32 C
1922
8.7 C
-1.04 C
1923
10.1 C
+0.37 C
1924
9.5 C
-0.31 C
1925
10.6 C
+0.87 C
1927
9.1 C
-0.67 C
1929
8.9 C
-0.85 C
1930
9.2 C
-0.61 C
1931
9.8 C
+0.07 C
1932
9.4 C
-0.41 C
1933
9.4 C
-0.35 C
1934
11.7 C
+1.97 C
1935
9.2 C
-0.57 C
1936
9.6 C
-0.12 C
1937
9.0 C
-0.76 C
1938
10.4 C
+0.62 C
1939
11.0 C
+1.21 C
1940
10.7 C
+0.95 C
1941
10.8 C
+1.00 C
1942
9.8 C
+0.02 C
1943
9.3 C
-0.46 C
1944
9.9 C
+0.16 C
1945
9.9 C
+0.17 C
1946
10.0 C
+0.28 C
The fitted trend in annual mean temperature here over 1913 to 1946 is 0.2 C (-0.1 to 0.5) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: 0.4 F (-0.1 to 0.8) per decade. The slope is a straight line fitted to 31 complete years; the brackets give its 95 percent interval.
Fitted temperature trends per decade at Naches Heights
Measure
Per decade (C)
Per decade (F)
Period
Complete years
Reading
Annual mean temperature
0.2 C (-0.1 to 0.5) per decade
0.4 F (-0.1 to 0.8) per decade
1913 to 1946
31
Not clearly different from zero
Mean daily maximum
0.1 C (-0.2 to 0.4) per decade
0.1 F (-0.4 to 0.6) per decade
1913 to 1946
31
Not clearly different from zero
Mean daily minimum
0.3 C (0.1 to 0.6) per decade
0.6 F (0.1 to 1.1) per decade
1913 to 1946
31
Rise
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
1910 to 1947
Yearly extremes at Naches Heights: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
39.4 C (102.9 F)
1928
36.1 C (97.0 F)
38
Coldest night (TNn)
-26.1 C (-15.0 F)
1919
-16.7 C (1.9 F)
38
Wettest day (Rx1day)
53.3 mm (2.1 in)
1925
20.6 mm (0.8 in)
38
Wettest five days (Rx5day)
64.1 mm (2.5 in)
1921
32.0 mm (1.3 in)
38
Longest dry spell (CDD)
148 days
1945
58 days
38
Hottest day (TXx)
The hottest day of the year at Naches Heights, 1910 to 1947. The record is 39.4 C (102.9 F) in 1928, marked on the chart; the median year is 36.1 C (97.0 F).
Hottest day (TXx) at Naches Heights by year
Year
Hottest day (TXx)
1910
36.1 C (97.0 F)
1911
38.3 C (100.9 F)
1912
35.6 C (96.1 F)
1913
37.2 C (99.0 F)
1914
35.6 C (96.1 F)
1915
35.6 C (96.1 F)
1916
35.6 C (96.1 F)
1917
37.2 C (99.0 F)
1918
37.8 C (100.0 F)
1919
37.8 C (100.0 F)
1920
36.1 C (97.0 F)
1921
34.4 C (93.9 F)
1922
38.3 C (100.9 F)
1923
35.0 C (95.0 F)
1924
37.8 C (100.0 F)
1925
37.2 C (99.0 F)
1926
36.7 C (98.1 F)
1927
36.1 C (97.0 F)
1928
39.4 C (102.9 F)
1929
36.1 C (97.0 F)
1930
35.0 C (95.0 F)
1931
36.1 C (97.0 F)
1932
33.9 C (93.0 F)
1933
35.6 C (96.1 F)
1934
36.1 C (97.0 F)
1935
37.8 C (100.0 F)
1936
36.1 C (97.0 F)
1937
33.9 C (93.0 F)
1938
37.2 C (99.0 F)
1939
38.9 C (102.0 F)
1940
33.9 C (93.0 F)
1941
38.9 C (102.0 F)
1942
37.2 C (99.0 F)
1943
34.4 C (93.9 F)
1944
36.1 C (97.0 F)
1945
36.7 C (98.1 F)
1946
36.7 C (98.1 F)
1947
36.7 C (98.1 F)
Coldest night (TNn)
The coldest night of the year at Naches Heights, 1910 to 1947. The record is -26.1 C (-15.0 F) in 1919, marked on the chart; the median year is -16.7 C (1.9 F).
