Mt Hamilton Weather

06-25-2026	DavisCop	Davis120	VaisaAPF	Davis40	DavisCro	Average
Temp Out	72.8	78.5	78.08	73.7	76.7	75.95 F
Dew Temp	25.4	39.6	30.2	31.2	32.5	31.78 F
Humidity	17	25	17	21	20	20 %
Wind Speed	5	0	2.2	3	1	2.2 mph
Wind Dir	193	75	180.0	206	277	Az=195
Pressure	25.71	25.75	25.76	25.68	25.89	+0.21 inHg
Precip		0	0	0		No Precip
Time PST	09:22:10	09:22:09	09:22:11	09:22:08	09:22:08	09:22:09

KAIT Rain & Dew 06-25-2026 09:22:10 No Rain rainint= 1% outdew= 1% indew= 0%
120 inch Rain & Dew 06-25-2026 09:22:06 No Rain rainint= 0% outdew= 1% indew= 0%
40 inch Rain & Dew 06-25-2026 09:22:08 No Rain rainint= 0% outdew= 0% indew= 0%
Crossley Rain & Dew 06-25-2026 09:22:05 No Rain rainint= 0% outdew= 1% indew= 0%

Particles um	0.3	0.5	0.7	1.0	2.0	3.0	5.0	10.0	Time
Out per 0.24 liter	3358	309	115	60	28	9	5	1	09:20:22
In per 0.24 liter	2392	181							09:03:07

Estimated combined 0.3+0.5um particles weight as of 06-25-2026 09:20:22 is 13 ug/m3
Estimated PM2.5 Air Quality Index is 91 Moderate , TSP is 311 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 8840 feet above MH & estimated cloud temp is -9 F