Petaluma, CA

7:03 PM PST on December 08, 2019 (GMT -0800)
Petaluma

Weather History for KO69 - September, 2019

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Month of September, 2019

  Max Avg Min Sum
Temperature  
Max Temperature 98 °F 79 °F 44 °F
Mean Temperature 78 °F 65 °F 42 °F
Min Temperature 59 °F 52 °F 41 °F
Degree Days  
Heating Degree Days (base 65) 22 2 0 59
Cooling Degree Days (base 65) 12 3 0 76
Growing Degree Days (base 50) 28 16 0 423
Dew Point  
Dew Point 66 °F 53 °F 34 °F
Precipitation  
Precipitation 0.01 in 0.00 in 0.00 in 0.02 in
Snowdepth - - - -
Wind  
Wind 25 mph 4 mph 0 mph
Gust Wind 34 mph 18 mph 12 mph
Sea Level Pressure  
Sea Level Pressure 30.11 in 29.94 in 29.72 in

Monthly Weather History Graph

Monthly Weather History Graph

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Astronomy

Sep. 19, 2019 Rise Set
Actual Time 6:55 AM PDT 7:12 PM PDT
Civil Twilight 6:29 AM PDT 7:38 PM PDT
Nautical Twilight 5:58 AM PDT 8:09 PM PDT
Astronomical Twilight 5:26 AM PDT 8:41 PM PDT
Moon 10:29 PM PDT (9/19) 12:00 PM PDT (9/19)
Length of Visible Light 13h 09m
Length of Day
12h 16m
Waning Gibbous, 73% of the Moon is Illuminated
Sep 19
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full

Daily Weather History & Observations

2019 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 75 66 57 61 58 57 100 79 53 30.04 30.01 29.99 10.0 9.9 5.0 15 7 18 0.00  
2 80 66 53 61 57 54 100 84 45 30.11 30.06 30.03 10.0 6.5 0.2 13 3 16 0.00 Fog
3 71 63 55 61 57 55 100 88 60 30.05 30.01 29.94 10.0 7.9 1.8 22 5 30 0.00  
4 80 66 53 59 56 54 100 73 42 30.01 29.97 29.94 10.0 10.0 10.0 18 7 22 0.00  
5 78 66 53 59 56 54 100 79 42 29.98 29.92 29.86 10.0 9.7 5.0 23 6 30 0.00  
6 78 64 51 57 54 52 100 75 41 29.96 29.90 29.87 10.0 9.4 5.0 16 4 22 0.00  
7 86 68 50 57 53 48 100 70 27 30.08 30.02 29.95 10.0 9.6 8.0 15 2 16 0.00  
8 93 72 51 55 51 45 100 60 20 30.07 30.01 29.97 10.0 9.5 6.0 14 2 15 0.00  
9 96 74 53 55 51 43 94 56 16 30.03 29.97 29.93 10.0 9.0 4.0 16 1 18 0.00  
10 91 70 50 57 53 45 100 70 20 29.97 29.92 29.88 10.0 7.8 3.0 15 2 16 0.00  
11 77 65 53 64 58 54 100 85 44 29.90 29.87 29.82 9.0 7.1 2.5 22 4 29 0.00  
12 73 65 55 64 58 52 100 81 50 30.02 29.94 29.85 10.0 7.7 4.0 22 8 28 0.01  
13 78 63 48 63 53 43 100 77 29 30.08 30.03 29.98 9.0 7.8 6.0 20 6 28 0.00  
14 75 66 57 66 59 52 100 83 47 29.97 29.95 29.92 9.0 6.9 1.0 18 4 25 0.01  
15 77 64 50 57 53 48 100 83 36 29.98 29.96 29.94 8.0 6.9 5.0 8 4 - 0.00  
16 86 72 59 55 50 45 88 47 25 29.98 29.94 29.91 10.0 7.7 3.0 16 3 22 0.00  
17 89 70 50 55 50 43 100 63 21 29.99 29.93 29.89 9.0 6.4 4.0 17 3 23 0.00  
18 84 67 50 59 54 48 100 76 33 29.95 29.92 29.88 7.0 5.4 3.0 12 3 16 0.00  
19 87 68 50 59 53 46 100 67 27 30.00 29.96 29.91 10.0 7.0 1.0 15 2 15 0.00  
20 98 78 57 54 47 34 82 46 13 30.03 29.94 29.84 10.0 10.0 10.0 17 3 22 0.00  
21 96 76 57 57 53 48 77 50 22 29.84 29.78 29.72 10.0 10.0 9.0 14 2 18 0.00  
22 77 67 57 61 59 54 94 74 54 29.97 29.90 29.75 10.0 10.0 10.0 17 5 22 0.00  
23 64 58 53 63 58 54 100 95 72 29.96 29.90 29.79 10.0 7.6 1.2 12 8 16 0.00  
24 73 60 48 54 47 36 100 70 25 29.85 29.77 29.72 10.0 9.0 0.5 25 8 34 0.00  
25 68 55 42 55 45 39 100 72 35 29.96 29.91 29.86 10.0 9.8 3.0 20 6 26 0.00  
26 66 54 42 52 45 39 100 78 37 30.02 29.98 29.93 10.0 10.0 9.0 17 4 26 0.00  
27 44 42 41 45 42 41 100 100 100 29.98 29.98 29.97 10.0 10.0 10.0 0 0 - 0.00  
28 - - - - - - - - - - - - - - - - - - -  
29 - - - - - - - - - - - - - - - - - - -  
30 - - - - - - - - - - - - - - - - - - -