| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.86 | 1.90 | -0.04 | 
| Feb | 1.68 | 1.82 | -0.14 | 
| Mar | 2.23 | 2.31 | -0.08 | 
| Apr | 3.71 | 3.77 | -0.06 | 
| May | 4.63 | 4.51 | 0.12 | 
| Jun | 4.40 | 4.40 | 0.00 | 
| Jul | 3.94 | 3.94 | 0.00 | 
| Aug | 3.95 | 3.72 | 0.23 | 
| Sep | 3.20 | 3.32 | -0.12 | 
| Oct | 3.26 | 3.31 | -0.05 | 
| Nov | 2.46 | 2.47 | -0.01 | 
| Dec | 2.02 | 2.06 | -0.04 | 
| 37.34 | 37.53 | -0.19 |