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Half Moon Bay Airport
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D
a
t
e
Time
(pdt)
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.
2518:15NW 12 G 175.00 Fog/MistSCT009 OVC0155555 100%NANA30.10NA
2517:55NW 126.00 Fog/MistBKN010 OVC0145755 94%NANA30.11NA
2517:35W 9 G 167.00OvercastBKN010 OVC0135755 94%NANA30.11NA
2517:15NW 97.00OvercastBKN012 BKN019 OVC0295755 94%NANA30.11NA
2516:55NW 125.00 Fog/MistBKN013 OVC0295755 94%NANA30.11NA
2516:35NW 9 G 156.00 Fog/MistOVC0125755 94%NANA30.11NA
2516:15NW 95.00 Fog/MistOVC0125755 94%NANA30.11NA
2515:55NW 126.00 Fog/MistOVC0135755 94%NANA30.12NA
2515:35NW 9 G 167.00OvercastOVC0135755 94%NANA30.13NA
2515:15NW 147.00OvercastOVC0135754 88%NANA30.14NA
2514:55NW 137.00OvercastOVC0135754 88%NANA30.14NA
2514:35NW 146.00 Fog/MistOVC0135754 88%NANA30.14NA
2514:15NW 15 G 218.00OvercastOVC0145754 88%NANA30.15NA
2513:55NW 13 G 208.00OvercastOVC0165754 88%NANA30.15NA
2513:35NW 156.00Overcast with HazeOVC0165754 88%NANA30.15NA
2513:15NW 157.00OvercastBKN016 OVC0215754 88%NANA30.15NA
2512:55NW 166.00Overcast with HazeBKN018 OVC0235752 82%NANA30.15NA
2512:35NW 157.00Mostly CloudyBKN018 BKN0235752 82%NANA30.15NA
2512:15NW 15 G 217.00OvercastBKN019 OVC0245752 82%NANA30.15NA
2511:55NW 16 G 237.00OvercastSCT019 OVC0245752 82%NANA30.14NA
2511:35NW 16 G 227.00OvercastBKN018 OVC0255752 82%NANA30.14NA
2511:15NW 15 G 226.00 Fog/MistSCT017 BKN022 OVC0275552 88%NANA30.14NA
2510:55NW 177.00OvercastFEW014 BKN021 OVC0255752 82%NANA30.14NA
2510:35NW 15 G 227.00OvercastOVC0175552 88%NANA30.14NA
2510:15NW 147.00OvercastOVC0175450 88%NANA30.13NA
2509:55NW 156.00 Fog/MistOVC0185552 88%NANA30.13NA
2509:35NW 156.00 Fog/MistOVC0195450 88%NANA30.12NA
2509:15NW 137.00OvercastOVC0185452 94%NANA30.12NA
2508:55NW 136.00 Fog/MistOVC0175452 94%NANA30.11NA
2508:35NW 96.00 Fog/MistOVC0165452 94%NANA30.11NA
2508:15NW 105.00 Fog/MistOVC0165452 94%NANA30.11NA
2507:55NW 86.00 Fog/MistOVC0135452 94%NANA30.11NA
2507:35NW 75.00 Fog/MistOVC0135452 94%NANA30.10NA
2507:15NW 85.00 Fog/MistOVC0155450 88%NANA30.10NA
2506:55NW 96.00 Fog/MistOVC0145452 94%NANA30.09NA
2506:35NW 96.00 Fog/MistBKN012 OVC0195452 94%NANA30.08NA
2506:15NW 66.00 Fog/MistBKN012 OVC0195452 94%NANA30.08NA
2505:55NW 65.00 Fog/MistSCT013 OVC0195452 94%NANA30.07NA
2505:35NW 86.00 Fog/MistSCT012 OVC0195452 94%NANA30.07NA
2505:15NW 76.00 Fog/MistBKN012 OVC0215452 94%NANA30.08NA
