| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.47 | 0.60 | -0.13 | 
| Feb | 0.57 | 0.69 | -0.12 | 
| Mar | 1.12 | 1.37 | -0.25 | 
| Apr | 2.06 | 2.29 | -0.23 | 
| May | 2.44 | 2.51 | -0.07 | 
| Jun | 1.65 | 1.77 | -0.12 | 
| Jul | 1.76 | 1.76 | 0.00 | 
| Aug | 1.65 | 1.71 | -0.06 | 
| Sep | 1.29 | 1.21 | 0.08 | 
| Oct | 1.05 | 1.15 | -0.10 | 
| Nov | 0.68 | 0.82 | -0.14 | 
| Dec | 0.53 | 0.56 | -0.03 | 
| 15.27 | 16.44 | -1.17 |