| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.65 | 0.71 | -0.06 | 
| Feb | 0.68 | 0.71 | -0.03 | 
| Mar | 1.28 | 1.34 | -0.06 | 
| Apr | 2.17 | 2.34 | -0.17 | 
| May | 3.53 | 3.52 | 0.01 | 
| Jun | 4.34 | 4.38 | -0.04 | 
| Jul | 4.46 | 4.44 | 0.02 | 
| Aug | 3.49 | 3.32 | 0.17 | 
| Sep | 2.96 | 2.88 | 0.08 | 
| Oct | 2.77 | 2.72 | 0.05 | 
| Nov | 1.33 | 1.33 | 0.00 | 
| Dec | 0.93 | 0.95 | -0.02 | 
| 28.59 | 28.64 | -0.05 |