| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.96 | 1.09 | -0.13 | 
| Feb | 0.89 | 0.99 | -0.10 | 
| Mar | 1.41 | 1.45 | -0.04 | 
| Apr | 2.46 | 2.54 | -0.08 | 
| May | 3.19 | 3.22 | -0.03 | 
| Jun | 4.29 | 4.23 | 0.06 | 
| Jul | 3.96 | 3.79 | 0.17 | 
| Aug | 3.57 | 3.72 | -0.15 | 
| Sep | 3.24 | 3.38 | -0.14 | 
| Oct | 2.93 | 3.01 | -0.08 | 
| Nov | 1.76 | 1.95 | -0.19 | 
| Dec | 1.32 | 1.39 | -0.07 | 
| 29.98 | 30.76 | -0.78 |