Weather History for Seattle, WA

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Month of May, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 80 °F 64 °F 52 °F
Mean Temperature 68 °F 55 °F 48 °F
Min Temperature 55 °F 47 °F 39 °F
Degree Days  
Heating Degree Days (base 65) 17 10 0 298
Cooling Degree Days (base 65) 3 0 0 3
Growing Degree Days (base 50) 18 6 0 172
Dew Point  
Dew Point 56 °F 42 °F 22 °F
Precipitation  
Precipitation 0.73 in 0.08 in 0.00 in 2.05 in
Snowdepth - - - -
Wind  
Wind 26 mph 7 mph 0 mph
Gust Wind 32 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.54 in 30.11 in 29.61 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 23, 2012 Rise Set
Actual Time 5:22 AM PDT 8:49 PM PDT
Civil Twilight 4:45 AM PDT 9:27 PM PDT
Nautical Twilight 3:55 AM PDT 10:18 PM PDT
Astronomical Twilight 2:49 AM PDT 11:24 PM PDT
Moon 7:30 AM PDT (5/23) 11:13 PM PDT (5/23)
Length of Visible Light 16h 42m
Length of Day
15h 26m
Waxing Crescent, 7% of the Moon is Illuminated
May 23
Waxing Crescent
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter
Jun 19
New