2504:55NW 86.00 Fog/MistBKN014 OVC0205452 94%NANA30.08NA
2504:35NW 87.00OvercastBKN014 OVC0185452 94%NANA30.08NA
2504:15NW 56.00 Fog/MistBKN013 OVC0175452 94%NANA30.08NA
2503:55NW 77.00OvercastOVC0165450 88%NANA30.08NA
2503:35NW 86.00 Fog/MistOVC0165450 88%NANA30.08NA
2503:15NW 86.00 Fog/MistOVC0145452 94%NANA30.08NA
2502:55NW 76.00 Fog/MistOVC0165452 94%NANA30.08NA
2502:35NW 86.00 Fog/MistOVC0145452 94%NANA30.09NA
2502:15NW 86.00 Fog/MistOVC0145452 94%NANA30.09NA
2501:55NW 66.00 Fog/MistOVC0145452 94%NANA30.09NA
2501:35NW 66.00 Fog/MistOVC0145452 94%NANA30.09NA
2501:15NW 96.00 Fog/MistOVC0135452 94%NANA30.09NA
2500:55NW 96.00 Fog/MistOVC0125452 94%NANA30.10NA
2500:35N 86.00 Fog/MistOVC0125252 100%NANA30.10NA
2500:15NW 76.00 Fog/MistOVC0125452 94%NANA30.10NA
2423:55NW 126.00 Fog/MistOVC0125452 94%NANA30.10NA
2423:35NW 96.00 Fog/MistBKN012 OVC0245252 100%NANA30.10NA
2423:15NW 126.00 Fog/MistBKN013 OVC0235452 94%NANA30.10NA
2422:55NW 96.00 Fog/MistSCT012 OVC0195452 94%NANA30.10NA
2422:35N 76.00 Fog/MistFEW012 BKN017 OVC0505452 94%NANA30.10NA
2422:15NW 126.00 Fog/MistBKN012 OVC0175452 94%NANA30.10NA
2421:55NW 105.00 Fog/MistBKN012 OVC0165452 94%NANA30.10NA
2421:35NW 105.00 Fog/MistSCT010 BKN036 OVC0555454 100%NANA30.10NA
2421:15N 106.00 Fog/MistSCT011 BKN022 OVC0555454 100%NANA30.09NA
2420:55Calm9.00OvercastBKN010 BKN023 OVC0555452 94%NANA30.08NA
2420:35Calm8.00OvercastOVC0555452 94%NANA30.08NA
2420:15Calm9.00OvercastOVC0555452 94%NANA30.07NA
2419:55N 37.00Mostly CloudyBKN048 BKN0555452 94%NANA30.06NA
2419:35NW 87.00OvercastFEW033 OVC0485452 94%NANA30.06NA
2419:15NW 87.00OvercastFEW025 BKN033 OVC0485552 88%NANA30.07NA
2418:55NW 38.00OvercastOVC0325552 88%NANA30.07NA
2418:35Calm6.00 Fog/MistOVC0315554 94%NANA30.07NA
2418:15SW 36.00 Fog/MistOVC0325554 94%NANA30.08NA
2417:55W 67.00OvercastSCT034 OVC0495554 94%NANA30.07NA
2417:35SW 37.00OvercastSCT036 OVC0485754 88%NANA30.07NA
2417:15Calm7.00OvercastBKN035 OVC0455752 82%NANA30.07NA
2416:55Vrbl 57.00OvercastBKN033 OVC0455754 88%NANA30.07NA
2416:35SW 57.00OvercastOVC0335552 88%NANA30.07NA
2416:15SW 66.00 Fog/MistFEW016 OVC0325754 88%NANA30.07NA
2415:55Vrbl 68.00OvercastBKN031 OVC0495752 82%NANA30.07NA
2415:35Vrbl 36.00 Fog/MistFEW035 OVC0495754 88%NANA30.07NA
2415:15SW 76.00 Fog/MistBKN036 OVC0495754 88%NANA30.08NA
2414:55SW 66.00 Fog/MistBKN034 OVC0495754 88%NANA30.08NA
2414:35Vrbl 5 G 126.00 Fog/MistSCT031 OVC0505754 88%NANA30.08NA
