Weather History for Portsmouth, NH

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Sunday, October 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 54 °F -  
Max Temperature 62 °F 56 °F 76 °F (1984)
Min Temperature 46 °F 38 °F 27 °F (1988)
Degree Days  
Heating Degree Days 11    
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 39 °F    
Average Humidity 58    
Maximum Humidity 91    
Minimum Humidity 31    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.80 in    
Wind  
Wind Speed 9 mph (WSW)    
Max Wind Speed 18 mph    
Max Gust Speed 30 mph    
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

Oct. 20, 2013 Rise Set
Actual Time 7:03 AM EDT 5:52 PM EDT
Civil Twilight 6:34 AM EDT 6:21 PM EDT
Nautical Twilight 6:01 AM EDT 6:54 PM EDT
Astronomical Twilight 5:28 AM EDT 7:26 PM EDT
Moon 6:55 PM EDT (10/20) 8:40 AM EDT (10/20)
Length of Visible Light 11h 46m
Length of Day
10h 49m
Full, 97% of the Moon is Illuminated
Oct 20
Full
Oct 26
Last Quarter
Nov 3
New
Nov 10
First Quarter
Nov 17
Full

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:58 AM 56.3 °F 44.1 °F 64% 29.73 in 10.0 mi South 8.1 mph - N/A   Overcast
1:33 AM 55.4 °F 42.8 °F 63% 29.71 in 10.0 mi SSE 5.8 mph - N/A   Overcast
1:43 AM 55.4 °F 42.8 °F 63% 29.71 in 10.0 mi South 5.8 mph - N/A   Overcast
1:52 AM 55.4 °F 42.8 °F 63% 29.71 in 10.0 mi South 5.8 mph - N/A   Light Drizzle
1:58 AM 55.4 °F 43.3 °F 64% 29.72 in 10.0 mi SSE 6.9 mph - 0.00 in   Light Drizzle
2:36 AM 53.6 °F 46.4 °F 77% 29.69 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
2:58 AM 53.2 °F 47.3 °F 80% 29.69 in 10.0 mi South 2.3 mph - 0.00 in   Overcast
3:58 AM 52.9 °F 48.7 °F 86% 29.68 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
4:58 AM 50.9 °F 46.9 °F 86% 29.68 in 10.0 mi SSW 5.8 mph - N/A   Clear
5:58 AM 49.6 °F 47.1 °F 91% 29.69 in 10.0 mi WSW 6.9 mph - N/A   Clear
6:58 AM 49.8 °F 46.9 °F 90% 29.70 in 10.0 mi WSW 4.6 mph - N/A   Clear
7:58 AM 51.3 °F 42.3 °F 71% 29.74 in 10.0 mi WSW 10.4 mph - N/A   Clear
8:58 AM 53.6 °F 40.6 °F 62% 29.76 in 10.0 mi WSW 12.7 mph - N/A   Clear
9:58 AM 56.1 °F 38.5 °F 52% 29.77 in 10.0 mi WNW 18.4 mph 25.3 mph N/A   Clear
10:58 AM 58.3 °F 36.0 °F 43% 29.79 in 10.0 mi WNW 18.4 mph 29.9 mph N/A   Clear
11:58 AM 59.7 °F 34.7 °F 39% 29.80 in 10.0 mi West 12.7 mph 24.2 mph N/A   Clear
12:58 PM 60.8 °F 32.2 °F 34% 29.80 in 10.0 mi West 16.1 mph 25.3 mph N/A   Clear
1:58 PM 62.4 °F 32.9 °F 33% 29.80 in 10.0 mi WNW 18.4 mph 24.2 mph N/A   Clear
2:58 PM 62.2 °F 31.3 °F 31% 29.82 in 10.0 mi West 13.8 mph 21.9 mph N/A   Partly Cloudy
3:58 PM 59.5 °F 32.0 °F 35% 29.84 in 10.0 mi WNW 12.7 mph 25.3 mph N/A   Clear
4:58 PM 58.3 °F 31.1 °F 36% 29.86 in 10.0 mi West 13.8 mph 21.9 mph N/A   Clear
5:58 PM 55.6 °F 30.7 °F 39% 29.89 in 10.0 mi West 15.0 mph 20.7 mph N/A   Clear
6:58 PM 53.1 °F 32.2 °F 45% 29.92 in 10.0 mi WSW 8.1 mph - N/A   Clear
7:58 PM 51.3 °F 32.7 °F 49% 29.94 in 10.0 mi West 6.9 mph - N/A   Clear
8:58 PM 49.3 °F 33.1 °F 54% 29.96 in 10.0 mi WSW 4.6 mph - N/A   Clear
9:58 PM 48.0 °F 33.4 °F 57% 29.98 in 10.0 mi SW 4.6 mph - N/A   Clear
10:58 PM 46.9 °F 34.2 °F 61% 29.99 in 10.0 mi WSW 9.2 mph - N/A   Clear
11:58 PM 46.8 °F 34.9 °F 63% 29.99 in 10.0 mi West 9.2 mph - N/A   Clear