| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.74 | 1.87 | -0.13 | 
| Feb | 1.77 | 1.79 | -0.02 | 
| Mar | 2.29 | 2.29 | 0.00 | 
| Apr | 3.73 | 3.78 | -0.05 | 
| May | 4.79 | 4.94 | -0.15 | 
| Jun | 4.58 | 4.47 | 0.11 | 
| Jul | 3.93 | 3.83 | 0.10 | 
| Aug | 3.90 | 4.07 | -0.17 | 
| Sep | 3.39 | 3.45 | -0.06 | 
| Oct | 3.26 | 3.26 | 0.00 | 
| Nov | 2.46 | 2.54 | -0.08 | 
| Dec | 2.03 | 2.15 | -0.12 | 
| 37.87 | 38.44 | -0.57 |