Mt Hamilton Weather
LO FriendsDavis120VaiTestDavis40ES212VaisaAPFAverage
Temp Out37.8....37.739.0237.5837.69 F
Dew Temp37.8....37.7....38.2937.93 F
Humidity100....10099100100 %
Wind Speed8....2....55 mph
Wind Dir126....103....EastAz=114
Pressure25.9....25.88....25.94+0.39 inHg
Precip0.... 0 ....0Fog
Time PST20:09:2220:08:4820:09:2420:04:2720:09:2320:09:24
40 inch Rain & Dew 01-22-2018 20:09:24 No Rain rainint= 4% outdew= 98% indew= 1%
120 inch Rain & Dew 01-22-2018 20:09:19 No Rain rainint= 5% outdew= 91% indew= 0%
Particles um0.30.50.71.02.03.05.010.0Time
Out per 0.24 liter8406560153975268498543353353155420:04:27
In per 0.24 liter10904 19:49:46


120 Dome Floor Air Particles 01-22-2018 19:49:46 0.3 um=1090 0.5 um=4
Outside Air Particles by APF01-22-2018_20:04:27_0.3um=10741_0.5um=7158_0.7um=6897_1.0um=6732_2.0um=6370_3.0um=5540_5.0um=4285_10.0um=1986_sc=1129720_fl=0.8_st=23_er=0_RH=99%_T=39.02F

Particle Warning 12000 0.3um 800 0.5 um /0.24 liter -- Closure 17000 0.3um 1000 0.5um /0.24 liter
Davis40 precip = rain rate * 0.01"/Hr -- VaiTest located by AstroDome/excluded from avg
Davis120 precip = 120" telescope dew sensor 0=dry 100=wet closure~>15
Average pressure = deviation from MH normal -- VaisaAPF precip 0=norain 1=rain
Average pressure = hundredths of inches of mercury above or below normal MH pressure
If clouds visible overhead: estimated cloud base is at 0 feet above MH & estimated cloud temp is 37 F