| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.65 | 0.70 | -0.05 | 
| Feb | 0.65 | 0.71 | -0.06 | 
| Mar | 1.21 | 1.29 | -0.08 | 
| Apr | 2.11 | 2.25 | -0.14 | 
| May | 3.38 | 3.41 | -0.03 | 
| Jun | 4.28 | 4.30 | -0.02 | 
| Jul | 4.34 | 4.34 | 0.00 | 
| Aug | 3.39 | 3.18 | 0.21 | 
| Sep | 2.89 | 2.85 | 0.04 | 
| Oct | 2.69 | 2.75 | -0.06 | 
| Nov | 1.23 | 1.25 | -0.02 | 
| Dec | 0.89 | 0.93 | -0.04 | 
| 27.71 | 27.96 | -0.25 |