| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.69 | 1.68 | 0.01 | 
| Feb | 1.78 | 1.83 | -0.05 | 
| Mar | 2.47 | 2.43 | 0.04 | 
| Apr | 3.78 | 3.73 | 0.05 | 
| May | 4.83 | 4.86 | -0.03 | 
| Jun | 4.71 | 4.69 | 0.02 | 
| Jul | 3.94 | 4.02 | -0.08 | 
| Aug | 3.82 | 3.95 | -0.13 | 
| Sep | 3.46 | 3.53 | -0.07 | 
| Oct | 2.82 | 2.93 | -0.11 | 
| Nov | 2.45 | 2.42 | 0.03 | 
| Dec | 2.05 | 2.04 | 0.01 | 
| 37.80 | 38.11 | -0.31 |