| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.82 | 1.87 | -0.05 | 
| Feb | 1.72 | 1.84 | -0.12 | 
| Mar | 2.22 | 2.27 | -0.05 | 
| Apr | 3.80 | 3.77 | 0.03 | 
| May | 4.17 | 4.38 | -0.21 | 
| Jun | 4.46 | 4.53 | -0.07 | 
| Jul | 3.58 | 3.72 | -0.14 | 
| Aug | 3.73 | 3.67 | 0.06 | 
| Sep | 3.49 | 3.47 | 0.02 | 
| Oct | 3.16 | 3.12 | 0.04 | 
| Nov | 2.44 | 2.36 | 0.08 | 
| Dec | 1.98 | 2.07 | -0.09 | 
| 36.57 | 37.07 | -0.50 |