Mt Hamilton Weather
LO FriendsDavisCopDavis120VaisaAPFDavis40DavisCroAverage
Temp Out55.156.654.6854.655.355.25 F
Dew Temp14.625.220.4726.524.922.33 F
Humidity203026343128.2 %
Wind Speed540443 mph
Wind Dir186178North220109Az=271
Pressure25.9425.9926.0125.9326.28+0.46 inHg
Precip 00 0 No Precip
Time PST03:42:0703:42:0503:42:0703:42:0503:42:0603:42:06
KAIT inch Rain & Dew 02-23-2025 03:42:04 No Rain rainint= 1% outdew= 1% indew= 0%
120 inch Rain & Dew 02-23-2025 03:42:05 No Rain rainint= 1% outdew= 5% indew= 0%
40 inch Rain & Dew 02-23-2025 03:42:05 No Rain rainint= 3% outdew= 1% indew= 0%
Crossley Rain & Dew 02-23-2025 03:42:06 No Rain rainint= 0% outdew= 0% indew= 0%
Particles um0.30.50.71.02.03.05.010.0Time
Out per 0.24 liter165515776541541003:35:48
In per 0.24 liter136627 03:40:23

Estimated combined 0.3+0.5um particles weight as of 02-23-2025 03:35:48 is 6 ug/m3
Estimated PM2.5 Air Quality Index is 48 Good , TSP is 85 Normal

120 Dome Floor Air Particles 02-23-2025 03:40:23 0.3 um=1366 0.5 um=27
Outside Air Particles by APF02-23-2025_03:35:48_0.3um=2380_0.5um=226_0.7um=110_1.0um=78_2.0um=23_3.0um=6_5.0um=2_10.0um=0_sc=17910670_fl=0.9_st=23_er=0_RH=30%_T=53.06F

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 7136 feet above MH & estimated cloud temp is -14 F