Mt Hamilton Weather

08-04-2026	DavisCop	Davis120	VaisaAPF	Davis40	DavisCro	Average
Temp Out	80	84.3	80.24	80.6	80.9	81.2 F
Dew Temp	18.2	48.4	44.42	48.6	52.8	42.48 F
Humidity	10	29	28	33	38	27.6 %
Wind Speed	9	5	3.6	6	4	5.5 mph
Wind Dir	189	202	221.0	192	221	Az=205
Pressure	25.67	25.74	25.75	25.67	25.8	+0.2 inHg
Precip		0	0	0		No Precip
Time PST	17:41:38	17:41:38	17:41:39	17:41:37	17:41:39	17:41:39

KAIT Rain & Dew 08-04-2026 17:41:38 No Rain rainint= 1% outdew= 1% indew= 0%
120 inch Rain & Dew 08-04-2026 17:41:38 No Rain rainint= 0% outdew= 1% indew= 0%
40 inch Rain & Dew 08-04-2026 17:41:37 No Rain rainint= 0% outdew= 0% indew= 0%
Crossley Rain & Dew 08-04-2026 17:41:39 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	10342	1873	798	408	137	30	7	0	17:37:46
In per 0.24 liter	21469	967							------

Estimated combined 0.3+0.5um particles weight as of 08-04-2026 17:37:46 is 53 ug/m3
Estimated PM2.5 Air Quality Index is 445 Hazardous , TSP is 749 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 8159 feet above MH & estimated cloud temp is 4 F