Coldest night (TNn) at Naches Heights by year
Year
Coldest night (TNn)
1910
3.9 C (39.0 F)
1911
-14.4 C (6.1 F)
1912
-18.3 C (-0.9 F)
1913
-13.9 C (7.0 F)
1914
-18.3 C (-0.9 F)
1915
-16.7 C (1.9 F)
1916
-18.3 C (-0.9 F)
1917
-15.6 C (3.9 F)
1918
-13.9 C (7.0 F)
1919
-26.1 C (-15.0 F)
1920
-12.2 C (10.0 F)
1921
-13.9 C (7.0 F)
1922
-21.1 C (-6.0 F)
1923
-18.9 C (-2.0 F)
1924
-21.7 C (-7.1 F)
1925
-12.2 C (10.0 F)
1926
-17.8 C (0.0 F)
1927
-22.8 C (-9.0 F)
1928
-16.7 C (1.9 F)
1929
-22.2 C (-8.0 F)
1930
-23.3 C (-9.9 F)
1931
-15.0 C (5.0 F)
1932
-16.7 C (1.9 F)
1933
-24.4 C (-11.9 F)
1934
-6.1 C (21.0 F)
1935
-22.2 C (-8.0 F)
1936
-20.6 C (-5.1 F)
1937
-21.1 C (-6.0 F)
1938
-10.0 C (14.0 F)
1939
-14.4 C (6.1 F)
1940
-11.7 C (10.9 F)
1941
-8.9 C (16.0 F)
1942
-16.1 C (3.0 F)
1943
-21.7 C (-7.1 F)
1944
-12.8 C (9.0 F)
1945
-10.6 C (12.9 F)
1946
-10.0 C (14.0 F)
1947
-17.2 C (1.0 F)
Wettest day (Rx1day)
The wettest day of the year at Naches Heights, 1910 to 1947. The record is 53.3 mm (2.1 in) in 1925, marked on the chart; the median year is 20.6 mm (0.8 in).
Wettest day (Rx1day) at Naches Heights by year
Year
Wettest day (Rx1day)
1910
7.9 mm (0.31 in)
1911
27.2 mm (1.1 in)
1912
39.4 mm (1.6 in)
1913
20.8 mm (0.8 in)
1914
33.0 mm (1.3 in)
1915
24.4 mm (1.0 in)
1916
21.8 mm (0.9 in)
1917
26.4 mm (1.0 in)
1918
14.7 mm (0.6 in)
1919
20.3 mm (0.8 in)
1920
15.5 mm (0.6 in)
1921
51.1 mm (2.0 in)
1922
16.3 mm (0.6 in)
1923
47.8 mm (1.9 in)
1924
15.2 mm (0.6 in)
1925
53.3 mm (2.1 in)
1926
22.4 mm (0.9 in)
1927
25.9 mm (1.0 in)
1928
13.5 mm (0.5 in)
1929
17.5 mm (0.7 in)
1930
13.0 mm (0.5 in)
1931
24.4 mm (1.0 in)
1932
17.3 mm (0.7 in)
1933
18.0 mm (0.7 in)
1934
17.8 mm (0.7 in)
1935
8.1 mm (0.32 in)
1936
38.1 mm (1.5 in)
1937
24.9 mm (1.0 in)
1938
17.5 mm (0.7 in)
1939
11.9 mm (0.5 in)
1940
19.3 mm (0.8 in)
1941
12.4 mm (0.5 in)
1942
23.4 mm (0.9 in)
1943
32.8 mm (1.3 in)
1944
32.0 mm (1.3 in)
1945
16.8 mm (0.7 in)
1946
22.9 mm (0.9 in)
1947
18.0 mm (0.7 in)
Wettest five days (Rx5day)
The wettest five days of the year at Naches Heights, 1910 to 1947. The record is 64.1 mm (2.5 in) in 1921, marked on the chart; the median year is 32.0 mm (1.3 in).
