Mt Hamilton Weather

04-23-2026	DavisCop	Davis120	VaisaAPF	Davis40	DavisCro	Average
Temp Out		43.7	45.5	43.2	45.1	44.37 F
Dew Temp		37.6	40.64	40.4	40.5	39.78 F
Humidity		79	83	90	84	84 %
Wind Speed		22	5.1	11	7	11.3 mph
Wind Dir		4	316.0	360	310	Az=337
Pressure	25.74	25.8	25.83	25.76	26.18	+0.28 inHg
Precip		0	0	0		No Precip
Time PST	07:39:44	07:39:42	07:39:44	07:39:41	07:39:44	07:39:43

KAIT Rain & Dew 04-23-2026 07:39:44 No Rain rainint= 2% outdew= 1% indew= 0%
120 inch Rain & Dew 04-23-2026 07:39:42 No Rain rainint= 0% outdew= 1% indew= 0%
40 inch Rain & Dew 04-23-2026 07:39:41 No Rain rainint= 2% outdew= 0% indew= 0%
Crossley Rain & Dew 04-23-2026 07:39:44 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	1101	194	97	59	23	0	0	0	07:30:13
In per 0.24 liter	552	70							07:16:34

Estimated combined 0.3+0.5um particles weight as of 04-23-2026 07:30:13 is 5 ug/m3
Estimated PM2.5 Air Quality Index is 74 Moderate , TSP is 88 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 1386 feet above MH & estimated cloud temp is 30 F