2414:15S 66.00 Fog/MistFEW032 OVC0505754 88%NANA30.08NA
2413:55SW 66.00 Fog/MistOVC0495754 88%NANA30.08NA
2413:35SW 76.00 Fog/MistFEW034 OVC0495754 88%NANA30.09NA
2413:15S 8 G 146.00Mostly Cloudy with HazeBKN035 BKN0495954 82%NANA30.09NA
2412:55Vrbl 35.00 Fog/MistOVC0355754 88%NANA30.09NA
2412:35W 56.00 Fog/MistOVC0355754 88%NANA30.09NA
2412:15S 85.00 Fog/MistOVC0355754 88%NANA30.09NA
2411:55S 126.00Overcast with HazeOVC0375752 82%NANA30.10NA
2411:35S 126.00Overcast with HazeOVC0385752 82%NANA30.10NA
2411:15S 95.00Overcast with HazeOVC0375952 77%NANA30.10NA
2410:55S 106.00Overcast with HazeOVC0355952 77%NANA30.09NA
2410:35S 95.00Overcast with HazeOVC0355750 77%NANA30.09NA
2410:15S 96.00Overcast with HazeOVC0355750 77%NANA30.08NA
2409:55S 86.00Overcast with HazeOVC0355750 77%NANA30.08NA
2409:35SE 96.00Overcast with HazeOVC0355748 72%NANA30.08NA
2409:15S 96.00Overcast with HazeSCT030 OVC0385750 77%NANA30.07NA
2408:55S 87.00OvercastOVC0295750 77%NANA30.07NA
2408:35SE 76.00Overcast with HazeOVC0305548 77%NANA30.07NA
2408:15SE 75.00Overcast with HazeOVC0315548 77%NANA30.07NA
2407:55SE 66.00Overcast with HazeBKN030 OVC0365548 77%NANA30.06NA
2407:35SE 66.00Overcast with HazeOVC0335548 77%NANA30.06NA
2407:15SE 66.00Overcast with HazeOVC0345548 77%NANA30.05NA
2406:55SE 66.00Overcast with HazeOVC0355548 77%NANA30.05NA
2406:35SE 78.00OvercastBKN034 OVC0415548 77%NANA30.04NA
2406:15SE 67.00OvercastOVC0415548 77%NANA30.04NA
2405:55SE 67.00OvercastOVC0415550 82%NANA30.04NA
2405:35SE 56.00Overcast with HazeOVC0405450 88%NANA30.05NA
2405:15SE 76.00Overcast with HazeBKN034 OVC0395550 82%NANA30.04NA
2404:55S 66.00 Fog/MistOVC0335552 88%NANA30.05NA
2404:35S 76.00 Fog/MistOVC0385552 88%NANA30.04NA
2404:15S 87.00OvercastOVC0395550 82%NANA30.04NA
2403:55S 76.00Overcast with HazeOVC0395550 82%NANA30.04NA
2403:35S 96.00 Fog/MistOVC0395552 88%NANA30.04NA
2403:15S 66.00 Fog/MistOVC0365552 88%NANA30.04NA
2402:55S 86.00 Fog/MistOVC0375552 88%NANA30.04NA
2402:35S 86.00 Fog/MistOVC0395552 88%NANA30.04NA
2402:15S 106.00 Fog/MistOVC0395552 88%NANA30.04NA
2401:55SE 95.00 Fog/MistOVC0365554 94%NANA30.05NA
2401:35S 95.00 Fog/MistOVC0365554 94%NANA30.05NA
2401:15S 96.00 Fog/MistOVC0365554 94%NANA30.06NA
2400:55S 75.00 Fog/MistOVC0375554 94%NANA30.06NA
2400:35S 7 G 145.00 Fog/MistOVC0365554 94%NANA30.06NA
2400:15S 95.00 Fog/MistOVC0375554 94%NANA30.06NA
2323:55S 125.00 Fog/MistOVC0375554 94%NANA30.05NA
2323:35S 85.00 Fog/MistOVC0355554 94%NANA30.06NA
