Mt Hamilton Weather
LO FriendsDavisCopDavis120VaisaAPFDavis40DavisCroAverage
Temp Out55.65552.5254.456.154.72 F
Dew Temp42.447.647.66495047.33 F
Humidity617683828076.4 %
Wind Speed010.2120.8 mph
Wind Dir128327150.0271246Az=229
Pressure25.7725.8125.8325.7626.12+0.28 inHg
Precip 00 0 No Precip
Time PST16:33:0116:33:0516:33:0716:33:0616:33:0716:33:05
KAIT inch Rain & Dew 03-03-2026 16:33:04 No Rain rainint= 4% outdew= 1% indew= 0%
120 inch Rain & Dew 03-03-2026 16:33:05 No Rain rainint= 0% outdew= 1% indew= 0%
40 inch Rain & Dew 03-03-2026 16:33:06 No Rain rainint= 1% outdew= 0% indew= 0%
Crossley Rain & Dew 03-03-2026 16:33:07 No Rain rainint= 0% outdew= 5% indew= 0%
Particles um0.30.50.71.02.03.05.010.0Time
Out per 0.24 liter11700111365940382101016:26:56
In per 0.24 liter1791209 16:06:23

Estimated combined 0.3+0.5um particles weight as of 03-03-2026 16:26:56 is 47 ug/m3
Estimated PM2.5 Air Quality Index is 266 Very Unhealthy , TSP is 420 on Attention

120 Dome Floor Air Particles 03-03-2026 16:06:23 0.3 um=1791 0.5 um=209
Outside Air Particles by APF03-03-2026_16:26:56_0.3um=13082_0.5um=1245_0.7um=737_1.0um=451_2.0um=92_3.0um=12_5.0um=2_10.0um=1_sc=18052898_fl=0.7_st=23_er=0_RH=69%_T=56.84F

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 1681 feet above MH & estimated cloud temp is 38 F