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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.
1116:56W 13 G 1810.00Mostly CloudyBKN0808467 57%NA8729.741007.7
1115:56NW 15 G 2310.00A Few CloudsFEW0808566 53%NA8729.731007.5
1114:56W 14 G 228.00FairCLR8667 53%NA8929.741007.7
1113:56W 16 G 2010.00Partly CloudyFEW055 SCT0708567 867555%NA8829.751008.1
1112:56W 610.00 Light RainFEW035 SCT060 OVC0907971 77%NA8229.771008.8
1111:56W 810.00Mostly CloudyFEW040 BKN1008371 67%NA8829.771008.8
1110:56SW 910.00OvercastSCT027 BKN034 OVC0958271 69%NA8629.771008.9
1109:56SW 310.00Partly CloudyFEW070 SCT0858272 72%NA8729.761008.6
1108:56SW 510.00Mostly CloudyBKN0658073 79%NA8429.761008.5
1107:56Calm10.00FairCLR7573 767194%NANA29.751008.10.01
1106:56Calm7.00FairCLR7272 100%NANA29.741007.70.01
1105:56W 37.00FairCLR7171 100%NANA29.741007.8
1104:56W 39.00OvercastOVC0037372 96%NANA29.731007.4
1103:56NW 38.00A Few CloudsFEW0037271 97%NANA29.741007.7
1102:56W 39.00A Few CloudsFEW0857271 97%NANA29.751008.0
1101:56Calm10.00FairCLR7271 817297%NANA29.761008.30.25
1100:56Calm9.00Partly CloudySCT1207271 97%NANA29.771008.90.14
1023:56Calm9.00 RainSCT040 BKN047 OVC0557371 94%NANA29.791009.60.11
1022:56Calm10.00Mostly CloudyBKN060 BKN0757670 82%NA7729.781009.3
1021:56Calm10.00Partly CloudySCT0657570 84%NANA29.791009.7
1020:56Calm10.00FairCLR7771 82%NA7929.791009.6
1019:56Calm10.00FairCLR8171 868172%NA8529.771009.1
1018:56Calm10.00FairCLR8470 63%NA8829.781009.1
1017:56Calm10.00FairCLR8470 63%NA8829.791009.5
1016:56Calm10.00A Few CloudsFEW0348572 65%NA9129.801009.7
1015:56Vrbl 310.00Mostly CloudySCT034 SCT045 BKN0558371 67%NA8829.811010.3
1014:56Vrbl 510.00Partly CloudyFEW034 SCT0468472 67%NA9029.831010.7
1013:56Vrbl 310.00Partly CloudySCT0298572 857365%NA9129.841011.2
1012:56Vrbl 610.00Mostly CloudyFEW026 BKN035 BKN0418372 70%NA8829.871012.3
1011:56Vrbl 310.00OvercastSCT020 BKN033 OVC0428273 74%NA8729.891012.9
1010:56Vrbl 510.00OvercastSCT017 OVC0248072 76%NA8429.891012.9
1009:56Vrbl 510.00OvercastBKN017 BKN021 OVC0267871 79%NA8029.901013.1
1008:56Vrbl 310.00A Few CloudsFEW0277671 85%NA7729.911013.5
1007:56Calm10.00A Few CloudsFEW0087371 737094%NANA29.911013.7
1006:56Calm10.00A Few CloudsFEW0067270 94%NANA29.911013.5
1005:56Vrbl 510.00FairCLR7270 94%NANA29.921013.9
1004:56Vrbl 310.00FairCLR7170 96%NANA29.931014.4
1003:56Calm9.00FairCLR7069 97%NANA29.951014.8
1002:56Calm10.00FairCLR7169 94%NANA29.951015.2
1001:56Calm10.00A Few CloudsFEW0147270 837294%NANA29.971015.6
1000:56Calm10.00FairCLR7470 88%NANA29.971015.9
0923:56Calm10.00FairCLR7570 84%NANA29.971015.7
0922:56E 310.00FairCLR7669 79%NA7729.951015.0
0921:56Calm8.00FairCLR7769 77%NA7929.941014.7
0920:56E 310.00FairCLR8070 71%NA8329.941014.7
0919:56Vrbl 310.00FairCLR8270 898267%NA8629.951014.8
0918:56Vrbl 510.00Partly CloudyFEW042 SCT0558671 61%NA9129.951015.0
0917:56Calm10.00Mostly CloudySCT045 BKN0608671 61%NA9129.961015.3
0916:56SE 810.00A Few CloudsFEW0498869 54%NA9329.971015.4
0915:56SE 810.00A Few CloudsFEW0448870 55%NA9329.981016.0
0914:56SE 910.00A Few CloudsFEW0428871 57%NA9429.981016.0
0913:56SE 1010.00Partly CloudySCT0428568 877457%NA8829.991016.4
0912:56Calm10.00Partly CloudySCT0388770 57%NA9230.011016.8
0911:56Calm10.00Mostly CloudyBKN0348470 63%NA8830.011017.0
0910:56SE 910.00Partly CloudySCT0278471 65%NA8930.021017.3
0909:56Vrbl 310.00Partly CloudySCT0218172 74%NA8530.021017.4
0908:56Calm10.00Partly CloudySCT0137872 82%NA8030.031017.6
0907:56Calm10.00OvercastSCT007 OVC0137472 746794%NANA30.021017.4
0906:56Calm9.00FairCLR6968 96%NANA30.011017.0
0905:56Calm7.00FairCLR6968 96%NANA29.981016.1
0904:56Calm6.00 Fog/MistCLR6867 96%NANA29.971015.8
0903:56SE 510.00FairCLR7068 93%NANA29.981015.8
0902:56Calm10.00FairCLR6968 96%NANA29.991016.2
0901:56Calm10.00FairCLR7168 836990%NANA29.981015.9
0900:56Calm10.00FairCLR7067 90%NANA29.971015.5
0823:56SE 310.00FairCLR7466 76%NANA29.971015.7
0822:56SE 310.00FairCLR7466 76%NANA29.981016.1
0821:56Calm10.00FairCLR7566 74%NANA29.991016.4
0820:56Calm10.00FairCLR7869 74%NA8029.981015.8
0819:56SE 1010.00FairCLR8370 918365%NA8729.961015.2
0818:56SE 1010.00FairCLR8571 63%NA9029.951014.8
0817:56Vrbl 610.00FairCLR8870 55%NA9329.951014.9
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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