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Half Moon Bay Airport
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imperial
D
a
t
e
Time
(pdt)
Wind
(kph)
Vis.
(km)
WeatherSky Cond. Temperature (ºC)Relative
Humidity
Wind
Chill
(°C)
Heat
Index
(°C)
PressurePrecipitation (cm)
AirDwpt6 hour altimeter
(cm)
sea level
(mb)
1 hr 3 hr6 hr
Max.Min.
2203:15S 246 Fog/MistBKN008 OVC0191515 100%NANA76.1NA
2202:55S 21 G 3211OvercastFEW010 OVC0221515 100%NANA76.15NA
2202:35S 2911OvercastOVC0241515 100%NANA76.15NA
2202:15S 2611OvercastOVC0241515 100%NANA76.17NA
2201:55S 1910 Fog/MistOVC0231515 100%NANA76.17NA
2201:35S 1911OvercastOVC0211515 100%NANA76.2NA
2201:15S 2111OvercastOVC0221515 100%NANA76.23NA
2200:55S 1411OvercastOVC0231515 100%NANA76.23NA
2200:35S 1610 Fog/MistFEW003 BKN024 OVC0321515 100%NANA76.23NA
2200:15SE 1410 Fog/MistSCT026 OVC0321515 100%NANA76.25NA
2123:55S 1410 Fog/MistOVC0261515 100%NANA76.28NA
2123:35S 14 G 2410 Fog/MistFEW005 OVC0271515 100%NANA76.3NA
2123:15SE 238 Fog/MistBKN003 OVC0291515 100%NANA76.3NA
2122:55S 165 Fog/MistOVC0031515 100%NANA76.35NA
2122:35S 161 Fog/MistOVC0031515 100%NANA76.35NA
2122:15S 146 Fog/MistOVC0031515 100%NANA76.35NA
2121:55S 163 Fog/MistOVC0031515 100%NANA76.35NA
2121:35S 190 FogOVC0021515 100%NANA76.35NA
2121:15S 231 Fog/MistOVC00416.115 94%NANA76.35NA
2120:55S 168 Fog/MistOVC00516.116.1 100%NANA76.35NA
2120:35S 16 G 278 Fog/MistOVC0051515 100%NANA76.35NA
2120:15S 218 Fog/MistOVC0051515 100%NANA76.33NA
2119:55S 138 Fog/MistOVC0061515 100%NANA76.35NA
2119:35S 1310 Fog/MistOVC00516.116.1 100%NANA76.35NA
2119:15S 146 Fog/MistOVC00516.116.1 100%NANA76.33NA
2118:55S 145 Fog/MistOVC0051515 100%NANA76.33NA
2118:35S 115 Fog/MistOVC0061515 100%NANA76.33NA
2118:15S 146 Fog/MistOVC00616.116.1 100%NANA76.35NA
2117:55SE 136 Fog/MistOVC0051515 100%NANA76.35NA
2117:35S 196 Fog/MistOVC00416.115 94%NANA76.38NA
2117:15S 166 Fog/MistOVC00516.116.1 100%NANA76.38NA
2116:55S 215 Fog/MistOVC00416.116.1 100%NANA76.4NA
2116:35S 198 Fog/MistOVC00516.116.1 100%NANA76.4NA
2116:15S 196 Fog/MistOVC00516.116.1 100%NANA76.43NA
2115:55S 235 Fog/MistOVC00516.116.1 100%NANA76.43NA
2115:35S 234 Fog/MistOVC00516.116.1 100%NANA76.43NA
2115:15S 23 G 342 Fog/MistBKN003 OVC00716.116.1 100%NANA76.43NA
2114:55S 231 FogBKN003 BKN008 BKN01316.116.1 100%NANA76.43NA
2114:35S 23 G 320 FogBKN003 BKN01316.116.1 100%NANA76.43NA
2114:15S 24 G 351 Fog/MistBKN003 OVC01316.116.1 100%NANA76.43NA