2323:15S 9 G 156.00 Fog/MistOVC0345552 88%NANA30.06NA
2322:55S 135.00 Fog/MistOVC0365554 94%NANA30.06NA
2322:35S 95.00 Fog/MistOVC0375554 94%NANA30.06NA
2322:15S 85.00 Fog/MistOVC0385554 94%NANA30.06NA
2321:55S 95.00 Fog/MistOVC0375554 94%NANA30.05NA
2321:35S 85.00 Fog/MistOVC0375554 94%NANA30.05NA
2321:15S 85.00 Fog/MistOVC0375554 94%NANA30.04NA
2320:55S 95.00 Fog/MistOVC0385554 94%NANA30.03NA
2320:35S 85.00 Fog/MistOVC0385554 94%NANA30.02NA
2320:15S 95.00 Fog/MistOVC0395554 94%NANA30.02NA
2319:55S 94.00 Fog/MistOVC0395554 94%NANA30.01NA
2319:35S 94.00 Fog/MistOVC0395554 94%NANA30.01NA
2319:15S 94.00 Fog/MistOVC0405554 94%NANA30.01NA
2318:55S 124.00 Fog/MistOVC0405554 94%NANA30.01NA
2318:35S 125.00 Fog/MistOVC0405554 94%NANA30.01NA
2318:15S 13 G 204.00 Fog/MistOVC0415754 88%NANA30.01NA
2317:55S 144.00 Fog/MistOVC0415754 88%NANA30.01NA
2317:35S 105.00 Fog/MistOVC0415754 88%NANA30.00NA
2317:15S 135.00 Fog/MistOVC0415754 88%NANA30.00NA
2316:55S 12 G 186.00Overcast with HazeOVC0415754 88%NANA30.00NA
2316:35S 135.00Overcast with HazeOVC0415754 88%NANA30.00NA
2316:15S 156.00Overcast with HazeOVC0415754 88%NANA30.00NA
2315:55S 15 G 215.00 Fog/MistOVC0405755 94%NANA30.01NA
2315:35S 17 G 235.00 Fog/MistOVC0405754 88%NANA30.01NA
2315:15S 16 G 225.00 Fog/MistOVC0405754 88%NANA30.02NA
2314:55S 156.00Overcast with HazeOVC0415954 82%NANA30.02NA
2314:35S 145.00 Fog/MistOVC0405754 88%NANA30.02NA
2314:15S 155.00Overcast with HazeOVC0395752 82%NANA30.02NA
2313:55S 16 G 225.00Overcast with HazeOVC0385752 82%NANA30.01NA
2313:35S 16 G 235.00Overcast with HazeOVC0385754 88%NANA30.01NA
2313:15S 14 G 235.00Overcast with HazeOVC0365752 82%NANA30.01NA
2312:55S 165.00 Fog/MistOVC0325552 88%NANA30.01NA
2312:35S 173.00 Fog/MistSCT027 OVC0325552 88%NANA30.01NA
2312:15S 186.00Overcast with HazeFEW026 OVC0355752 82%NANA30.01NA
2311:55S 16 G 225.00Overcast with HazeSCT026 OVC0325552 88%NANA30.01NA
2311:35S 16 G 236.00Overcast with HazeOVC0325552 88%NANA30.00NA
2311:15S 10 G 216.00Overcast with HazeOVC0315552 88%NANA30.00NA
2310:55S 165.00Overcast with HazeSCT027 OVC0325552 88%NANA29.99NA
2310:35S 18 G 255.00 Fog/MistBKN026 OVC0325552 88%NANA29.98NA
2310:15S 145.00 Fog/MistBKN026 OVC0345552 88%NANA29.98NA
2309:55S 14 G 225.00 Fog/MistOVC0265552 88%NANA29.97NA
2309:35S 104.00 Fog/MistOVC0295552 88%NANA29.96NA
2309:15S 165.00 Fog/MistOVC0265552 88%NANA29.96NA
2308:55S 155.00 Fog/MistOVC0275552 88%NANA29.95NA
