Palo Alto, CA

11:35 AM PST on February 19, 2017 (GMT -0800)
Palo Alto Of Santa Clara County

Weather History for KPAO - September, 2015

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Month of September, 2015

  Max Avg Min Sum
Temperature  
Max Temperature 96 °F 81 °F 66 °F
Mean Temperature 78 °F 69 °F 62 °F
Min Temperature 66 °F 57 °F 50 °F
Degree Days  
Heating Degree Days (base 65) 2 0 0 3
Cooling Degree Days (base 65) 12 4 0 125
Growing Degree Days (base 50) 28 19 12 567
Dew Point  
Dew Point 66 °F 56 °F 37 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 23 mph 7 mph 0 mph
Gust Wind 25 mph 23 mph 22 mph
Sea Level Pressure  
Sea Level Pressure 30.09 in 29.90 in 29.69 in

Monthly Weather History Graph

Monthly Weather History Graph

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Astronomy

Sep. 14, 2015 Rise Set
Actual Time 6:49 AM PDT 7:17 PM PDT
Civil Twilight 6:23 AM PDT 7:44 PM PDT
Nautical Twilight 5:52 AM PDT 8:14 PM PDT
Astronomical Twilight 5:20 AM PDT 8:46 PM PDT
Moon 8:04 AM PDT (9/14) 8:07 PM PDT (9/14)
Length of Visible Light 13h 20m
Length of Day
12h 28m
New Moon, 2% of the Moon is Illuminated
Sep 14
New Moon
Sep 21
First Quarter
Sep 27
Full
Oct 4
Last Quarter
Oct 12
New

Daily Weather History & Observations

2015 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 78 66 55 63 58 52 88 68 47 29.92 29.88 29.84 20 14 10 17 7 - 0.00  
2 77 67 57 59 57 54 88 64 47 29.97 29.94 29.91 20 13 10 17 8 - 0.00  
3 75 67 59 54 52 48 82 57 38 29.95 29.90 29.84 20 15 10 23 7 - 0.00  
4 75 65 55 54 49 46 77 51 36 29.90 29.89 29.86 - - - 17 10 - 0.00  
5 82 75 66 50 47 41 52 37 28 29.99 29.96 29.92 10 10 10 17 6 22 0.00  
6 87 68 50 61 48 37 83 47 17 29.99 29.94 29.89 - - - 17 6 - 0.00  
7 93 72 50 59 51 39 76 44 15 29.93 29.87 29.84 - - - 13 6 - 0.00  
8 96 76 55 59 51 45 67 39 18 29.90 29.84 29.78 20 15 10 13 6 - 0.00  
9 96 78 59 63 55 46 63 44 18 29.88 29.83 29.77 10 10 10 15 6 - 0.00  
10 87 74 60 66 61 54 82 62 40 29.89 29.86 29.82 20 12 10 15 5 - 0.00  
11 84 73 62 63 60 54 100 64 35 29.94 29.91 29.85 10 10 10 13 7 - 0.00  
12 78 68 59 63 59 55 88 73 47 29.99 29.94 29.87 20 13 10 15 11 - 0.00  
13 78 71 64 64 61 57 83 72 57 29.89 29.77 29.73 20 11 10 15 11 - 0.00  
14 75 68 62 59 59 57 88 69 57 29.79 29.76 29.72 10 10 10 14 7 - 0.00  
15 73 66 59 61 50 45 88 58 36 29.93 29.91 29.90 10 10 10 17 10 25 0.00  
16 73 64 55 52 51 50 82 55 44 30.03 30.00 29.99 10 10 10 14 11 - 0.00  
17 75 66 57 59 56 54 94 69 47 30.09 30.04 29.98 10 10 10 17 8 - 0.00  
18 84 68 53 59 57 50 88 66 40 29.99 29.93 29.86 10 9 0 14 7 - 0.00  
19 86 68 51 64 59 50 94 63 40 29.89 29.83 29.77 10 10 10 12 5 - 0.00  
20 95 75 55 64 55 45 82 52 18 29.84 29.84 29.84 10 10 10 12 4 - 0.00  
21 93 78 62 66 58 50 73 51 24 29.80 29.75 29.69 20 17 10 13 6 - 0.00  
22 73 65 57 59 56 52 94 70 57 29.95 29.92 29.87 10 10 10 20 7 - 0.00  
23 80 65 50 59 55 48 94 63 45 30.03 29.97 29.91 20 17 10 12 6 - 0.00  
24 87 72 57 61 57 50 82 58 27 29.98 29.91 29.84 10 10 10 12 7 - 0.00  
25 80 68 57 59 54 50 82 53 39 29.93 29.91 29.89 10 10 10 20 8 - 0.00  
26 77 67 57 63 59 54 88 71 54 29.98 29.89 29.82 10 10 10 15 8 - 0.00  
27 75 65 55 63 60 54 94 76 61 29.85 29.82 29.78 10 10 10 13 6 - 0.00  
28 73 66 60 61 59 52 88 76 53 29.92 29.89 29.87 10 10 10 22 10 - 0.00  
29 69 64 60 57 56 54 82 73 60 30.02 29.98 29.95 20 13 10 13 7 - 0.00  
30 66 62 59 59 58 54 88 83 78 30.03 29.98 29.92 10 10 10 10 4 - 0.00