Mt Hamilton Weather
LO FriendsDavisCopDavis120VaisaAPFDavis40DavisCroAverage
Temp Out7474.774.1274.874.874.48 F
Dew Temp4232.113.0922.322.326.35 F
Humidity322113141418.8 %
Wind Speed865505 mph
Wind Dir211188SE174191Az=279
Pressure25.7725.7625.8325.7525.68+0.28 inHg
Precip 00 0 No Precip
Time PST22:54:0722:53:3122:54:0722:54:0222:54:0622:55:08
40 inch Rain & Dew 08-15-2018 22:54:06 No Rain rainint= 2% outdew= 1% indew= 1%
120 inch Rain & Dew 08-15-2018 22:53:34 No Rain rainint= 3% outdew= 1% indew= 0%
Particles um0.30.50.71.02.03.05.010.0Time
Out per 0.24 liter291413352352182022:53:41
In per 0.24 liter3844261 22:43:20

Estimated combined 0.3+0.5um particles weight as of 08-15-2018 22:53:41 is 9 ug/m3
Estimated PM2.5 Air Quality Index is 68 Moderate , TSP is 130 Normal

120 Dome Floor Air Particles 08-15-2018 22:43:20 0.3 um=3844 0.5 um=261
Outside Air Particles by APF08-15-2018_22:53:41_0.3um=4190_0.5um=192_0.7um=76_1.0um=51_2.0um=31_3.0um=12_5.0um=4_10.0um=1_sc=5485446_fl=0.9_st=23_er=0_RH=15%_T=71.96F

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 9681 feet above MH & estimated cloud temp is -21 F