| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.98 | 1.95 | 0.03 | 
| Feb | 1.74 | 1.81 | -0.07 | 
| Mar | 2.27 | 2.30 | -0.03 | 
| Apr | 3.59 | 3.53 | 0.06 | 
| May | 4.63 | 4.47 | 0.16 | 
| Jun | 4.34 | 4.53 | -0.19 | 
| Jul | 3.91 | 4.12 | -0.21 | 
| Aug | 3.82 | 3.79 | 0.03 | 
| Sep | 3.36 | 3.35 | 0.01 | 
| Oct | 3.02 | 3.12 | -0.10 | 
| Nov | 2.45 | 2.40 | 0.05 | 
| Dec | 2.00 | 2.05 | -0.05 | 
| 37.11 | 37.42 | -0.31 |