| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.10 | 2.12 | -0.02 | 
| Feb | 1.86 | 1.82 | 0.04 | 
| Mar | 2.55 | 2.57 | -0.02 | 
| Apr | 4.01 | 3.88 | 0.13 | 
| May | 4.64 | 4.74 | -0.10 | 
| Jun | 4.28 | 4.09 | 0.19 | 
| Jul | 3.72 | 3.84 | -0.12 | 
| Aug | 3.57 | 3.52 | 0.05 | 
| Sep | 3.07 | 3.08 | -0.01 | 
| Oct | 3.21 | 3.04 | 0.17 | 
| Nov | 2.81 | 2.78 | 0.03 | 
| Dec | 2.07 | 2.11 | -0.04 | 
| 37.89 | 37.59 | 0.30 |