State of the Lake 2009 - Tahoe Environmental Research Center ...
State of the Lake 2009 - Tahoe Environmental Research Center ...
State of the Lake 2009 - Tahoe Environmental Research Center ...
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Inches<br />
70<br />
60<br />
50<br />
40<br />
30<br />
20<br />
10<br />
0<br />
METEOROLOGY<br />
Annual precipitation<br />
Yearly since 1910<br />
From 1910 to 2008, average annual precipitation<br />
(water equivalent <strong>of</strong> rain and<br />
snow) was 31.6 inches. The maximum<br />
was 69.2 inches in 1982. The minimum<br />
was 9.2 inches in 1977. 2008 was <strong>the</strong><br />
1910<br />
1920<br />
1930<br />
1940<br />
1950<br />
TAHOE: STATE OF THE LAKE REPORT <strong>2009</strong><br />
12th driest year on record, with only<br />
19.3 inches <strong>of</strong> precipitation. (Precipitation<br />
is summed over <strong>the</strong> Water Year,<br />
which extends from October 1 through<br />
September 30.)<br />
1960<br />
1970<br />
1980<br />
Water Year (Oct. 1 − Sep. 30)<br />
1990<br />
2000<br />
175<br />
150<br />
125<br />
100<br />
75<br />
50<br />
25<br />
0<br />
Centimeters<br />
7.5
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