Mt Hamilton Weather
LO FriendsDavisCopDavis120VaisaAPFDavis40DavisCroAverage
Temp Out52.152.750.5451.852.952 F
Dew Temp15.222.619.2224.722.820.9 F
Humidity233129353129.8 %
Wind Speed131211279 mph
Wind Dir306312NW329287Az=334
Pressure25.5825.6425.6525.5829.68+0.1 inHg
Precip 00 0 No Precip
Time PST02:22:4702:22:4702:22:4802:22:4702:22:4702:22:49
KAIT inch Rain & Dew 05-21-2022 02:22:47 No Rain rainint= 1% outdew= 0% indew= 0%
120 inch Rain & Dew 05-21-2022 02:22:47 No Rain rainint= 1% outdew= 1% indew= 0%
40 inch Rain & Dew 05-21-2022 02:22:47 No Rain rainint= 1% outdew= 1% indew= 0%
Crossley Rain & Dew 05-21-2022 02:22:43 No Rain rainint= 0% outdew= 0% indew= 0%
Particles um0.30.50.71.02.03.05.010.0Time
Out per 0.24 liter6701266832710002:22:45
In per 0.24 liter1330291 02:05:03

Estimated combined 0.3+0.5um particles weight as of 05-21-2022 02:22:45 is 2 ug/m3
Estimated PM2.5 Air Quality Index is 22 Good , TSP is 31 Normal

120 Dome Floor Air Particles 05-21-2022 02:05:03 0.3 um=1330 0.5 um=291
Outside Air Particles by APF05-21-2022_02:22:45_0.3um=857_0.5um=162_0.7um=88_1.0um=42_2.0um=10_3.0um=2_5.0um=0_10.0um=0_sc=11359628_fl=0.8_st=23_er=0_RH=33%_T=48.2F

Particle Warning 0.24/L 0.3:12000 0.5:980 0.7:650 1.0:400 2.0:130 3.0:60 5.0:18 10.0:2
Particle Closure 0.24/L 0.3:17000 0.5:1400 0.7:2000 1.0:1200 2.0:400 3.0:180 5.0:60 10.0:3
Davis40 precip = rain rate * 0.01"/Hr
Davis120 precip = 120" telescope dew sensor 0=dry 100=wet closure~>15
Average pressure = deviation from MH normal -- VaisaAPF precip 0=norain 1=rain
If clouds visible overhead: estimated cloud base is at 6840 feet above MH & estimated cloud temp is -15 F