Mt Hamilton Weather

08-09-2025	DavisCop	Davis120	VaisaAPF	Davis40	DavisCro	Average
Temp Out	75.8	77.1	75.92	75	77.6	76.28 F
Dew Temp	38.3	46.4	41.18	47.5	47.6	44.19 F
Humidity	26	34	29	38	35	32.4 %
Wind Speed	2	5	0	0	2	2 mph
Wind Dir	148	179	North	113	96	Az=81
Pressure	25.75	25.79	25.8	25.72	25.85	+0.25 inHg
Precip		0	0	0		No Precip
Time PST	02:08:34	02:08:33	02:08:34	02:08:31	02:08:34	02:08:34

KAIT Rain & Dew 08-09-2025 02:08:34 No Rain rainint= 1% outdew= 1% indew= 0%
120 inch Rain & Dew 08-09-2025 02:08:30 No Rain rainint=100% outdew= 0% indew= 0%
40 inch Rain & Dew 08-09-2025 02:08:31 No Rain rainint= 3% outdew= 1% indew= 0%
Crossley Rain & Dew 08-09-2025 02:08:34 No Rain rainint= 0% outdew= 0% 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	10970	819	379	245	94	35	16	1	02:07:01
In per 0.24 liter	2579	209							01:57:27

Estimated combined 0.3+0.5um particles weight as of 08-09-2025 02:07:01 is 41 ug/m3
Estimated PM2.5 Air Quality Index is 305 Hazardous , TSP is 804 on Alert

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 8 F