| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.95 | 2.07 | -0.12 | 
| Feb | 1.87 | 1.97 | -0.10 | 
| Mar | 2.47 | 2.55 | -0.08 | 
| Apr | 3.81 | 3.82 | -0.01 | 
| May | 4.69 | 4.71 | -0.02 | 
| Jun | 4.20 | 4.16 | 0.04 | 
| Jul | 3.91 | 3.72 | 0.19 | 
| Aug | 3.59 | 3.30 | 0.29 | 
| Sep | 3.44 | 3.61 | -0.17 | 
| Oct | 3.07 | 3.05 | 0.02 | 
| Nov | 2.57 | 2.71 | -0.14 | 
| Dec | 2.09 | 2.16 | -0.07 | 
| 37.66 | 37.83 | -0.17 |