| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.98 | 2.08 | -0.10 | 
| Feb | 1.87 | 1.94 | -0.07 | 
| Mar | 2.47 | 2.54 | -0.07 | 
| Apr | 3.75 | 3.77 | -0.02 | 
| May | 4.58 | 4.70 | -0.12 | 
| Jun | 4.08 | 4.12 | -0.04 | 
| Jul | 3.93 | 3.68 | 0.25 | 
| Aug | 3.57 | 3.32 | 0.25 | 
| Sep | 3.34 | 3.51 | -0.17 | 
| Oct | 3.02 | 3.04 | -0.02 | 
| Nov | 2.57 | 2.67 | -0.10 | 
| Dec | 2.11 | 2.14 | -0.03 | 
| 37.27 | 37.51 | -0.24 |