Mt Hamilton Weather
LO FriendsDavisCopDavis120VaisaAPFDavis40DavisCroAverage
Temp Out46.849.845.6847.249.547.79 F
Dew Temp-17.2-2.9-4.725.70.5-3.73 F
Humidity61112181312 %
Wind Speed18200171414 mph
Wind Dir4240North4444Az=20
Pressure25.9726.0326.0425.9726.4+0.49 inHg
Precip 00 0 No Precip
Time PST20:02:5420:02:5520:02:5620:02:5420:02:5420:02:56
KAIT inch Rain & Dew 01-20-2025 20:02:54 No Rain rainint= 0% outdew= 1% indew= 0%
120 inch Rain & Dew 01-20-2025 20:02:55 No Rain rainint= 1% outdew= 7% indew= 0%
40 inch Rain & Dew 01-20-2025 20:02:54 No Rain rainint= 3% outdew= 1% indew= 0%
Crossley Rain & Dew 01-20-2025 20:02:57 No Rain rainint= 0% outdew= 1% indew= 0%
Particles um0.30.50.71.02.03.05.010.0Time
Out per 0.24 liter6579443251463119:55:02
In per 0.24 liter58219 19:43:20

Estimated combined 0.3+0.5um particles weight as of 01-20-2025 19:55:02 is 2 ug/m3
Estimated PM2.5 Air Quality Index is 45 Good , TSP is 213 Above Secondary Standard

120 Dome Floor Air Particles 01-20-2025 19:43:20 0.3 um=582 0.5 um=19
Outside Air Particles by APF01-20-2025_19:55:02_0.3um=1050_0.5um=151_0.7um=70_1.0um=40_2.0um=23_3.0um=11_5.0um=6_10.0um=2_sc=15032334_fl=1.0_st=23_er=0_RH=17%_T=44.6F

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 11977 feet above MH & estimated cloud temp is -69 F