| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.24 | 3.19 | 0.05 | 
| Feb | 3.08 | 3.09 | -0.01 | 
| Mar | 4.38 | 4.24 | 0.14 | 
| Apr | 5.42 | 5.23 | 0.19 | 
| May | 5.08 | 5.02 | 0.06 | 
| Jun | 4.43 | 4.39 | 0.04 | 
| Jul | 3.94 | 3.79 | 0.15 | 
| Aug | 3.20 | 3.05 | 0.15 | 
| Sep | 3.31 | 3.16 | 0.15 | 
| Oct | 3.58 | 3.49 | 0.09 | 
| Nov | 4.15 | 4.11 | 0.04 | 
| Dec | 3.50 | 3.54 | -0.04 | 
| 47.31 | 46.30 | 1.01 |