| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.00 | 2.04 | -0.04 | 
| Feb | 1.72 | 1.87 | -0.15 | 
| Mar | 2.28 | 2.35 | -0.07 | 
| Apr | 3.81 | 3.85 | -0.04 | 
| May | 4.52 | 4.58 | -0.06 | 
| Jun | 4.41 | 4.43 | -0.02 | 
| Jul | 4.06 | 4.09 | -0.03 | 
| Aug | 3.99 | 3.86 | 0.13 | 
| Sep | 3.15 | 3.26 | -0.11 | 
| Oct | 3.35 | 3.34 | 0.01 | 
| Nov | 2.58 | 2.53 | 0.05 | 
| Dec | 2.10 | 2.14 | -0.04 | 
| 37.97 | 38.34 | -0.37 |