| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.73 | 1.71 | 0.02 | 
| Feb | 1.62 | 1.72 | -0.10 | 
| Mar | 2.21 | 2.24 | -0.03 | 
| Apr | 3.77 | 3.68 | 0.09 | 
| May | 4.35 | 4.32 | 0.03 | 
| Jun | 4.92 | 5.09 | -0.17 | 
| Jul | 3.86 | 3.71 | 0.15 | 
| Aug | 4.06 | 3.91 | 0.15 | 
| Sep | 3.49 | 3.66 | -0.17 | 
| Oct | 3.02 | 2.94 | 0.08 | 
| Nov | 2.40 | 2.37 | 0.03 | 
| Dec | 2.03 | 1.99 | 0.04 | 
| 37.46 | 37.34 | 0.12 |