| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.50 | 3.59 | -0.09 | 
| Feb | 3.48 | 3.48 | 0.00 | 
| Mar | 4.43 | 4.49 | -0.06 | 
| Apr | 4.83 | 4.99 | -0.16 | 
| May | 4.97 | 5.20 | -0.23 | 
| Jun | 4.12 | 4.51 | -0.39 | 
| Jul | 4.29 | 4.27 | 0.02 | 
| Aug | 2.91 | 2.97 | -0.06 | 
| Sep | 3.44 | 3.50 | -0.06 | 
| Oct | 3.49 | 3.57 | -0.08 | 
| Nov | 3.81 | 3.84 | -0.03 | 
| Dec | 4.17 | 4.19 | -0.02 | 
| 47.44 | 48.60 | -1.16 |