2113:55S 29 G 391 Fog/MistBKN004 OVC01316.116.1 100%NANA76.45NA
2113:35S 262 Fog/MistSCT004 OVC01417.216.1 94%NANA76.45NA
2113:15S 293 Fog/MistOVC01317.216.1 94%NANA76.45NA
2112:55S 348 Fog/Mist and BreezyOVC01217.216.1 94%NANA76.48NA
2112:35S 276 Fog/MistOVC01317.217.2 100%NANA76.45NA
2112:15S 26 G 395 Fog/MistOVC01216.116.1 100%NANA76.48NA
2111:55SW 21 G 346 Fog/MistOVC01216.116.1 100%NANA76.48NA0.05
2111:35S 24 G 344 Fog/MistBKN01416.116.1 100%NANA76.48NA0.05
2111:15S 212 Fog/MistBKN003 BKN01316.116.1 100%NANA76.48NA0.05
2110:55S 231 Fog/MistOVC00316.116.1 100%NANA76.48NA0.05
2110:35S 131 Fog/MistOVC0021515 100%NANA76.5NA
2110:15SE 111 Light Rain Fog/MistOVC0021515 100%NANA76.5NA
2109:55S 111 FogOVC0031515 100%NANA76.5NA0.1
2109:35S 161 Light Rain FogOVC0031515 100%NANA76.5NA0.23
2109:15S 161 Light Rain Fog/MistOVC0031515 100%NANA76.5NA0.23
2108:55S 212 Light Rain Fog/MistBKN003 BKN007 OVC0121515 100%NANA76.48NA0.23
2108:35S 23 G 341 FogOVC0031515 100%NANA76.45NA
2108:15S 211 Rain Fog/MistOVC0021515 100%NANA76.45NA
2107:55S 161 Light Rain FogOVC0021515 100%NANA76.43NA0.25
2107:35S 190 Light Rain FogOVC0031515 100%NANA76.4NA0.03
2107:15S 160 Rain FogOVC0031515 100%NANA76.4NA0.03
2106:55S 141 Fog/MistOVC0031515 100%NANA76.38NA0.03
2106:35S 161 Fog/MistOVC0031515 100%NANA76.38NA
2106:15S 192 Fog/MistOVC0031515 100%NANA76.38NA
2105:55S 212 Fog/MistOVC00316.115 94%NANA76.35NA0.03
2105:35S 161 FogOVC0031515 100%NANA76.35NA0.05
2105:15S 140 FogNA1515 100%NANA76.35NA0.05
2104:55S 190 FogOVC0031515 100%NANA76.35NA0.05
2104:35S 140 FogOVC0031515 100%NANA76.35NA
2104:15S 141 Fog/MistOVC0031515 100%NANA76.35NA
2103:55S 130 Light Rain FogOVC0031515 100%NANA76.35NA0.08
2103:35S 161 Fog/MistOVC0031515 100%NANA76.35NA0.03
2103:15S 19 G 271 FogOVC0031515 100%NANA76.38NA0.03
2102:55S 211 FogOVC0031515 100%NANA76.38NA0.03
2102:35S 191 Fog/MistOVC0031515 100%NANA76.38NA
2102:15SE 141 Fog/MistOVC0031515 100%NANA76.38NA
2101:55SE 141 Fog/MistOVC0031515 100%NANA76.38NA0.2
2101:35S 191 FogOVC0031515 100%NANA76.38NA0.18
2101:15S 210 Rain FogOVC0031515 100%NANA76.38NA0.18
2100:55S 21 G 321 FogBKN003 OVC0091515 100%NANA76.4NA0.18
2100:35S 161 Light Rain FogOVC0051515 100%NANA76.38NA
2100:15S 161 Fog/MistOVC00616.116.1 100%NANA76.38NA
2023:55S 211 Fog/MistOVC00816.116.1 100%NANA76.38NA0.05
2023:35S 242 Fog/MistFEW003 OVC00816.116.1 100%NANA76.38NA0.13