2308:35S 124.00 Fog/MistOVC0275452 94%NANA29.95NA
2308:15S 13 G 204.00 Fog/MistFEW016 FEW022 OVC0295452 94%NANA29.95NA
2307:55S 15 G 224.00 Fog/MistFEW015 OVC0305452 94%NANA29.94NA
2307:35S 134.00 Fog/MistBKN026 OVC0305452 94%NANA29.93NA
2307:15S 124.00 Fog/MistOVC0245454 100%NANA29.93NA
2306:55S 144.00 Fog/MistFEW014 OVC0255452 94%NANA29.92NA
2306:35S 175.00 Fog/MistFEW014 FEW018 OVC0275452 94%NANA29.91NA
2306:15S 12 G 186.00 Fog/MistOVC0275452 94%NANA29.91NA
2305:55S 145.00 Fog/MistOVC0265452 94%NANA29.91NA
2305:35S 135.00 Fog/MistSCT020 OVC0265454 100%NANA29.91NA
2305:15S 145.00 Fog/MistSCT018 OVC0255552 88%NANA29.91NA
2304:55S 135.00 Fog/MistSCT018 OVC0245552 88%NANA29.91NA
2304:35S 136.00 Fog/MistOVC0245552 88%NANA29.91NA
2304:15S 126.00 Fog/MistOVC0245552 88%NANA29.91NA
2303:55S 12 G 176.00 Fog/MistOVC0235552 88%NANA29.91NA
2303:35S 126.00 Fog/MistFEW018 OVC0235552 88%NANA29.90NA
2303:15S 14 G 215.00 Fog/MistOVC0225552 88%NANA29.90NA
2302:55S 13 G 206.00 Fog/MistOVC0235552 88%NANA29.90NA
2302:35S 13 G 185.00 Fog/MistOVC0225552 88%NANA29.90NA
2302:15S 136.00 Fog/MistOVC0235552 88%NANA29.90NA
2301:55S 13 G 205.00 Fog/MistOVC0245552 88%NANA29.90NA
2301:35S 13 G 206.00 Fog/MistOVC0235552 88%NANA29.90NA
2301:15S 106.00 Fog/MistOVC0235552 88%NANA29.90NA
2300:55S 146.00 Fog/MistOVC0225552 88%NANA29.90NA
2300:35S 127.00OvercastOVC0225552 88%NANA29.90NA
2300:15S 146.00 Fog/MistOVC0225552 88%NANA29.90NA
2223:55S 135.00 Fog/MistOVC0215552 88%NANA29.90NA
2223:35S 166.00 Fog/MistOVC0215552 88%NANA29.90NA
2223:15S 145.00 Fog/MistOVC0215552 88%NANA29.90NA
2222:55S 135.00 Fog/MistOVC0215552 88%NANA29.90NA
2222:35S 135.00 Fog/MistOVC0205552 88%NANA29.90NA
2222:15S 105.00 Fog/MistOVC0195552 88%NANA29.90NA
2221:55S 12 G 175.00 Fog/MistOVC0195552 88%NANA29.90NA
2221:35S 135.00 Fog/MistOVC0195552 88%NANA29.89NA
2221:15S 145.00 Fog/MistOVC0195552 88%NANA29.89NA
2220:55S 15 G 215.00 Fog/MistOVC0195552 88%NANA29.88NA
2220:35S 14 G 215.00 Fog/MistOVC0185552 88%NANA29.88NA
2220:15S 14 G 215.00 Fog/MistOVC0185552 88%NANA29.87NA
2219:55S 15 G 213.00 Fog/MistBKN019 OVC0235552 88%NANA29.86NA
2219:35S 143.00 Fog/MistBKN0185552 88%NANA29.86NA
2219:15S 12 G 203.00 Fog/MistOVC0185552 88%NANA29.86NA
2218:55S 144.00 Fog/MistOVC0185552 88%NANA29.86NA
2218:35S 133.00 Fog/MistOVC0175552 88%NANA29.86NA
D
a
t
e
Time
(pdt)
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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