WSU Mount Vernon Monthly Weather Records, 3 WNW, Skagit County, Latitude 48 26, Longitude 122 23, Elevation 14'
 
   
MEAS
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
AVG/TTL
Ambient Max, Daily Avg for Mo.
1948-1997 Mean
DEG F
44.2
48.4
52.0
56.9
63.4
68.0
72.6
73.0
68.2
59.1
50.4
45.3
58.5
Dry-1987
DEG F
45.9
48.6
56.7
59.9
64.7
70.6
71.8
74.8
70.5
63.5
52.9
44.1
60.3
Wet-1971
DEG F
43.2
46.5
48.4
56.8
63.0
63.4
71.1
76.7
63.5
56.1
49.8
41.2
56.6
 
Ambient Min, Daily Avg for Mo.
1948-1997 Mean
DEG F
32.9
35.0
36.8
39.5
44.3
48.5
50.5
50.5
46.9
42.1
37.8
34.5
41.6
Dry-1987
DEG F
35.5
38.4
40.0
41.6
45.0
48.2
51.1
49.4
46.6
36.8
42.5
34.1
42.4
Wet-1971
DEG F
34.3
35.9
34.9
38.9
43.1
47.3
48.7
51.9
45.1
41.0
40.8
30.8
41.1
 
Mean Temperature
1948-1997 Mean
DEG F
38.5
41.7
44.4
48.2
53.9
58.3
61.5
61.7
57.5
50.6
44.1
39.9
50.0
Dry-1987
DEG F
40.7
43.5
48.4
50.8
54.9
59.4
61.5
62.1
58.6
50.2
47.7
39.1
51.4
Wet-1971
DEG F
38.8
41.2
41.7
47.9
53.1
55.4
59.9
64.3
54.3
48.6
45.3
36.0
48.9
 
Rainfall Monthly Total
1948-1997 Mean
INCH
3.95
2.95
2.66
2.48
2.08
1.76
1.17
1.39
1.90
3.18
4.33
4.16
32.00
Dry-1987
INCH
2.90
2.03
1.65
2.59
2.36
0.90
1.01
0.54
0.84
0.83
2.04
3.02
20.71
Wet-1971
INCH
10.52
3.01
3.06
2.40
1.82
2.61
1.15
0.85
2.53
3.17
4.75
6.43
42.30
 
Bare Soil Temp @ 4"
Daily Avg for Mo.
1992-2001
DEG F
36.0
40.7
45.7
51.0
57.5
61.7
65.2
65.5
60.6
52.2
44.6
39.6
51.0
Dry-1987
DEG F
38.7
43.4
47.9
54.2
59.6
63.7
64.4
63.1
57.8
51.1
46.9
39.2
52.5
Wet-1971
DEG F
39.1
41.5
41.8
48.1
55.4
59.2
64.8
66.5
58.9
51.4
45.1
38.9
50.9
 
Solar Radiation, Daily Avg for Mo
1992-2001
LANGLEY
74
143
242
350
454
490
500
436
325
166
83
56
279
 
ETO Grass, Daily Avg
1992-2001
INCH
0.04
0.05
0.08
0.10
0.14
0.15
0.14
0.12
0.08
0.05
0.04
0.04
0.08
 
Max Daily Temp for Mo, Avg
1948-1997
DEG F
56.1
59.0
62.6
69.6
77.6
80.5
84.4
84.7
81.0
72.4
60.7
56.2
  
Max Daily Temp for Mo, Highest
1948-1997
DEG F
66.0
70.0
72.0
80.0
89.0
92.0
93.0
98.0
89.0
92.0
71.0
63.0
  
 
Min Daily Temp for Mo, Avg
1948-1997
DEG F
17.4
22.2
26.5
31.0
35.3
40.7
43.0
42.6
36.9
30.5
25.2
20.1
  
Min Daily Temp for Mo, Lowest
1948-1997
DEG F
-4.0
-2.0
9.0
25.0
28.0
32.0
38.0
36.0
32.0
24.0
6.0
-1.0
  
 
Max Daily Rainfall for Mo, Avg
1948-1997
INCH
0.85
0.66
0.57
0.58
0.61
0.59
0.53
0.59
0.67
0.74
0.90
0.95
  
Max Daily Rainfall for Mo, Highest
1948-1997
INCH
2.06
1.46
1.23
1.11
1.45
1.43
1.58
2.42
2.43
1.44
3.01
6.17
  
Ambient and Soil Monthly Mean Temps Rainfall Monthly Means Yearly Minimal Temperatures Long Term Weather Data in Local Counties
Evapotranspiration Monthly Means Daily Solar Radiation Monthly Means Risk of First Fall Freeze Risk of Last Spring Freeze
Click on Graph to see full size