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Gaithersburg - Montgomery County Airport
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D
a
t
e
Time
(edt)
Wind
(mph)
Vis.
(mi.)
WeatherSky Cond. Temperature (ºF)Relative
Humidity
Wind
Chill
(°F)
Heat
Index
(°F)
PressurePrecipitation (in.)
AirDwpt6 hour altimeter
(in)
sea level
(mb)
1 hr 3 hr6 hr
Max.Min.
1217:56NW 910.00OvercastOVC0756247 58%NANA29.931014.9
1216:56NW 1010.00OvercastOVC0756448 56%NANA29.911014.0
1215:56NW 14 G 2010.00OvercastSCT065 OVC0806349 60%NANA29.901013.9
1214:56NW 9 G 2310.00OvercastFEW041 BKN060 OVC0756046 60%NANA29.891013.7
1213:56NW 13 G 1710.00Mostly CloudyFEW043 BKN0706249 635062%NANA29.881013.10.010.01
1212:56NW 12 G 1810.00OvercastFEW039 OVC0806046 60%NANA29.881013.1
1211:56NW 14 G 2110.00OvercastFEW034 BKN055 OVC0705948 67%NANA29.871013.0
1210:56W 14 G 2310.00OvercastBKN036 BKN043 OVC0605746 67%NANA29.871012.7
1209:56W 14 G 2110.00Mostly CloudyFEW022 BKN029 BKN0365948 67%NANA29.851012.1
1208:56W 610.00FairCLR5652 87%NANA29.851012.2
1207:56W 510.00Partly CloudySCT0475050 5046100%48NA29.841011.90.010.07
1206:56Calm6.00 Fog/MistSCT0904747 100%NANA29.831011.8
1205:56SW 510.00 Light RainFEW022 BKN039 OVC0554848 100%46NA29.821011.30.06
1204:48Calm4.00 Fog/MistBKN006 OVC0954747 100%NANA29.811010.7
1203:56Calm8.00OvercastOVC0904747 100%NANA29.801010.5
1202:56Calm10.00OvercastOVC0904747 100%NANA29.801010.5
1201:56S 310.00OvercastBKN003 OVC1004847 534696%NANA29.811010.90.37
1200:56Calm10.00Mostly CloudyBKN1004747 100%NANA29.811011.00.04
1123:56Calm3.00 Thunderstorm Rain Fog/MistFEW012 BKN025 OVC0504746 97%NANA29.841011.90.33
1122:56SE 910.00Mostly CloudySCT040 SCT085 BKN1205151 100%NANA29.801010.4
1121:56SE 810.00Partly CloudyFEW037 SCT0605251 97%NANA29.821011.2
1120:56SE 710.00Mostly CloudyBKN0655252 100%NANA29.821011.1
1119:56Calm10.00Mostly CloudyBKN065 BKN0855352 665396%NANA29.821011.30.030.21
1118:56S 52.00 Rain Fog/MistSCT035 BKN055 OVC0655352 96%NANA29.831011.60.18
1117:56Vrbl 510.00 Light RainFEW047 BKN055 OVC0706046 60%NANA29.801010.4
1116:56SE 910.00 Light RainFEW033 OVC0856044 56%NANA29.781009.8
1115:56SE 910.00A Few CloudsFEW0496445 50%NANA29.781009.7
1114:56SE 910.00Partly CloudySCT0496545 49%NANA29.801010.6
1113:56S 610.00OvercastBKN045 OVC0606445 654750%NANA29.841011.7
1112:56Vrbl 310.00OvercastOVC0416044 56%NANA29.851012.1
1111:56Vrbl 310.00Mostly CloudyBKN0416246 56%NANA29.871012.6
1110:56SW 710.00FairCLR6145 56%NANA29.881013.2
1109:56SW 610.00FairCLR5645 67%NANA29.881013.3
1108:56Calm10.00Mostly CloudyBKN0375046 86%NANA29.891013.8
1107:56Calm10.00Mostly CloudyBKN0374747 4741100%NANA29.891013.6
1106:56Calm10.00OvercastOVC0374343 100%NANA29.891013.8
1105:56Calm0.50 FogSCT0354242 100%NANA29.871012.9
