Mt Hamilton Weather
LO FriendsDavisCopDavis120VaisaAPFDavis40DavisCroAverage
Temp Out74.676.775.274.777.275.67 F
Dew Temp34.243.639.014544.841.32 F
Humidity233127353229.6 %
Wind Speed12165.4101110.9 mph
Wind Dir34917353.054315Az=1
Pressure25.825.8525.8625.7825.95+0.31 inHg
Precip 00 0 No Precip
Time PST06:36:4306:36:4206:36:4306:36:3706:36:4006:36:41
KAIT inch Rain & Dew 10-06-2026 06:36:43 No Rain rainint= 1% outdew= 1% indew= 0%
120 inch Rain & Dew 10-06-2026 06:36:39 No Rain rainint= 0% outdew= 1% indew= 0%
40 inch Rain & Dew 10-06-2026 06:36:41 No Rain rainint= 0% outdew= 0% indew= 0%
Crossley Rain & Dew 10-06-2026 06:36:40 No Rain rainint= 0% outdew= 0% indew= 0%
Particles um0.30.50.71.02.03.05.010.0Time
Out per 0.24 liter4587378186129752711006:31:11
In per 0.24 liter21469967 ------

Estimated combined 0.3+0.5um particles weight as of 10-06-2026 06:31:11 is 18 ug/m3
Estimated PM2.5 Air Quality Index is 243 Very Unhealthy , TSP is 503 on Attention

120 Dome Floor Air Particles 07-26-2026 19:41:57 0.3 um=21469 0.5 um=967
Outside Air Particles by APF10-06-2026_06:31:11_0.3um=6595_0.5um=544_0.7um=268_1.0um=186_2.0um=108_3.0um=40_5.0um=17_10.0um=1_sc=2219563_fl=0.9_st=23_er=0_RH=29%_T=74.66F

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 7522 feet above MH & estimated cloud temp is 2 F