Mt Hamilton Weather
LO FriendsDavisCopDavis120VaisaAPFDavis40DavisCroAverage
Temp Out36.1 35.963636.836.21 F
Dew Temp34.7 323636.234.72 F
Humidity95 97.991009897.74 %
Wind Speed6 5.1624.8 mph
Wind Dir270 292.0278246Az=272
Pressure25.55 25.5925.5125.94+0.04 inHg
Precip 0 0 Dew?
Time PST01:46:19M3 OUT01:46:2101:46:1801:46:2101:46:21
KAIT inch Rain & Dew 11-18-2025 01:46:19 Raining! rainint= 5% outdew= 84% indew= 0%
120 inch Rain & Dew 11-18-2025 01:46:18 Raining! rainint= 0% outdew= 87% indew= 0%
40 inch Rain & Dew 11-18-2025 01:46:18 Raining! rainint= 8% outdew= 87% indew= 0%
Crossley Rain & Dew 11-18-2025 01:46:17 No Rain rainint= 3% outdew= 88% indew= 0%
Particles um0.30.50.71.02.03.05.010.0Time
Out per 0.24 liter4442802502372141811464001:37:31
In per 0.24 liter8739 01:35:14

Estimated combined 0.3+0.5um particles weight as of 11-18-2025 01:37:31 is 4 ug/m3
Estimated PM2.5 Air Quality Index is 695 Hazardous , TSP is 7473 Urgent

120 Dome Floor Air Particles 11-18-2025 01:35:14 0.3 um=87 0.5 um=39
Outside Air Particles by APF11-18-2025_01:37:31_0.3um=568_0.5um=358_0.7um=320_1.0um=303_2.0um=274_3.0um=232_5.0um=187_10.0um=52_sc=8929164_fl=0.8_st=23_er=0_RH=102%_T=37.58F

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 68 feet above MH & estimated cloud temp is 36 F