San Luis Dam
Elev. 277 ft.

30 Year Normals (1971-2000)
Month January February March April May June July August September October November December Annual Month
N
o
r
m
a
l
Maximum 54.1 60.5 65.3 71.6 78.4 85.6 91.2 90.5 86.6 78.0 64.3 54.8 73.4 Maximum N
o
r
m
a
l
Minimum 36.4 40.7 45.4 49.2 54.2 58.9 63.2 62.9 59.8 52.7 43.5 35.9 50.2 Minimum
Precipitation 2.10 2.11 1.74 0.55 0.49 0.05 0.03 0.10 0.23 0.54 1.25 1.33 10.52 Precipitation
Degree
Days
Heating 613 403 306 175 81 17 1 0 5 78 337 609 2625 Heating Degree
Days
Cooling 0 0 6 37 121 234 379 364 251 89 5 0 1486 Cooling
Monthly Precipitation
Year January February March April May June July August September October November December Annual Season
2007 0.58 1.49 0.28 0.32 0.01 0 0 0 M M M M M 2007-08 M
2006 2.39 0.76 3.04 1.25 1.09 0 0 0 0 0.32 0.55 1.07 10.47 2006-07 4.62
2005 1.74 3.12 2.13 0.70 0.61 0.10 0 0.04 0.03 0.06 0.28 2.59 11.40 2005-06 11.53
2004 0.89 2.42 0.31 0.11 0.11 0 0 0 0.07 1.84 0.96 2.81 9.52 2004-05 14.08
2003 0.67 1.41 0.97 0.58 0.70 0 T 0.35 0 0.08 0.64 3.36 8.76 2003-04 8.27
2002 0.77 0.53 0.85 0.17 0.23 0 0 0 0 0 2.04 2.96 7.55 2002-03 9.33
2001 2.49 2.43 1.40 0.62 0 0 0 0 0 0.13 1.97 2.23 11.27 2001-02 6.88
2000 3.50 4.03 0.47 0.58 0.12 0.04 0 0 0.03 2.10 0.44 0.18 11.49 2000-01 9.66
1999 2.39 1.10 2.08 0.48 0.08 0 0 0 0 0.03 0.40 0.05 6.61 1999-00 9.22
1998 3.35 9.03 1.97 1.75 6.56 0.02 0 0 0 0.40 1.54 0.49 25.11 1998-99 8.56
1997 5.91 0.13 0.03 0.01 0.16 0.05 0 0 0 0.17 2.95 1.95 11.36 1997-98 27.75
1996 2.37 3.44 1.13 0.39 0.74 0 0 0 0 1.78 2.32 3.92 16.09 1996-97 14.31

Station closed on August 31, 2007

Map of the San Luis Dam region

Map from tiger.census.gov