Mt Hamilton Weather
LO FriendsDavisCopDavis120VaisaAPFDavis40DavisCroAverage
Temp Out56.858.463.558.862.560 F
Dew Temp4953.554.6855.555.953.71 F
Humidity758473897980 %
Wind Speed14204.912912.0 mph
Wind Dir270335254.0360257Az=293
Pressure25.6925.7625.7725.6925.98+0.22 inHg
Precip 00 0 No Precip
Time PST15:01:2715:01:2915:01:3015:01:3015:01:2815:01:28
KAIT inch Rain & Dew 06-26-2026 15:01:27 No Rain rainint= 1% outdew= 1% indew= 0%
120 inch Rain & Dew 06-26-2026 15:01:29 No Rain rainint= 0% outdew= 1% indew= 0%
40 inch Rain & Dew 06-26-2026 15:01:30 No Rain rainint= 1% outdew= 0% indew= 0%
Crossley Rain & Dew 06-26-2026 15:01:28 No Rain rainint= 0% outdew= 2% indew= 0%
Particles um0.30.50.71.02.03.05.010.0Time
Out per 0.24 liter8119347291111014:53:54
In per 0.24 liter1174100 14:42:55

Estimated combined 0.3+0.5um particles weight as of 06-26-2026 14:53:54 is 3 ug/m3
Estimated PM2.5 Air Quality Index is 35 Good , TSP is 57 Normal

120 Dome Floor Air Particles 06-26-2026 14:42:55 0.3 um=1174 0.5 um=100
Outside Air Particles by APF06-26-2026_14:53:54_0.3um=1166_0.5um=134_0.7um=68_1.0um=43_2.0um=16_3.0um=2_5.0um=2_10.0um=0_sc=1202719_fl=0.9_st=23_er=0_RH=53%_T=71.96F

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 1113 feet above MH & estimated cloud temp is 47 F