Mt Hamilton Weather
LO FriendsDavisCopDavis120VaisaAPFDavis40DavisCroAverage
Temp Out64.770.268.968.269.968.38 F
Dew Temp-1.28.38.5920.214.710.11 F
Humidity799161210.6 %
Wind Speed1376.7927.5 mph
Wind Dir4620632.05730Az=46
Pressure25.925.9225.9425.8626.12+0.39 inHg
Precip 00 0 No Precip
Time PST19:33:4619:33:4719:33:4719:33:4619:33:4419:33:47
KAIT inch Rain & Dew 01-14-2026 19:33:42 No Rain rainint= 1% outdew= 1% indew= 0%
120 inch Rain & Dew 01-14-2026 19:33:46 No Rain rainint= 0% outdew= 1% indew= 0%
40 inch Rain & Dew 01-14-2026 19:33:46 No Rain rainint= 0% outdew= 0% indew= 0%
Crossley Rain & Dew 01-14-2026 19:33:41 No Rain rainint= 0% outdew= 0% indew= 0%
Particles um0.30.50.71.02.03.05.010.0Time
Out per 0.24 liter18727116100019:30:33
In per 0.24 liter24543 19:11:56

Estimated combined 0.3+0.5um particles weight as of 01-14-2026 19:30:33 is 0 ug/m3
Estimated PM2.5 Air Quality Index is 3 Good , TSP is 3 Normal

120 Dome Floor Air Particles 01-14-2026 19:11:56 0.3 um=245 0.5 um=43
Outside Air Particles by APF01-14-2026_19:30:33_0.3um=300_0.5um=44_0.7um=19_1.0um=11_2.0um=3_3.0um=1_5.0um=0_10.0um=0_sc=13917452_fl=1.0_st=23_er=0_RH=12%_T=66.38F

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 14068 feet above MH & estimated cloud temp is -69 F