San Jose, Costa Rica

2:44 AM CST on December 17, 2017 (GMT -0600)
Juan Santamaria International

Weather History for MROC - December, 1999

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Friday, December 31, 1999

  Actual Average Record
Temperature  
Mean Temperature 72 °F -  
Max Temperature 82 °F 80 °F 86 °F (2002)
Min Temperature 62 °F 63 °F 59 °F (2005)
Cooling Degree Days 7    
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 60 °F    
Average Humidity 68    
Maximum Humidity 83    
Minimum Humidity 51    
Precipitation  
Precipitation 0.00 in 0.01 in - ()
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 10 mph ()    
Max Wind Speed 22 mph    
Max Gust Speed -    
Visibility 6.2 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

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Daily Weather History Graph

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Date:

Astronomy

Dec. 31, 1999 Rise Set
Actual Time 5:53 AM CST 5:26 PM CST
Civil Twilight 5:30 AM CST 5:49 PM CST
Nautical Twilight 5:04 AM CST 6:15 PM CST
Astronomical Twilight 4:37 AM CST 6:41 PM CST
Moon 12:58 AM CST (12/31) 1:09 PM CST (12/31)
Length of Visible Light 12h 18m
Length of Day
11h 33m
Waning Crescent, 29% of the Moon is Illuminated
Dec 31
Waning Crescent
Jan 6
New
Jan 14
First Quarter
Jan 20
Full
Jan 28
Last Quarter

Hourly Weather History & Observations

Time (CST) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:00 AM 62.6 °F - 57.2 °F 82% 30.01 in - East 8.1 mph - N/A   Clear
1:00 AM 62.6 °F - 57.2 °F 82% 29.99 in - East 10.4 mph - N/A   Clear
2:00 AM 62.6 °F - 57.2 °F 82% 29.98 in - East 9.2 mph - N/A   Clear
3:00 AM 62.6 °F - 57.2 °F 82% 29.96 in - East 9.2 mph - N/A   Clear
6:00 AM 62.6 °F - 57.2 °F 82% 29.97 in - East 10.4 mph - N/A   Clear
7:00 AM 68.0 °F - 59.0 °F 73% - - ESE 16.1 mph - N/A   Clear
8:00 AM 69.8 °F - 59.0 °F 68% - - East 15.0 mph - N/A   Clear
9:00 AM 73.4 °F - 60.8 °F 65% - - ESE 16.1 mph - N/A   Clear
10:00 AM 77.0 °F - 59.0 °F 54% - - East 21.9 mph - N/A   Clear
11:00 AM 78.8 °F - 60.8 °F 54% - - East 13.8 mph - N/A   Clear
12:00 PM 80.6 °F 81.5 °F 60.8 °F 51% - - East 11.5 mph - N/A   Clear
1:00 PM 82.4 °F 83.4 °F 62.6 °F 51% - 6.2 mi ESE 12.7 mph - N/A   Partly Cloudy
2:00 PM 80.6 °F 81.8 °F 62.6 °F 54% - 6.2 mi ESE 16.1 mph - N/A   Partly Cloudy
3:00 PM 78.8 °F - 62.6 °F 57% - 6.2 mi SSE 10.4 mph - N/A   Partly Cloudy
4:00 PM 77.0 °F - 60.8 °F 57% - - SE 16.1 mph - N/A   Clear
5:00 PM 73.4 °F - 60.8 °F 65% - 6.2 mi ESE 12.7 mph - N/A   Partly Cloudy
6:00 PM 69.8 °F - 64.4 °F 83% - 6.2 mi NW 4.6 mph - N/A   Partly Cloudy
7:00 PM 68.0 °F - 60.8 °F 78% - 6.2 mi SSE 4.6 mph - N/A   Scattered Clouds
8:00 PM 69.8 °F - 59.0 °F 68% - 6.2 mi East 4.6 mph - N/A   Scattered Clouds
9:00 PM 68.0 °F - 59.0 °F 73% 30.00 in - East 8.1 mph - N/A   Clear
10:00 PM 68.0 °F - 59.0 °F 73% 30.00 in - East 9.2 mph - N/A   Clear