Mt Hamilton Weather
LO FriendsDavisCopDavis120VaisaAPFDavis40DavisCroAverage
Temp Out40.541.641.5442.4 41.51 F
Dew Temp38.840.73242.4 38.47 F
Humidity9497100100 97.75 %
Wind Speed9802 5 mph
Wind Dir169166North124 Az=83
Pressure25.6525.6825.725.6326.04+0.15 inHg
Precip 01 0 Dew/Driz
Time PST11:04:1911:04:2211:04:2111:04:1811:04:2211:04:20
KAIT inch Rain & Dew 04-17-2025 11:04:19 No Rain rainint= 0% outdew= 0% indew= 5%
120 inch Rain & Dew 04-17-2025 11:04:22 No Rain rainint= 1% outdew= 0% indew= 0%
40 inch Rain & Dew 04-17-2025 11:04:18 No Rain rainint= 3% outdew= 1% indew= 0%
Crossley Rain & Dew 04-17-2025 11:04:19 No Rain rainint= 0% outdew= 44% indew= 1%
Particles um0.30.50.71.02.03.05.010.0Time
Out per 0.24 liter39121370413680936595356503127421127102410:58:51
In per 0.24 liter63817 11:00:12

Estimated combined 0.3+0.5um particles weight as of 04-17-2025 10:58:51 is 605 ug/m3
Estimated PM2.5 Air Quality Index is 115862 Hazardous , TSP is 602990 Urgent

120 Dome Floor Air Particles 04-17-2025 11:00:12 0.3 um=638 0.5 um=17
Outside Air Particles by APF04-17-2025_10:58:51_0.3um=37491_0.5um=35498_0.7um=35276_1.0um=35071_2.0um=34165_3.0um=29971_5.0um=20247_10.0um=982_sc=22515631_fl=0.6_st=23_er=0_RH=97%_T=46.76F

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 204 feet above MH & estimated cloud temp is 39 F