Mt Hamilton Weather
LO FriendsDavisCopDavis120VaisaAPFDavis40DavisCroAverage
Temp Out52.453.651.0851.1 52.04 F
Dew Temp31.537.335.637.7 35.52 F
Humidity45545560 53.5 %
Wind Speed17204.011 13 mph
Wind Dir324350304.0360 Az=335
Pressure25.8525.8925.925.83 +0.35 inHg
Precip 00 0 No Precip
Time PST06:23:0506:23:0406:23:0606:23:05M9 OUT06:23:04
KAIT inch Rain & Dew 12-05-2025 06:23:05 No Rain rainint= 1% outdew= 1% indew= 0%
120 inch Rain & Dew 12-05-2025 06:23:04 No Rain rainint= 0% outdew= 1% indew= 0%
40 inch Rain & Dew 12-05-2025 06:23:05 No Rain rainint= 1% outdew= 0% indew= 0%
Crossley Rain & Dew 12-05-2025 06:23:06 No Rain rainint= 0% outdew= 1% indew= 0%
Particles um0.30.50.71.02.03.05.010.0Time
Out per 0.24 liter12261164820720006:17:14
In per 0.24 liter77388 05:56:28

Estimated combined 0.3+0.5um particles weight as of 12-05-2025 06:17:14 is 4 ug/m3
Estimated PM2.5 Air Quality Index is 22 Good , TSP is 34 Normal

120 Dome Floor Air Particles 12-05-2025 05:56:28 0.3 um=773 0.5 um=88
Outside Air Particles by APF12-05-2025_06:17:14_0.3um=1763_0.5um=168_0.7um=70_1.0um=30_2.0um=11_3.0um=4_5.0um=1_10.0um=0_sc=10414479_fl=0.9_st=23_er=0_RH=54%_T=50.72F

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 3704 feet above MH & estimated cloud temp is 17 F