| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.78 | 1.81 | -0.03 | 
| Feb | 1.78 | 1.79 | -0.01 | 
| Mar | 2.25 | 2.24 | 0.01 | 
| Apr | 3.72 | 3.69 | 0.03 | 
| May | 4.66 | 4.77 | -0.11 | 
| Jun | 4.73 | 4.68 | 0.05 | 
| Jul | 3.97 | 3.88 | 0.09 | 
| Aug | 3.84 | 3.95 | -0.11 | 
| Sep | 3.47 | 3.49 | -0.02 | 
| Oct | 3.18 | 3.13 | 0.05 | 
| Nov | 2.44 | 2.44 | 0.00 | 
| Dec | 2.03 | 2.06 | -0.03 | 
| 37.85 | 37.93 | -0.08 |