Wettest five days (Rx5day) at Naches Heights by year
Year
Wettest five days (Rx5day)
1910
1.8 mm (0.07 in)
1911
33.6 mm (1.3 in)
1912
45.6 mm (1.8 in)
1913
20.8 mm (0.8 in)
1914
38.1 mm (1.5 in)
1915
38.1 mm (1.5 in)
1916
32.0 mm (1.3 in)
1917
34.3 mm (1.4 in)
1918
22.1 mm (0.9 in)
1919
28.9 mm (1.1 in)
1920
32.0 mm (1.3 in)
1921
64.1 mm (2.5 in)
1922
25.6 mm (1.0 in)
1923
59.5 mm (2.3 in)
1924
32.6 mm (1.3 in)
1925
54.3 mm (2.1 in)
1926
31.8 mm (1.3 in)
1927
35.3 mm (1.4 in)
1928
40.5 mm (1.6 in)
1929
23.3 mm (0.9 in)
1930
21.7 mm (0.9 in)
1931
33.6 mm (1.3 in)
1932
24.7 mm (1.0 in)
1933
25.4 mm (1.0 in)
1934
27.7 mm (1.1 in)
1935
14.7 mm (0.6 in)
1936
55.6 mm (2.2 in)
1937
28.5 mm (1.1 in)
1938
28.4 mm (1.1 in)
1939
21.1 mm (0.8 in)
1940
42.1 mm (1.7 in)
1941
23.9 mm (0.9 in)
1942
41.4 mm (1.6 in)
1943
44.9 mm (1.8 in)
1944
37.1 mm (1.5 in)
1945
29.6 mm (1.2 in)
1946
33.1 mm (1.3 in)
1947
29.5 mm (1.2 in)
Longest dry spell (CDD)
The longest dry spell of the year at Naches Heights, 1910 to 1947. The record is 148 days in 1945, marked on the chart; the median year is 58 days.
Longest dry spell (CDD) at Naches Heights by year
Year
Longest dry spell (CDD)
1910
37 days
1911
37 days
1912
47 days
1913
46 days
1914
55 days
1915
74 days
1916
112 days
1917
73 days
1918
35 days
1919
78 days
1920
43 days
1921
44 days
1922
73 days
1923
39 days
1924
83 days
1925
93 days
1926
48 days
1927
83 days
1928
52 days
1929
68 days
1930
59 days
1931
85 days
1932
62 days
1933
40 days
1934
56 days
1935
72 days
1936
60 days
1937
56 days
1938
69 days
1939
83 days
1940
48 days
1941
27 days
1942
66 days
1943
64 days
1944
42 days
1945
148 days
1946
55 days
1947
41 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
31 years with a frost
Across 31 years with a frost, the median last spring frost at Naches Heights falls on 25 April and the median first autumn frost on 28 October, which leaves a median of 186 days between them.
Fitted over all years, the growing season changes by +7.4 days per decade at this station.
Frost dates and growing season at Naches Heights
Measure
Median, all years
Earliest period
Recent period (1914 to 1946)
Recent against earliest
Fitted trend
Last spring frost
25 April
n/a
25 April
n/a
-6.4 days per decade
First autumn frost
28 October
n/a
29 October
n/a
+1.1 days per decade
Growing days
186 days
n/a
186 days
n/a
+7.4 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.
Rainfall Return Levels
31 years, 1913 to 1946
A day with at least 20.9 mm (0.8 in) of rain is expected about once in 2 years. A day with at least 69.0 mm (2.7 in) of rain is expected about once in 100 years.
Rainfall return levels at Naches Heights: the daily rain expected about once in a given number of years
Expected about once in
A day with at least
Note
2 years
20.9 mm (0.8 in)
5 years
30.4 mm (1.2 in)
10 years
37.9 mm (1.5 in)
25 years
48.9 mm (1.9 in)
50 years
58.3 mm (2.3 in)
Longer than the 31 years of record
100 years
69.0 mm (2.7 in)
Longer than the 31 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, 31 years of values from 1913 to 1946.
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: 53.3 mm (2.1 in) in 1925; 51.1 mm (2.0 in) in 1921; 47.8 mm (1.9 in) in 1923.
Download the Data
Data for Naches Heights standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Naches Heights 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.