Grass Valley, CA

5:07 AM PDT on October 18, 2019 (GMT -0700)
Grass Valley

Weather History for KGOO - September, 2019

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Monday, September 16, 2019

  Actual Average (KAUN) Record (KAUN)
Temperature  
Mean Temperature 54 °F -  
Max Temperature 59 °F 83 °F 103 °F (1971)
Min Temperature 50 °F 57 °F 44 °F (2006)
Degree Days  
Heating Degree Days 10    
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 84    
Maximum Humidity 100    
Minimum Humidity 45    
Precipitation  
Precipitation 0.69 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 5 mph ()    
Max Wind Speed 12 mph    
Max Gust Speed 21 mph    
Visibility 7.2 miles    
Events Fog    
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Sep. 16, 2019 Rise Set
Actual Time 6:46 AM PDT 7:10 PM PDT
Civil Twilight 6:19 AM PDT 7:37 PM PDT
Nautical Twilight 5:47 AM PDT 8:09 PM PDT
Astronomical Twilight 5:15 AM PDT 8:41 PM PDT
Moon 8:48 PM PDT (9/16) 8:57 AM PDT (9/16)
Length of Visible Light 13h 18m
Length of Day
12h 24m
Waning Gibbous, 94% of the Moon is Illuminated
Sep 16
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 57.2 °F 39.2 °F 51% 29.90 in 10.0 mi SE 5.8 mph 11.5 mph N/A   Clear
12:35 AM 57.2 °F 39.2 °F 51% 29.89 in 10.0 mi SE 5.8 mph - N/A   Clear
12:55 AM 57.2 °F 37.4 °F 48% 29.89 in 10.0 mi SE 8.1 mph - N/A   Clear
1:15 AM 59.0 °F 37.4 °F 45% 29.88 in 10.0 mi SE 9.2 mph - N/A   Clear
1:35 AM 59.0 °F 37.4 °F 45% 29.89 in 10.0 mi SE 4.6 mph - N/A   Clear
1:50 AM 57.2 °F 37.4 °F 48% 29.89 in 10.0 mi Variable 4.6 mph 11.5 mph N/A   Clear
2:10 AM 57.2 °F 37.4 °F 48% 29.89 in 10.0 mi SE 5.8 mph - N/A   Clear
2:35 AM 57.2 °F 41.0 °F 55% 29.89 in 10.0 mi Variable 4.6 mph - N/A   Clear
2:55 AM 55.4 °F 42.8 °F 63% 29.89 in 10.0 mi Calm Calm - N/A   Clear
3:15 AM 55.4 °F 42.8 °F 63% 29.90 in 10.0 mi Calm Calm - N/A   Clear
3:35 AM 55.4 °F 46.4 °F 72% 29.90 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
3:50 AM 53.6 °F 50.0 °F 88% 29.91 in 10.0 mi Variable 5.8 mph - N/A   Overcast
4:15 AM 53.6 °F 51.8 °F 94% 29.90 in 2.0 mi ESE 6.9 mph - N/A   Overcast
4:35 AM 51.8 °F 51.8 °F 100% 29.90 in 1.2 mi ESE 8.1 mph - N/A   Overcast
4:55 AM 51.8 °F 51.8 °F 100% 29.91 in 1.0 mi ESE 9.2 mph - N/A   Overcast
5:15 AM 53.6 °F 51.8 °F 94% 29.90 in 5.0 mi ESE 9.2 mph - N/A   Mist
5:35 AM 53.6 °F 51.8 °F 94% 29.91 in 10.0 mi SE 6.9 mph - N/A   Overcast
5:55 AM 53.6 °F 51.8 °F 94% 29.90 in 10.0 mi ESE 5.8 mph - N/A   Overcast
6:15 AM 53.6 °F 51.8 °F 94% 29.90 in 10.0 mi Variable 4.6 mph - N/A   Overcast
6:35 AM 53.6 °F 51.8 °F 94% 29.90 in 10.0 mi SE 4.6 mph - N/A   Overcast
6:55 AM 55.4 °F 51.8 °F 88% 29.90 in 10.0 mi Variable 5.8 mph - N/A   Overcast
7:10 AM 55.4 °F 51.8 °F 88% 29.91 in 10.0 mi SSE 6.9 mph - N/A   Overcast
7:35 AM 53.6 °F 53.6 °F 100% 29.90 in 3.0 mi Variable 4.6 mph - N/A   Overcast
7:55 AM 53.6 °F 53.6 °F 100% 29.89 in 4.0 mi Variable 6.9 mph - 0.01 in   Overcast
8:15 AM 53.6 °F 53.6 °F 100% 29.87 in 0.5 mi SSE 11.5 mph 18.4 mph N/A Fog Fog
8:35 AM 55.4 °F 53.6 °F 94% 29.86 in 0.2 mi SSE 8.1 mph 18.4 mph N/A Fog Fog
8:55 AM 55.4 °F 53.6 °F 94% 29.87 in 0.5 mi Variable 3.5 mph - 0.21 in   Overcast
9:10 AM 53.6 °F 53.6 °F 100% 29.89 in 1.0 mi SW 10.4 mph - N/A   Overcast
9:35 AM 51.8 °F 51.8 °F 100% 29.90 in 3.0 mi WSW 9.2 mph 20.7 mph N/A   Overcast
9:55 AM 51.8 °F 50.0 °F 94% 29.90 in 1.8 mi WSW 8.1 mph 18.4 mph 0.36 in   Overcast
10:10 AM 50.0 °F 48.2 °F 94% 29.91 in 2.5 mi WSW 9.2 mph 15.0 mph N/A   Overcast
10:35 AM 50.0 °F 48.2 °F 94% 29.93 in 9.0 mi Variable 6.9 mph - N/A   Overcast
10:55 AM 50.0 °F 50.0 °F 100% 29.93 in 10.0 mi Variable 4.6 mph - 0.11 in   Overcast
11:15 AM 50.0 °F 50.0 °F 100% 29.95 in 10.0 mi Variable 4.6 mph - N/A   Overcast
11:35 AM 50.0 °F 50.0 °F 100% 29.95 in 3.0 mi Variable 5.8 mph - N/A   Overcast
11:55 AM 50.0 °F 50.0 °F 100% 29.96 in 1.5 mi Calm Calm - N/A   Overcast
12:15 PM 51.8 °F 50.0 °F 94% 29.97 in 7.0 mi Variable 5.8 mph - N/A   Overcast
12:35 PM 51.8 °F 50.0 °F 94% 29.97 in 10.0 mi Calm Calm - N/A   Overcast
12:55 PM 51.8 °F 51.8 °F 100% 29.98 in 10.0 mi Variable 4.6 mph - N/A   Overcast
1:15 PM 53.6 °F 50.0 °F 88% 29.99 in 10.0 mi ESE 8.1 mph - N/A   Overcast
1:35 PM 53.6 °F 50.0 °F 88% 29.99 in 10.0 mi ESE 6.9 mph - N/A   Overcast
1:55 PM 53.6 °F 50.0 °F 88% 29.99 in 10.0 mi Variable 6.9 mph 13.8 mph N/A   Overcast
2:15 PM 53.6 °F 50.0 °F 88% 30.00 in 10.0 mi Variable 4.6 mph 12.7 mph N/A   Overcast
2:35 PM 53.6 °F 50.0 °F 88% 30.00 in 10.0 mi Calm Calm - N/A   Overcast