Coastal Ocean Research and Monitoring Project
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Onslow Bay Coastal Climatology
Wilmington Airport - December
Frying Pan Tower - December
Mean Maximum Daily Temperature (°F)
60
Mean Daily Temperature (°F)
49.2
Mean Minimum Daily Temperature (°F)
38.3
Highest Recorded Temperature (°F)
82
Lowest Recorded Temperature (°F)
0
Days Maximum Temperature > 90°F
0
Days Maximum Temperature < 32°F
0
Days Minimum Temperature < 32°F
10
Days Minimum Temperature < 0°F
0
Mean Total Monthly Precipitation (inches)
3.83
Highest Total Monthly Precipitation (inches)
7.1
Minimum Total Monthly Precipitation (inches)
0.5
Maximum Daily Precipitation (inches)
3.8
Days with > 0.1” Precipitation
6
Days with > 1.0” Precipitation
1
Thunderstorm days
<1
Foggy Days
14
Predominant Sky Cover
Overcast
Prevailing Wind Direction
North
Prevailing Wind Speed (mph)
9
Maximum Wind Gust (mph)
55
Mean Air Temperature (°F)
57.74
Maximum Air Temperature (°F)
76.64
Minimum Air Temperature (°F)
24.98
Mean Sea Surface Temperature (°F)
69.26
Maximum Sea Surface Temperature (°F)
79.16
Minimum Sea Surface Temperature (°F)
54.86
Mean Sea Level Pressure (millibars)
1020.0
Maximum Sea Level Pressure (millibars)
1042.9
Minimum Sea Level Pressure (millibars)
988.4
Mean Windspeed (mph)
19.45
Maximum Windspeed (mph)
60.19
Minimum Windspeed (mph)
0
Mean Peak Wind Gust (mph)
21.87
Maximum Peak Wind Gust (mph)
69.39
Minimum Peak Wind Gust (mph)
0
Mean Wave Height (feet)
4.92
Maximum Wave Height (feet)
17.71
Minimum Wave Height (feet)
0.98
NOAA UNCW NCSU USC