Mt Hamilton Weather
LO FriendsDavisCopDavis120VaisaAPFDavis40DavisCroAverage
Temp Out80.383.281.1482.782.681.98 F
Dew Temp730.623.7236.231.825.86 F
Humidity61512191613.6 %
Wind Speed820303 mph
Wind Dir161168North148232Az=82
Pressure25.7825.8325.8425.7625.91+0.29 inHg
Precip 00 0 No Precip
Time PST08:05:2808:05:3008:05:2908:05:2808:05:2908:05:28
KAIT inch Rain & Dew 07-14-2025 08:05:25 No Rain rainint= 1% outdew= 1% indew= 0%
120 inch Rain & Dew 07-14-2025 08:05:26 No Rain rainint= 1% outdew= 4% indew= 0%
40 inch Rain & Dew 07-14-2025 08:05:28 No Rain rainint= 2% outdew= 1% indew= 0%
Crossley Rain & Dew 07-14-2025 08:05:29 No Rain rainint= 0% outdew= 0% indew= 0%
Particles um0.30.50.71.02.03.05.010.0Time
Out per 0.24 liter5351023420300008:05:06
In per 0.24 liter26956 07:53:42

Estimated combined 0.3+0.5um particles weight as of 07-14-2025 08:05:06 is 2 ug/m3
Estimated PM2.5 Air Quality Index is 9 Good , TSP is 14 Normal

120 Dome Floor Air Particles 07-14-2025 07:53:42 0.3 um=269 0.5 um=56
Outside Air Particles by APF07-14-2025_08:05:06_0.3um=855_0.5um=163_0.7um=55_1.0um=32_2.0um=6_3.0um=1_5.0um=0_10.0um=0_sc=7057245_fl=1.0_st=23_er=0_RH=12%_T=92.12F

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 11954 feet above MH & estimated cloud temp is -35 F