2023:15S 21 G 291 Light Rain Fog/MistSCT003 OVC0081515 100%NANA76.38NA0.13
2022:55S 231 Light Rain Fog/MistBKN003 OVC0091515 100%NANA76.38NA0.13
2022:35S 161 Fog/MistOVC0031515 100%NANA76.38NA
2022:15SE 111 Light Rain Fog/MistOVC0031515 100%NANA76.38NA
2021:55S 111 Unknown Precip Fog/MistOVC0031515 100%NANA76.35NA0.13
2021:35S 112 Fog/MistOVC0031515 100%NANA76.35NA0.28
2021:15S 101 Unknown Precip Fog/MistOVC0041515 100%NANA76.35NA0.28
2020:55SE 111 Light Rain FogOVC0031515 100%NANA76.35NA0.28
2020:35SE 110 Rain FogOVC0031515 100%NANA76.35NA
2020:15SE 140 Rain FogOVC0041515 100%NANA76.35NA
2019:55SE 130 Light Rain FogOVC0061515 100%NANA76.35NA0.13
2019:35SE 111 Light Rain Fog/MistOVC0061515 100%NANA76.35NA0.13
2019:15SE 131 Light Rain FogOVC0071515 100%NANA76.33NA0.13
2018:55SE 111 Light Rain FogOVC0071515 100%NANA76.33NA0.13
2018:35SE 101 Light Rain FogOVC0081515 100%NANA76.33NA
2018:15SE 81 Light Rain Fog/MistOVC0081515 100%NANA76.33NA
2017:55SE 111 Light Rain FogOVC0071515 100%NANA76.33NA0.13
2017:35S 101 Light Rain Fog/MistOVC0081515 100%NANA76.33NA0.03
2017:15SE 101 Light Rain Fog/MistOVC0091515 100%NANA76.35NA0.03
2016:55SE 112 Fog/MistOVC0121513.9 94%NANA76.35NA0.03
2016:35S 116 Fog/MistOVC0121513.9 94%NANA76.38NA
2016:15S 1313OvercastOVC01216.113.9 88%NANA76.35NA
2015:55S 1114OvercastOVC01316.113.9 88%NANA76.35NA
2015:35S 1614OvercastOVC01316.113.9 88%NANA76.38NA
2015:15S 1913OvercastOVC01316.113.9 88%NANA76.38NA
2014:55S 1613OvercastOVC01316.113.9 88%NANA76.38NA
2014:35S 1913OvercastOVC01416.113.9 88%NANA76.4NA
2014:15S 2310 Fog/MistOVC01416.113.9 88%NANA76.4NA
2013:55S 1911OvercastOVC0151513.9 94%NANA76.4NA
2013:35S 21 G 3211OvercastOVC01516.113.9 88%NANA76.4NA
2013:15S 2111OvercastOVC0151513.9 94%NANA76.43NA
2012:55S 1610 Fog/MistOVC0151512.8 88%NANA76.43NA
2012:35S 138Overcast with HazeOVC0161512.8 88%NANA76.43NA
2012:15S 118 Fog/MistOVC01613.912.8 94%NANA76.43NA
2011:55S 1111OvercastOVC01613.912.2 88%NANA76.43NA
2011:35S 1414OvercastOVC0161512.8 88%NANA76.43NA
2011:15SE 138 Fog/MistBKN01613.912.8 94%NANA76.43NA
2010:55SE 193 Fog/MistFEW009 BKN01612.812.8 100%NANA76.43NA
2010:35SE 192 Fog/MistFEW010 BKN01612.812.8 100%NANA76.43NA
2010:15S 212 Fog/MistBKN015 BKN02112.812.2 94%NANA76.43NA
2009:55S 143 Fog/MistOVC01612.812.2 94%NANA76.4NA
2009:35S 148 Fog/MistOVC01613.912.2 88%NANA76.4NA
2009:15S 1410 Fog/MistOVC01612.812.2 94%NANA76.38NA
2008:55S 135 Fog/MistOVC01712.812.2 94%NANA76.38NA
