| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.02 | 2.07 | -0.05 | 
| Feb | 1.74 | 1.88 | -0.14 | 
| Mar | 2.31 | 2.39 | -0.08 | 
| Apr | 3.78 | 3.87 | -0.09 | 
| May | 4.51 | 4.61 | -0.10 | 
| Jun | 4.41 | 4.49 | -0.08 | 
| Jul | 4.11 | 4.14 | -0.03 | 
| Aug | 4.00 | 3.93 | 0.07 | 
| Sep | 3.24 | 3.28 | -0.04 | 
| Oct | 3.29 | 3.36 | -0.07 | 
| Nov | 2.55 | 2.51 | 0.04 | 
| Dec | 2.08 | 2.15 | -0.07 | 
| 38.04 | 38.68 | -0.64 |