Mt Hamilton Weather
LO FriendsDavisCopDavis120VaisaAPFDavis40DavisCroAverage
Temp Out51.152.251.6250.452.351.52 F
Dew Temp31.43638.1137.938.936.46 F
Humidity475460626056.6 %
Wind Speed1513013710 mph
Wind Dir272304North360250Az=324
Pressure29.7229.7525.825.7326.06+0.25 inHg
Precip 00 0 No Precip
Time PST17:54:4917:54:4717:54:4917:54:4517:54:4917:54:49
KAIT inch Rain & Dew 05-25-2025 17:54:49 No Rain rainint= 1% outdew= 1% indew= 0%
120 inch Rain & Dew 05-25-2025 17:54:50 No Rain rainint= 0% outdew= 13% indew= 0%
40 inch Rain & Dew 05-25-2025 17:54:45 No Rain rainint= 3% outdew= 1% indew= 0%
Crossley Rain & Dew 05-25-2025 17:54:49 No Rain rainint= 0% outdew= 0% indew= 0%
Particles um0.30.50.71.02.03.05.010.0Time
Out per 0.24 liter373846725216557195017:47:35
In per 0.24 liter955103 03:07:15

Estimated combined 0.3+0.5um particles weight as of 05-25-2025 17:47:35 is 16 ug/m3
Estimated PM2.5 Air Quality Index is 185 Unhealthy , TSP is 347 Above Primary Standard

120 Dome Floor Air Particles 05-25-2025 03:07:15 0.3 um=955 0.5 um=103
Outside Air Particles by APF05-25-2025_17:47:35_0.3um=4777_0.5um=597_0.7um=323_1.0um=211_2.0um=74_3.0um=25_5.0um=7_10.0um=1_sc=2772949_fl=0.8_st=23_er=0_RH=46%_T=58.64F

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 3681 feet above MH & estimated cloud temp is 15 F