| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.82 | 0.95 | -0.13 | 
| Feb | 0.74 | 0.86 | -0.12 | 
| Mar | 1.03 | 1.13 | -0.10 | 
| Apr | 1.85 | 2.00 | -0.15 | 
| May | 2.94 | 2.99 | -0.05 | 
| Jun | 4.14 | 4.17 | -0.03 | 
| Jul | 3.89 | 4.03 | -0.14 | 
| Aug | 3.33 | 3.16 | 0.17 | 
| Sep | 3.44 | 3.48 | -0.04 | 
| Oct | 2.59 | 2.65 | -0.06 | 
| Nov | 1.48 | 1.49 | -0.01 | 
| Dec | 1.02 | 1.15 | -0.13 | 
| 27.27 | 28.06 | -0.79 |