Petaluma, CA

1:14 PM PST on February 21, 2018 (GMT -0800)
Petaluma

Weather History for KO69 - May, 2012

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Month of May, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 82 °F 69 °F 53 °F
Mean Temperature 62 °F 56 °F 48 °F
Min Temperature 51 °F 44 °F 37 °F
Degree Days  
Heating Degree Days (base 65) 16 9 3 256
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 12 7 0 196
Dew Point  
Dew Point 59 °F 46 °F 36 °F
Precipitation  
Precipitation 0.02 in 0.00 in 0.00 in 0.02 in
Snowdepth - - - -
Wind  
Wind 26 mph 6 mph 0 mph
Gust Wind 37 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.24 in 30.01 in 29.74 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 18, 2012 Rise Set
Actual Time 5:56 AM PDT 8:17 PM PDT
Civil Twilight 5:26 AM PDT 8:47 PM PDT
Nautical Twilight 4:49 AM PDT 9:24 PM PDT
Astronomical Twilight 4:09 AM PDT 10:05 PM PDT
Moon 4:27 AM PDT (5/18) 6:32 PM PDT (5/18)
Length of Visible Light 15h 21m
Length of Day
14h 21m
Waning Crescent, 4% of the Moon is Illuminated
May 18
Waning Crescent
May 20
New
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter

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 64 52 41 48 44 41 100 74 52 29.95 29.92 29.87 10 9 4 18 7 23 0.00  
2 64 50 37 45 41 36 100 74 45 30.00 29.95 29.90 10 10 9 16 4 23 0.00  
3 60 52 44 54 49 41 100 87 72 30.11 30.04 29.97 10 9 2 15 5 20 0.00  
4 62 54 46 50 45 41 94 72 52 30.23 30.16 30.11 10 10 8 21 9 25 0.00  
5 71 54 37 48 43 36 93 63 31 30.24 30.16 30.07 10 10 9 15 5 22 0.00  
6 78 60 42 50 44 39 87 58 27 30.09 30.05 30.01 10 10 7 14 5 18 0.00  
7 82 62 41 50 46 41 100 65 26 30.04 30.01 29.96 10 8 2 13 3 17 0.00  
8 80 60 41 59 48 39 100 69 32 29.99 29.95 29.92 10 9 2 12 3 17 0.00  
9 75 58 41 57 48 39 100 73 44 29.97 29.93 29.89 10 8 3 10 3 16 0.00  
10 75 57 39 54 43 37 93 64 27 29.94 29.90 29.85 10 9 5 14 3 21 0.00  
11 82 62 41 59 46 39 100 66 32 29.99 29.93 29.88 10 8 5 13 3 18 0.00  
12 73 60 46 57 49 45 100 82 49 30.07 30.04 29.99 10 6 0 17 5 23 0.00  
13 64 56 48 52 48 46 100 80 63 30.11 30.08 30.05 10 9 5 13 6 20 0.00  
14 66 57 48 50 48 46 100 76 52 30.11 30.09 30.06 10 10 2 14 4 20 0.00  
15 64 56 48 52 49 46 100 86 59 30.08 30.05 30.02 10 8 2 15 8 18 0.00  
16 55 52 48 50 48 48 100 95 77 30.06 30.04 30.02 10 6 2 8 4 - 0.00  
17 - - - - - - - - - - - - - - - - - - -  
18 75 60 46 48 45 41 82 57 35 29.98 29.95 29.93 10 9 6 15 8 23 0.00  
19 75 56 37 54 44 37 100 66 38 30.00 29.97 29.94 10 9 5 12 3 16 0.00  
20 53 48 44 45 41 39 87 77 67 29.99 29.98 29.97 10 10 7 5 3 - 0.00  
21 64 58 51 55 53 48 94 81 68 30.11 30.09 30.07 10 9 3 17 13 25 0.00  
22 68 59 50 55 51 46 100 76 49 30.14 30.11 30.06 10 8 0 21 9 26 0.00  
23 69 58 48 48 47 43 94 66 46 30.06 29.99 29.92 10 10 4 21 12 28 0.00  
24 68 57 46 48 44 41 82 64 46 29.93 29.83 29.74 10 10 8 26 12 37 0.00  
25 66 56 46 50 43 37 94 67 39 29.85 29.77 29.74 10 10 4 18 10 25 0.02  
26 66 54 41 50 46 41 100 76 52 30.09 29.94 29.85 10 10 3 17 5 22 0.00  
27 68 54 41 54 46 41 100 78 56 30.16 30.12 30.08 10 10 4 14 3 21 0.00  
28 64 54 44 50 47 41 100 78 55 30.09 30.06 30.02 10 10 2 16 5 23 0.00  
29 71 56 41 54 47 39 100 75 49 30.08 30.05 30.03 10 10 5 13 3 17 0.00  
30 78 60 41 57 48 39 100 73 42 30.11 30.07 30.03 10 9 2 13 3 20 0.00  
31 82 62 42 57 50 41 100 70 37 30.05 29.96 29.87 10 9 4 15 3 17 0.00