| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.75 | 0.92 | -0.17 | 
| Feb | 0.78 | 0.87 | -0.09 | 
| Mar | 1.58 | 1.70 | -0.12 | 
| Apr | 2.85 | 3.09 | -0.24 | 
| May | 4.15 | 4.24 | -0.09 | 
| Jun | 4.57 | 4.65 | -0.08 | 
| Jul | 4.19 | 4.34 | -0.15 | 
| Aug | 4.42 | 4.21 | 0.21 | 
| Sep | 3.28 | 3.32 | -0.04 | 
| Oct | 2.84 | 2.87 | -0.03 | 
| Nov | 1.58 | 1.67 | -0.09 | 
| Dec | 1.06 | 1.29 | -0.23 | 
| 32.05 | 33.17 | -1.12 |