2008:35S 115 Fog/MistOVC01712.812.2 94%NANA76.35NA
2008:15S 108 Fog/MistOVC01713.912.2 88%NANA76.33NA
2007:55NA11OvercastOVC01713.912.2 88%NANA76.3NA
2007:35NA11OvercastBKN018 OVC02212.812.2 94%NANA76.3NA
2007:15SE 1410 Fog/MistOVC02212.812.2 94%NANA76.28NA
2006:55SE 1911OvercastOVC02312.812.2 94%NANA76.28NA
2006:35S 1613OvercastSCT019 OVC02512.812.2 94%NANA76.28NA
2006:15SE 168 Fog/MistBKN018 OVC02212.811.1 88%NANA76.28NA
2005:55SE 146 Fog/MistBKN017 OVC02212.811.1 88%NANA76.28NA0.03
2005:35SE 148 Fog/MistOVC01912.211.1 94%NANA76.25NA0.03
2005:15SE 11 G 238 Fog/MistBKN016 BKN023 OVC02812.211.1 94%NANA76.25NA0.03
2004:55SE 145 Fog/MistFEW010 SCT017 BKN02212.211.1 94%NANA76.23NA0.03
2004:35SE 132 Fog/MistSCT009 OVC01512.211.1 94%NANA76.23NA
2004:15S 16 G 261 Fog/MistOVC01712.211.1 94%NANA76.25NA
2003:55S 24 G 352 Fog/MistSCT013 OVC02012.211.1 94%NANA76.25NA
2003:35SE 26 G 373 Fog/MistOVC02112.211.1 94%NANA76.23NA
2003:15SE 244 Fog/MistOVC02312.211.1 94%NANA76.23NA
2002:55SE 26 G 393 Fog/MistOVC02312.211.1 94%NANA76.23NA
2002:35SE 26 G 354 Fog/MistBKN025 OVC03312.211.1 94%NANA76.23NA
2002:15S 323 Fog/MistBKN023 OVC02712.211.1 94%NANA76.2NA
2001:55S 34 G 454 Fog/Mist and BreezyOVC02312.210 88%NANA76.2NA
2001:35S 32 G 424 Fog/MistOVC02312.210 88%NANA76.2NA
2001:15S 29 G 394 Fog/MistOVC02512.211.1 94%NANA76.2NA
2000:55S 34 G 454 Fog/Mist and BreezyOVC02512.211.1 94%NANA76.2NA
2000:35S 34 G 425 Fog/Mist and BreezyBKN027 OVC03312.811.1 88%NANA76.2NA
2000:15S 296Overcast with HazeOVC03412.810 82%NANA76.2NA
1923:55S 32 G 4214OvercastBKN034 OVC04113.910 77%NANA76.17NA
1923:35S 29 G 3910Overcast with HazeFEW030 OVC04112.88.9 77%NANA76.17NA
1923:15S 328Overcast with HazeOVC04312.88.9 77%NANA76.17NA
1922:55S 27 G 4016OvercastOVC04413.97.2 63%NANA76.15NA
1922:35S 32 G 4716OvercastOVC04313.97.2 63%NANA76.12NA
1922:15S 3414Overcast and BreezyOVC04613.97.2 63%NANA76.1NA
1921:55S 29 G 4214OvercastOVC04913.98.9 72%NANA76.1NA
1921:35S 27 G 3714OvercastOVC05013.910 77%NANA76.12NA
1921:15S 29 G 4014OvercastOVC05513.98.9 72%NANA76.12NA
1920:55S 2616Partly CloudySCT060 SCT090 SCT11013.96.1 59%NANA76.12NA
1920:35S 2716Mostly CloudySCT095 BKN11013.93.9 51%NANA76.1NA
1920:15S 19 G 2716Mostly CloudyBKN11013.95 55%NANA76.07NA
1919:55S 2416Mostly CloudyFEW039 SCT065 BKN110152.8 45%NANA76.02NA
1919:35S 2416Mostly CloudyBKN065 BKN07513.96.1 59%NANA76.02NA
1919:15S 24 G 3516OvercastBKN065 OVC07513.97.2 63%NANA76.07NA
