Mt Hamilton Weather
LO FriendsDavisCopDavis120VaisaAPFDavis40DavisCroAverage
Temp Out43.845.745.3244.646.745.22 F
Dew Temp18.926.525.162826.925.09 F
Humidity374745524645.4 %
Wind Speed161911.0152116.4 mph
Wind Dir3249349.036023Az=19
Pressure25.6325.6525.6825.6125.97+0.13 inHg
Precip 00 0 No Precip
Time PST14:50:3414:50:3514:50:3514:50:3214:50:3214:50:33
KAIT inch Rain & Dew 01-24-2026 14:50:34 No Rain rainint= 1% outdew= 1% indew= 0%
120 inch Rain & Dew 01-24-2026 14:50:35 No Rain rainint= 0% outdew= 1% indew= 0%
40 inch Rain & Dew 01-24-2026 14:50:32 No Rain rainint= 0% outdew= 0% indew= 0%
Crossley Rain & Dew 01-24-2026 14:50:35 No Rain rainint= 0% outdew= 0% indew= 0%
Particles um0.30.50.71.02.03.05.010.0Time
Out per 0.24 liter3022385237187115336014:41:34
In per 0.24 liter2118249 14:29:26

Estimated combined 0.3+0.5um particles weight as of 01-24-2026 14:41:34 is 13 ug/m3
Estimated PM2.5 Air Quality Index is 373 Hazardous , TSP is 588 on Attention

120 Dome Floor Air Particles 01-24-2026 14:29:26 0.3 um=2118 0.5 um=249
Outside Air Particles by APF01-24-2026_14:41:34_0.3um=4827_0.5um=615_0.7um=380_1.0um=299_2.0um=184_3.0um=53_5.0um=11_10.0um=0_sc=14763959_fl=1.0_st=23_er=0_RH=39%_T=50.18F

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 4363 feet above MH & estimated cloud temp is 2 F