| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.39 | 0.41 | -0.02 | 
| Feb | 0.42 | 0.45 | -0.03 | 
| Mar | 1.04 | 1.14 | -0.10 | 
| Apr | 1.95 | 2.00 | -0.05 | 
| May | 2.44 | 2.70 | -0.26 | 
| Jun | 1.76 | 1.67 | 0.09 | 
| Jul | 1.56 | 1.40 | 0.16 | 
| Aug | 1.30 | 1.31 | -0.01 | 
| Sep | 1.29 | 1.35 | -0.06 | 
| Oct | 1.10 | 1.13 | -0.03 | 
| Nov | 0.65 | 0.68 | -0.03 | 
| Dec | 0.36 | 0.47 | -0.11 | 
| 14.26 | 14.71 | -0.45 |