Mt Hamilton Weather
LO FriendsDavisCopDavis120VaisaAPFDavis40DavisCroAverage
Temp Out54.755.352.1652.755.354.03 F
Dew Temp17.426.423.5429.427.824.9 F
Humidity233333413533 %
Wind Speed1284.51158.1 mph
Wind Dir22346342.029355Az=3
Pressure25.8825.9125.9325.8626.22+0.38 inHg
Precip 00 0 No Precip
Time PST19:17:1019:17:1119:17:1219:17:1119:17:1219:17:13
KAIT inch Rain & Dew 03-10-2026 19:17:10 No Rain rainint= 3% outdew= 1% indew= 0%
120 inch Rain & Dew 03-10-2026 19:17:11 No Rain rainint= 0% outdew= 1% indew= 0%
40 inch Rain & Dew 03-10-2026 19:17:11 No Rain rainint= 1% outdew= 0% indew= 0%
Crossley Rain & Dew 03-10-2026 19:17:12 No Rain rainint= 0% outdew= 13% indew= 0%
Particles um0.30.50.71.02.03.05.010.0Time
Out per 0.24 liter22144612621392410019:09:41
In per 0.24 liter1067219 19:02:41

Estimated combined 0.3+0.5um particles weight as of 03-10-2026 19:09:41 is 12 ug/m3
Estimated PM2.5 Air Quality Index is 78 Moderate , TSP is 115 Normal

120 Dome Floor Air Particles 03-10-2026 19:02:41 0.3 um=1067 0.5 um=219
Outside Air Particles by APF03-10-2026_19:09:41_0.3um=3184_0.5um=664_0.7um=377_1.0um=201_2.0um=35_3.0um=2_5.0um=0_10.0um=0_sc=18667354_fl=0.9_st=23_er=0_RH=37%_T=51.08F

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 6568 feet above MH & estimated cloud temp is -10 F