Mt Hamilton Weather
LO FriendsDavisCopDavis120VaisaAPFDavis40DavisCroAverage
Temp Out65.465.565.1264 65 F
Dew Temp33.744.14144.4 40.8 F
Humidity31464149 41.75 %
Wind Speed11710.55 8.4 mph
Wind Dir165170170.0150 Az=164
Pressure25.825.8325.8525.7726.03+0.3 inHg
Precip 00 0 No Precip
Time PST19:22:3519:22:3419:22:3519:22:3119:22:3219:22:35
KAIT inch Rain & Dew 11-08-2025 19:22:35 No Rain rainint= 1% outdew= 1% indew= 0%
120 inch Rain & Dew 11-08-2025 19:22:34 No Rain rainint= 0% outdew= 1% indew= 0%
40 inch Rain & Dew 11-08-2025 19:22:31 No Rain rainint= 1% outdew= 0% indew= 0%
Crossley Rain & Dew 11-08-2025 19:22:32 No Rain rainint= 0% outdew= 0% indew= 0%
Particles um0.30.50.71.02.03.05.010.0Time
Out per 0.24 liter1070180101552353019:18:42
In per 0.24 liter1105115 19:22:04

Estimated combined 0.3+0.5um particles weight as of 11-08-2025 19:18:42 is 5 ug/m3
Estimated PM2.5 Air Quality Index is 74 Moderate , TSP is 141 Normal

120 Dome Floor Air Particles 11-08-2025 19:22:04 0.3 um=1105 0.5 um=115
Outside Air Particles by APF11-08-2025_19:18:42_0.3um=1710_0.5um=288_0.7um=162_1.0um=89_2.0um=38_3.0um=9_5.0um=5_10.0um=1_sc=8128972_fl=1.0_st=23_er=0_RH=41%_T=64.58F

Out Particle Warning 0.24/L 0.3:21400 0.5:1750 0.7:650 1.0:400 2.0:130 3.0:60 5.0:18 10.0:2
Out Particle Closure 0.24/L 0.3:30600 0.5:2500 0.7:2000 1.0:1200 2.0:400 3.0:180 5.0:60 10.0:3
In Particle Warning 0.24/L 0.3:12000 0.5:980 In Particle Closure 0.24/L 0.3:17000 0.5:1400
Davis40 precip = rain rate * 0.01"/Hr Davis120 precip = 120" teles dew sensor 0=dry 100=wet closure~>15
Avg pressure = deviation 0.01 X in Hg from MH normal - VaisaAPF precip 0=norain 1=rain
If clouds visible overhead: estimated cloud base is at 4863 feet above MH & estimated cloud temp is 17 F