| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.12 | 2.17 | -0.05 | 
| Feb | 1.89 | 1.99 | -0.10 | 
| Mar | 2.53 | 2.65 | -0.12 | 
| Apr | 3.81 | 3.86 | -0.05 | 
| May | 4.58 | 4.82 | -0.24 | 
| Jun | 4.10 | 4.20 | -0.10 | 
| Jul | 4.17 | 3.73 | 0.44 | 
| Aug | 3.66 | 3.42 | 0.24 | 
| Sep | 3.34 | 3.32 | 0.02 | 
| Oct | 3.11 | 3.13 | -0.02 | 
| Nov | 2.73 | 2.72 | 0.01 | 
| Dec | 2.18 | 2.27 | -0.09 | 
| 38.22 | 38.28 | -0.06 |