1104:56Calm8.00FairCLR4242 100%NANA29.861012.7
1103:56Calm10.00Mostly CloudyBKN0354544 97%NANA29.861012.7
1102:56Calm3.00 Fog/MistSCT037 BKN0804545 100%NANA29.871012.9
1101:56Calm10.00OvercastOVC0504747 5047100%NANA29.871013.2
1100:56Calm10.00OvercastFEW010 OVC0424847 96%NANA29.881013.4
1023:56Vrbl 510.00OvercastBKN011 OVC0354948 97%47NA29.871013.1
1022:56Calm10.00OvercastBKN013 OVC0214949 100%NANA29.851012.5
1021:56Vrbl 310.00OvercastFEW010 BKN015 OVC0394949 100%NANA29.841011.9
1020:56Vrbl 510.00OvercastSCT010 BKN032 OVC0444949 100%47NA29.821011.2
1019:56Vrbl 310.00OvercastFEW010 OVC0395050 5450100%NANA29.811010.70.010.09
1018:56NE 53.00 Light Rain Fog/MistBKN007 OVC0135151 100%NANA29.791010.00.01
1017:56Vrbl 54.00 Light Rain Fog/MistBKN007 BKN016 OVC0275151 100%NANA29.761009.10.02
1016:56Vrbl 37.00 Light RainBKN007 OVC0145353 100%NANA29.741008.50.010.05
1015:56Vrbl 33.00 Light Rain Fog/MistBKN007 OVC0205252 100%NANA29.731008.20.03
1014:56Calm2.00 Light Rain Fog/MistOVC0075352 96%NANA29.721007.90.01
1013:56Vrbl 65.00 Light Rain Fog/MistBKN009 OVC0145352 565396%NANA29.721007.70.020.18
1012:56Vrbl 54.00 Light Rain Fog/MistBKN007 OVC0145454 100%NANA29.721007.50.03
1011:56Vrbl 33.00 Light Rain Fog/MistOVC0055454 100%NANA29.691006.80.04
1010:56Vrbl 53.00 Light Rain Fog/MistOVC0075454 100%NANA29.701006.80.050.09
1009:56Vrbl 32.50 Light Rain Fog/MistOVC0075454 100%NANA29.671005.90.03
1008:56Vrbl 56.00 Light Rain Fog/MistOVC0075555 100%NANA29.641005.00.01
1007:56Vrbl 38.00 Light RainOVC0075555 5655100%NANA29.651005.0
1006:56Vrbl 310.00OvercastOVC0095555 100%NANA29.641004.8
1005:56Vrbl 310.00OvercastBKN011 OVC0325554 96%NANA29.621004.4
1004:56Vrbl 310.00OvercastOVC0095555 100%NANA29.641005.0
1003:56Vrbl 310.00OvercastFEW009 OVC0395554 96%NANA29.621004.2
1002:56Calm10.00OvercastOVC0485554 96%NANA29.641004.8
1001:56E 310.00Mostly CloudyBKN0555656 6256100%NANA29.651005.40.13
1000:56Vrbl 39.00Mostly CloudySCT065 BKN1105857 97%NANA29.671005.70.08
0923:56Calm10.00 Light RainBKN050 BKN0655959 100%NANA29.671005.70.05
0922:56Vrbl 510.00OvercastSCT020 OVC0506157 87%NANA29.661005.4
0921:56Calm10.00Mostly CloudyFEW019 BKN0606057 90%NANA29.671005.9
0920:56Calm10.00OvercastOVC0706257 84%NANA29.681006.2
0919:56Calm10.00OvercastBKN065 OVC0806256 716280%NANA29.691006.4
0918:56Vrbl 510.00Mostly CloudySCT060 BKN0756555 70%NANA29.681006.2
D
a
t
e
Time
(edt)
Wind
(mph)
Vis.
(mi.)
WeatherSky Cond. AirDwptMax.Min.Relative
Humidity
Wind
Chill
(°F)
Heat
Index
(°F)
altimeter
(in.)
sea level
(mb)
1 hr3 hr6 hr
6 hour
Temperature (ºF)PressurePrecipitation (in.)

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Last Modified: Febuary, 7 2012
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