Altamont Free Concert

Saturday, December 6, 1969Altamont Raceway Park, Tracy, California, United States

clear and cold44°F

Fog and cold in the small hours, the air near 31°F and the cloud right down on the hills. It held past dawn and through most of the morning. Then near 9am the grey began to lift and by early afternoon the sun was out, the air near 48°, warm enough in the open and cold the moment the light left. The sky stayed clear into the evening. By full dark the cold was coming back fast.

Rain
0.01"
Humidity
79%
Wind
10 mph
Daylight
9.7 hrs
High / Low
56° / 34°F
Felt like
49° / 28°F
Snowfall
0.0"
Pressure
30.06 inHg
Gusting to
13 mph
Wind from
southwest
Sunrise / Sunset
7:07 am / 4:47 pm
Day's character
partly cloudy

Pre-satellite record — solid, not exact. From the Stockton Metropolitan Airport station, 21 mi away.

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