Weather History for Grass Valley, CA

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Friday, February 1, 2013

  Actual Average (KBLU) Record (KBLU)
Temperature  
Mean Temperature 55 °F -  
Max Temperature 62 °F 42 °F 66 °F (1954)
Min Temperature 48 °F 30 °F 16 °F (1950)
Degree Days  
Heating Degree Days 10    
Growing Degree Days 5 (Base 50)    
Moisture  
Dew Point 31 °F    
Average Humidity 42    
Maximum Humidity 62    
Minimum Humidity 27    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.22 in    
Wind  
Wind Speed 3 mph (East)    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 01, 2013 Rise Set
Actual Time 7:10 AM PST 5:25 PM PST
Civil Twilight 6:42 AM PST 5:53 PM PST
Nautical Twilight 6:10 AM PST 6:25 PM PST
Astronomical Twilight 5:38 AM PST 6:56 PM PST
Moon 11:35 PM PST (2/1) 9:49 AM PST (2/1)
Length of Visible Light 11h 11m
Length of Day
10h 14m
Waning Gibbous, 69% of the Moon is Illuminated
Feb 1
Waning Gibbous
Feb 3
Last Quarter
Feb 9
New
Feb 17
First Quarter
Feb 25
Full

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 51.8 °F 32.0 °F 47% 30.23 in 10.0 mi ESE 3.5 mph - N/A   Clear
12:35 AM 50.0 °F 32.0 °F 50% 30.23 in 10.0 mi Calm Calm - N/A   Clear
12:55 AM 50.0 °F 32.0 °F 50% 30.22 in 10.0 mi ESE 4.6 mph - N/A   Clear
1:15 AM 50.0 °F 30.2 °F 47% 30.22 in 10.0 mi East 5.8 mph - N/A   Clear
1:35 AM 51.8 °F 28.4 °F 41% 30.23 in 10.0 mi East 4.6 mph - N/A   Clear
2:15 AM 50.0 °F 28.4 °F 43% 30.23 in 10.0 mi East 6.9 mph - N/A   Clear
2:35 AM 51.8 °F 26.6 °F 38% 30.22 in 10.0 mi East 5.8 mph - N/A   Clear
2:55 AM 51.8 °F 26.6 °F 38% 30.22 in 10.0 mi East 6.9 mph - N/A   Clear
3:15 AM 51.8 °F 26.6 °F 38% 30.21 in 10.0 mi East 8.1 mph - N/A   Clear
3:35 AM 53.6 °F 26.6 °F 35% 30.21 in 10.0 mi East 6.9 mph - N/A   Clear
3:55 AM 51.8 °F 26.6 °F 38% 30.21 in 10.0 mi East 6.9 mph - N/A   Clear
4:15 AM 51.8 °F 24.8 °F 35% 30.21 in 10.0 mi East 8.1 mph - N/A   Clear
4:35 AM 51.8 °F 24.8 °F 35% 30.21 in 10.0 mi East 6.9 mph - N/A   Clear
4:55 AM 51.8 °F 24.8 °F 35% 30.21 in 10.0 mi East 6.9 mph - N/A   Clear
5:15 AM 53.6 °F 24.8 °F 33% 30.21 in 10.0 mi ESE 6.9 mph - N/A   Clear
5:35 AM 51.8 °F 26.6 °F 38% 30.21 in 10.0 mi ESE 5.8 mph - N/A   Clear
5:55 AM 51.8 °F 26.6 °F 38% 30.21 in 10.0 mi ESE 5.8 mph - N/A   Clear
6:15 AM 51.8 °F 26.6 °F 38% 30.22 in 10.0 mi ESE 4.6 mph - N/A   Clear
6:35 AM 50.0 °F 26.6 °F 40% 30.22 in 10.0 mi ESE 4.6 mph - N/A   Clear
6:55 AM 50.0 °F 26.6 °F 40% 30.23 in 10.0 mi ESE 4.6 mph - N/A   Clear
7:15 AM 50.0 °F 26.6 °F 40% 30.23 in 10.0 mi Calm Calm - N/A   Clear
7:35 AM 50.0 °F 26.6 °F 40% 30.23 in 10.0 mi Calm Calm - N/A   Clear
8:15 AM 51.8 °F 26.6 °F 38% 30.24 in 10.0 mi ESE 4.6 mph - N/A   Clear
8:35 AM 53.6 °F 26.6 °F 35% 30.24 in 10.0 mi Calm Calm - N/A   Clear
8:55 AM 55.4 °F 28.4 °F 36% 30.25 in 10.0 mi Calm Calm - N/A   Clear
9:15 AM 55.4 °F 32.0 °F 41% 30.25 in 10.0 mi Calm Calm - N/A   Clear
9:35 AM 57.2 °F 32.0 °F 38% 30.25 in 10.0 mi Calm Calm - N/A   Clear
