Mt Hamilton Weather
10-04-2026DavisCopDavis120VaisaAPFDavis40DavisCroAverage
Temp Out 76.4 7576.876.06 F
Dew Temp 45.7 47.546.946.7 F
Humidity 34 383535.66 %
Wind Speed 123.41078.1 mph
Wind Dir 357328.0341281Az=328
Pressure25.8225.87 25.825.94--25.55 inHg
Precip 0 0 No Precip
Time PST21:36:0621:36:07M5 OUT21:36:1021:36:0721:36:22
KAIT Rain & Dew 10-04-2026 21:36:22 No Rain rainint= 1% outdew= 1% indew= 0%
120 inch Rain & Dew 10-04-2026 21:36:23 No Rain rainint= 0% outdew= 1% indew= 0%
40 inch Rain & Dew 10-04-2026 21:36:06 No Rain rainint= 0% outdew= 0% indew= 0%
Crossley Rain & Dew 10-04-2026 21:36:22 No Rain rainint= 0% outdew= 0% indew= 0%
Particles um0.30.50.71.02.03.05.010.0Time
Out per 0.24 liter ------
In per 0.24 liter21469967 ------

Estimated combined 0.3+0.5um particles weight as of 10-04-2026 09:21:47 is 9 ug/m3
Estimated PM2.5 Air Quality Index is 130 Unhealthy for Sensitive Groups , TSP is 304 Above Primary Standard

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 6977 feet above MH & estimated cloud temp is 7 F