Mt Hamilton Weather
01-14-2026DavisCopDavis120VaisaAPFDavis40DavisCroAverage
Temp Out62.966.360.6261.965.763.48 F
Dew Temp-2.511.911.6522.51511.71 F
Humidity71214221413.8 %
Wind Speed13133.6568.1 mph
Wind Dir16339.036011Az=14
Pressure25.972626.0225.9526.24+0.47 inHg
Precip 00 0 No Precip
Time PST05:20:5005:20:5305:20:5305:20:5205:20:5205:20:52
KAIT Rain & Dew 01-14-2026 05:20:50 No Rain rainint= 1% outdew= 1% indew= 0%
120 inch Rain & Dew 01-14-2026 05:20:53 No Rain rainint= 0% outdew= 1% indew= 0%
40 inch Rain & Dew 01-14-2026 05:20:52 No Rain rainint= 0% outdew= 0% indew= 0%
Crossley Rain & Dew 01-14-2026 05:20:52 No Rain rainint= 0% outdew= 0% indew= 0%
Particles um0.30.50.71.02.03.05.010.0Time
Out per 0.24 liter445421710500005:18:36
In per 0.24 liter24224 05:07:18

Estimated combined 0.3+0.5um particles weight as of 01-14-2026 05:18:36 is 1 ug/m3
Estimated PM2.5 Air Quality Index is 16 Good , TSP is 18 Normal

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 12363 feet above MH & estimated cloud temp is -56 F