Weather History Calendar

Precipitation Actual month total 2.05 Normal Month Total: 1.94
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
53 | 43 0.02
Average:
62 | 44 0.07
Mostly Cloudy
Actual:
56 | 42 0.02
Average:
62 | 45 0.06
Rain
Actual:
52 | 45 0.73
Average:
62 | 45 0.07
Rain
Actual:
54 | 43 0.07
Average:
62 | 45 0.06
Partly Cloudy
Actual:
56 | 41 0.00
Average:
63 | 45 0.07
Scattered Clouds
Actual:
64 | 41 0.00
Average:
63 | 45 0.07
Partly Cloudy
Actual:
75 | 43 0.00
Average:
63 | 46 0.06
Partly Cloudy
Actual:
65 | 49 0.00
Average:
63 | 46 0.06
Rain
Actual:
56 | 44 T
Average:
63 | 46 0.06
Partly Cloudy
Actual:
58 | 39 0.00
Average:
64 | 46 0.07
Clear
Actual:
65 | 40 0.00
Average:
64 | 46 0.06
Clear
Actual:
76 | 44 0.00
Average:
64 | 47 0.06
Scattered Clouds
Actual:
78 | 49 0.00
Average:
64 | 47 0.06
Scattered Clouds
Actual:
80 | 55 0.00
Average:
65 | 47 0.06
Partly Cloudy
Actual:
76 | 49 0.00
Average:
65 | 47 0.06
Partly Cloudy
Actual:
67 | 49 0.00
Average:
65 | 47 0.06
Partly Cloudy
Actual:
64 | 44 T
Average:
65 | 48 0.06
Mostly Cloudy
Actual:
60 | 46 T
Average:
65 | 48 0.06
Partly Cloudy
Actual:
67 | 45 0.00
Average:
65 | 48 0.06
Rain
Actual:
58 | 53 0.25
Average:
66 | 48 0.06
Rain
Actual:
62 | 50 0.55
Average:
66 | 48 0.06
Rain
Actual:
55 | 48 0.24
Average:
66 | 49 0.06
Rain
Actual:
58 | 48 0.01
Average:
66 | 49 0.06
Mostly Cloudy
Actual:
63 | 48 T
Average:
66 | 49 0.06
Thunderstorm
Actual:
72 | 48 T
Average:
66 | 49 0.06
Partly Cloudy
Actual:
72 | 48 0.00
Average:
67 | 49 0.07
Overcast
Actual:
63 | 53 0.00
Average:
67 | 49 0.06
Mostly Cloudy
Actual:
62 | 50 T
Average:
67 | 50 0.07
Mostly Cloudy
Actual:
61 | 46 0.00
Average:
67 | 50 0.06
Rain
Actual:
66 | 52 0.01
Average:
67 | 50 0.07
Rain
Actual:
64 | 54 0.15
Average:
67 | 50 0.06
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 53 48 43 40 38 37 83 69 54 30.00 29.97 29.93 10 10 9 26 14 32 0.02 Rain
2 56 49 42 40 37 34 89 68 46 30.04 29.96 29.79 10 10 10 12 6 15 0.02  
3 52 49 45 48 45 41 100 91 82 29.98 29.74 29.61 10 7 3 20 8 25 0.73 Rain
4 54 49 43 43 40 37 89 74 59 30.39 30.18 29.98 10 10 4 20 10 30 0.07 Rain
5 56 49 41 42 39 36 86 69 51 30.54 30.49 30.38 10 10 10 13 5 16 0.00  
6 64 53 41 43 39 34 92 63 34 30.53 30.47 30.40 10 10 7 13 5 17 0.00  
7 75 59 43 47 43 39 83 57 31 30.40 30.26 30.13 10 10 10 12 5 14 0.00  
8 65 57 49 48 44 36 83 68 52 30.19 30.15 30.12 10 10 10 22 7 26 0.00  
9 56 50 44 38 35 30 71 56 41 30.38 30.29 30.19 10 10 10 22 9 24 T Rain
10 58 49 39 36 31 22 76 53 30 30.47 30.41 30.36 10 10 10 16 7 20 0.00  
11 65 53 40 39 35 29 79 53 26 30.36 30.30 30.22 10 10 10 15 10 20 0.00  
12 76 60 44 43 39 35 76 50 23 30.25 30.20 30.14 10 10 10 13 8 16 0.00  
13 78 64 49 45 41 37 59 44 28 30.21 30.14 30.06 10 10 10 15 9 21 0.00  
14 80 68 55 47 42 35 61 42 23 30.09 30.05 30.01 10 10 10 15 8 18 0.00  
15 76 63 49 50 46 35 89 61 33 30.14 30.10 30.05 10 10 7 26 9 31 0.00  
16 67 58 49 45 40 30 64 50 36 30.12 30.09 30.06 10 10 10 22 8 28 0.00  
17 64 54 44 44 39 34 83 60 36 30.10 30.07 30.02 10 10 10 16 6 18 T  
18 60 53 46 41 38 36 71 57 43 30.22 30.17 30.11 10 10 10 14 7 17 T  
19 67 56 45 45 37 27 77 51 24 30.14 30.11 30.06 10 10 10 10 3 14 0.00  
20 58 56 53 55 49 37 93 74 55 30.05 30.03 29.97 10 8 5 9 3 13 0.25 Rain
21 62 56 50 56 52 46 93 86 78 29.94 29.88 29.83 10 8 4 20 9 26 0.55 Rain
22 55 52 48 49 46 43 93 82 71 29.97 29.94 29.90 10 9 4 18 11 25 0.24 Rain
23 58 53 48 47 44 42 86 74 61 30.04 30.01 29.93 10 10 10 21 14 29 0.01 Rain
24 63 56 48 43 41 38 80 63 46 30.01 29.90 29.83 10 10 10 18 7 24 T  
25 72 60 48 48 45 40 80 60 40 29.94 29.90 29.87 10 10 10 17 7 22 T Rain , Thunderstorm
26 72 60 48 50 47 44 83 62 41 29.99 29.92 29.88 10 10 10 20 8 23 0.00  
27 63 58 53 47 46 44 77 65 52 30.10 30.07 29.99 10 10 10 15 8 20 0.00  
28 62 56 50 49 45 41 83 66 48 30.16 30.11 30.05 10 10 10 18 8 23 T  
29 61 54 46 43 40 37 82 62 42 30.20 30.18 30.14 10 10 10 12 4 15 0.00  
30 66 59 52 51 44 40 77 61 44 30.29 30.23 30.18 10 10 6 10 3 14 0.01 Rain
31 64 59 54 56 54 51 100 86 72 30.17 30.13 30.02 10 8 1 15 6 20 0.15 Rain