| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.25 | 2.31 | -0.06 | 
| Feb | 1.99 | 2.04 | -0.05 | 
| Mar | 2.51 | 2.72 | -0.21 | 
| Apr | 4.01 | 4.06 | -0.05 | 
| May | 4.54 | 4.43 | 0.11 | 
| Jun | 4.54 | 4.57 | -0.03 | 
| Jul | 4.15 | 4.09 | 0.06 | 
| Aug | 3.19 | 3.06 | 0.13 | 
| Sep | 3.20 | 3.09 | 0.11 | 
| Oct | 3.24 | 3.25 | -0.01 | 
| Nov | 3.14 | 3.17 | -0.03 | 
| Dec | 2.31 | 2.39 | -0.08 | 
| 39.07 | 39.18 | -0.11 |