Maryland Science Center, MD

11:04 PM EDT on October 18, 2019 (GMT -0400)
Maryland Science Center

Weather History for KDMH - September, 2019

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Saturday, September 21, 2019

  Actual Average Record
Temperature  
Mean Temperature 74 °F 70 °F  
Max Temperature 87 °F 78 °F 89 °F (2002)
Min Temperature 60 °F 62 °F 52 °F (1999)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 0 3  
Since 1 July heating degree days 0 3  
Cooling Degree Days 9 6  
Month to date cooling degree days 234 188  
Year to date cooling degree days 1879 1584  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 58 °F    
Average Humidity 61    
Maximum Humidity 78    
Minimum Humidity 44    
Precipitation  
Precipitation 0.00 in 0.13 in 1.29 in (2013)
Month to date precipitation 0.07 2.78  
Year to date precipitation 30.86 30.15  
Sea Level Pressure  
Sea Level Pressure 30.21 in    
Wind  
Wind Speed - (North)    
Max Wind Speed -    
Max Gust Speed -    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Sep. 21, 2019 Rise Set
Actual Time 6:52 AM EDT 7:05 PM EDT
Civil Twilight 6:26 AM EDT 7:32 PM EDT
Nautical Twilight 5:54 AM EDT 8:03 PM EDT
Astronomical Twilight 5:22 AM EDT 8:35 PM EDT
Moon 11:43 PM EDT (9/21) 1:54 PM EDT (9/21)
Length of Visible Light 13h 06m
Length of Day
12h 12m
Waning Gibbous, 55% of the Moon is Illuminated
Sep 21
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 66.0 °F - 54.0 °F 65% 30.24 in - North - - N/A   Unknown
1:54 AM 64.0 °F - 54.0 °F 70% 30.24 in - North - - N/A   Unknown
2:54 AM 63.0 °F - 55.0 °F 75% 30.25 in - North - - N/A   Unknown
3:54 AM 63.0 °F - 55.0 °F 75% 30.23 in - North - - N/A   Unknown
4:54 AM 61.0 °F - 54.0 °F 78% 30.23 in - North - - N/A   Unknown
5:54 AM 64.0 °F - 54.0 °F 70% 30.24 in - North - - N/A   Unknown
6:54 AM 61.0 °F - 54.0 °F 78% 30.25 in - North - - N/A   Unknown
7:54 AM 63.0 °F - 54.0 °F 72% 30.25 in - North - - N/A   Unknown
8:54 AM 68.0 °F - 55.9 °F 65% 30.26 in - North - - N/A   Unknown
9:54 AM 71.1 °F - 55.0 °F 57% 30.25 in - North - - N/A   Unknown
10:54 AM 77.0 °F - 57.9 °F 52% 30.25 in - North - - N/A   Unknown
11:54 AM 81.0 °F 81.3 °F 59.0 °F 47% 30.23 in - North - - N/A   Unknown
1:54 PM 84.9 °F 85.0 °F 61.0 °F 44% 30.19 in - North - - N/A   Unknown
2:54 PM 84.9 °F 85.0 °F 61.0 °F 44% 30.17 in - North - - N/A   Unknown
3:54 PM 84.9 °F 85.0 °F 61.0 °F 44% 30.17 in - North - - N/A   Unknown
4:54 PM 82.9 °F 83.2 °F 60.1 °F 46% 30.16 in - North - - N/A   Unknown
5:54 PM 81.0 °F 81.0 °F 57.0 °F 44% 30.16 in - North - - N/A   Unknown
6:54 PM 80.1 °F 81.2 °F 62.1 °F 54% 30.17 in - North - - N/A   Unknown
7:54 PM 79.0 °F - 59.0 °F 50% 30.17 in - North - - N/A   Unknown
8:54 PM 78.1 °F - 61.0 °F 56% 30.18 in - North - - N/A   Unknown
9:54 PM 77.0 °F - 61.0 °F 58% 30.19 in - North - - N/A   Unknown
10:54 PM 75.0 °F - 63.0 °F 66% 30.19 in - North - - N/A   Unknown
11:54 PM 75.0 °F - 63.0 °F 66% 30.20 in - North - - N/A   Unknown