| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.00 | 3.32 | -0.32 | 
| Feb | 2.69 | 2.79 | -0.10 | 
| Mar | 3.37 | 3.49 | -0.12 | 
| Apr | 3.50 | 3.64 | -0.14 | 
| May | 3.75 | 3.52 | 0.23 | 
| Jun | 4.64 | 4.25 | 0.39 | 
| Jul | 4.39 | 4.22 | 0.17 | 
| Aug | 4.39 | 4.53 | -0.14 | 
| Sep | 4.36 | 4.39 | -0.03 | 
| Oct | 4.40 | 4.56 | -0.16 | 
| Nov | 3.26 | 3.33 | -0.07 | 
| Dec | 3.66 | 4.10 | -0.44 | 
| 45.41 | 46.14 | -0.73 |