9:55 AM 57.2 °F 32.0 °F 38% 30.25 in 10.0 mi Calm Calm - N/A   Clear
10:15 AM 57.2 °F 32.0 °F 38% 30.24 in 10.0 mi Calm Calm - N/A   Clear
10:35 AM 59.0 °F 32.0 °F 36% 30.24 in 10.0 mi Calm Calm - N/A   Clear
10:55 AM 59.0 °F 32.0 °F 36% 30.24 in 10.0 mi Calm Calm - N/A   Clear
11:15 AM 59.0 °F 32.0 °F 36% 30.24 in 10.0 mi Calm Calm - N/A   Clear
11:35 AM 60.8 °F 32.0 °F 34% 30.24 in 10.0 mi Calm Calm - N/A   Clear
11:55 AM 62.6 °F 32.0 °F 32% 30.23 in 10.0 mi Calm Calm - N/A   Clear
12:15 PM 62.6 °F 28.4 °F 27% 30.22 in 10.0 mi Calm Calm - N/A   Clear
12:35 PM 62.6 °F 32.0 °F 32% 30.22 in 10.0 mi SW 5.8 mph - N/A   Clear
12:55 PM 60.8 °F 32.0 °F 34% 30.21 in 10.0 mi West 6.9 mph - N/A   Clear
1:15 PM 62.6 °F 33.8 °F 34% 30.21 in 10.0 mi West 4.6 mph - N/A   Clear
1:35 PM 62.6 °F 32.0 °F 32% 30.20 in 10.0 mi Calm Calm - N/A   Clear
1:55 PM 62.6 °F 32.0 °F 32% 30.19 in 10.0 mi NW 5.8 mph - N/A   Clear
2:15 PM 62.6 °F 32.0 °F 32% 30.19 in 10.0 mi Calm Calm - N/A   Clear
2:35 PM 62.6 °F 32.0 °F 32% 30.18 in 10.0 mi Calm Calm - N/A   Clear
2:55 PM 62.6 °F 35.6 °F 37% 30.18 in 10.0 mi Calm Calm - N/A   Clear
3:15 PM 62.6 °F 35.6 °F 37% 30.18 in 10.0 mi Calm Calm - N/A   Clear
3:35 PM 62.6 °F 35.6 °F 37% 30.18 in 10.0 mi WSW 4.6 mph - N/A   Clear
3:55 PM 60.8 °F 35.6 °F 39% 30.18 in 10.0 mi West 5.8 mph - N/A   Clear
4:15 PM 60.8 °F 35.6 °F 39% 30.19 in 10.0 mi WNW 6.9 mph - N/A   Clear
4:35 PM 59.0 °F 35.6 °F 42% 30.18 in 10.0 mi Calm Calm - N/A   Clear
4:55 PM 57.2 °F 35.6 °F 44% 30.19 in 10.0 mi WNW 4.6 mph - N/A   Clear
5:15 PM 57.2 °F 35.6 °F 44% 30.19 in 10.0 mi WNW 4.6 mph - N/A   Clear
5:35 PM 53.6 °F 37.4 °F 54% 30.19 in 10.0 mi Calm Calm - N/A   Clear
5:55 PM 51.8 °F 37.4 °F 58% 30.20 in 10.0 mi Calm Calm - N/A   Clear
6:15 PM 51.8 °F 32.0 °F 47% 30.20 in 10.0 mi NNE 4.6 mph - N/A   Clear
6:35 PM 48.2 °F 33.8 °F 58% 30.20 in 10.0 mi Calm Calm - N/A   Clear
6:55 PM 51.8 °F 32.0 °F 47% 30.21 in 10.0 mi Calm Calm - N/A   Clear
7:15 PM 51.8 °F 32.0 °F 47% 30.22 in 10.0 mi Calm Calm - N/A   Clear
7:35 PM 50.0 °F 32.0 °F 50% 30.23 in 10.0 mi Calm Calm - N/A   Clear
7:55 PM 51.8 °F 35.6 °F 54% 30.23 in 10.0 mi Calm Calm - N/A   Clear
8:15 PM 51.8 °F 35.6 °F 54% 30.24 in 10.0 mi Calm Calm - N/A   Clear
8:35 PM 50.0 °F 35.6 °F 58% 30.25 in 10.0 mi Calm Calm - N/A   Clear
8:55 PM 50.0 °F 37.4 °F 62% 30.26 in 10.0 mi Calm Calm - N/A   Clear
9:15 PM 50.0 °F 37.4 °F 62% 30.26 in 10.0 mi East 5.8 mph - N/A   Clear
9:35 PM 51.8 °F 37.4 °F 58% 30.26 in 10.0 mi Calm Calm - N/A   Clear
9:55 PM 50.0 °F 37.4 °F 62% 30.26 in 10.0 mi East 5.8 mph - N/A   Clear
10:15 PM 50.0 °F 35.6 °F 58% 30.26 in 10.0 mi East 4.6 mph - N/A   Clear
10:35 PM 50.0 °F 33.8 °F 54% 30.26 in 10.0 mi East 3.5 mph - N/A   Clear
10:55 PM 50.0 °F 32.0 °F 50% 30.26 in 10.0 mi Calm Calm - N/A   Clear
11:15 PM 50.0 °F 32.0 °F 50% 30.26 in 10.0 mi ESE 3.5 mph - N/A   Clear
11:35 PM 53.6 °F 33.8 °F 47% 30.25 in 10.0 mi East 5.8 mph - N/A   Clear
11:55 PM 53.6 °F 33.8 °F 47% 30.25 in 10.0 mi East 3.5 mph - N/A   Clear