1918:55S 2316OvercastOVC07013.97.2 63%NANA76.07NA
1918:35S 2316OvercastOVC07013.97.2 63%NANA76.1NA
1918:15S 2114OvercastOVC07013.97.2 63%NANA76.1NA
1917:55S 2314Partly CloudySCT070 SCT08513.97.8 67%NANA76.1NA
1917:35S 2314FairCLR13.97.2 63%NANA76.1NA
1917:15S 2316FairCLR13.97.2 63%NANA76.1NA
1916:55S 26 G 3716FairCLR157.2 59%NANA76.1NA
1916:35S 2616FairCLR13.97.2 63%NANA76.1NA
1916:15S 27 G 3714FairCLR13.97.8 67%NANA76.07NA
1915:55S 2414FairCLR1510 72%NANA76.07NA
1915:35SW 24 G 3716FairCLR13.97.8 67%NANA76.1NA
1915:15S 24 G 3716FairCLR157.2 59%NANA76.07NA
1914:55SW 21 G 3416FairCLR157.8 63%NANA76.1NA
1914:35S 1914FairCLR158.9 68%NANA76.12NA
1914:15SW 21 G 3414FairCLR13.97.8 67%NANA76.12NA
1913:55SW 2316FairCLR157.8 63%NANA76.12NA
1913:35S 2314FairCLR1510 72%NANA76.15NA
1913:15S 2114FairCLR1510 72%NANA76.17NA
1912:55S 1413FairCLR16.110 68%NANA76.2NA
1912:35SW 1111FairCLR1510 72%NANA76.23NA
1912:15SW 1313FairCLR16.18.9 63%NANA76.23NA
1911:55S 1414FairCLR158.9 68%NANA76.23NA
1911:35SE 1314NANA158.9 68%NANA76.25NA
1911:15S 1414FairCLR13.98.9 72%NANA76.25NA
1910:55S 1414FairCLR13.910 77%NANA76.28NA
1910:35S 1114FairCLR12.810 82%NANA76.3NA
1910:15Vrbl 814FairCLR12.810 82%NANA76.3NA
1909:55Calm14FairCLR12.810 82%NANA76.3NA
1909:35SE 513A Few CloudsFEW01312.210 88%NANA76.3NA
1909:15SE 1014Partly CloudySCT01312.810 82%NANA76.3NA
1908:55E 514OvercastOVC01311.110 94%NANA76.3NA
1908:35Calm14Mostly CloudyBKN012107.8 88%NANA76.28NA
1908:15E 514Partly CloudySCT0118.97.8 94%NANA76.28NA
1907:55Calm14FairCLR6.16.1 100%NANA76.25NA
1907:35Calm14FairCLR7.26.1 93%NANA76.23NA
1907:15Calm16FairCLR55 100%NANA76.23NA
1906:55Calm16FairCLR53.9 93%NANA76.23NA
1906:35Calm16FairCLR55 100%NANA76.23NA
1906:15Calm16FairCLR3.93.9 100%NANA76.2NA
1905:55Calm16FairCLR3.92.8 93%NANA76.2NA
1905:35NE 516FairCLR55 100%NANA76.2NA
1905:15Calm16FairCLR53.9 93%NANA76.2NA
1904:55E 1016FairCLR53.9 93%2.8NA76.17NA
1904:35Calm16FairCLR3.93.9 100%NANA76.2NA
1904:15Calm16FairCLR3.92.8 93%NANA76.2NA
1903:55Calm16FairCLR3.92.8 93%NANA76.2NA
1903:35Calm16FairCLR53.9 93%NANA76.23NA
D
a
t
e
Time
(pdt)
Wind
(kph)
Vis.
(km)
WeatherSky Cond. AirDwptMax.Min.Relative
Humidity
Wind
Chill
(°C)
Heat
Index
(°C)
altimeter
(cm)
sea level
(mb)
1 hr3 hr6 hr
6 hour
Temperature (ºC)PressurePrecipitation (cm)

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Last Modified: Febuary, 7 2012
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