| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.51 | 1.52 | -0.01 | 
| Feb | 1.67 | 1.69 | -0.02 | 
| Mar | 2.40 | 2.28 | 0.12 | 
| Apr | 3.66 | 3.67 | -0.01 | 
| May | 4.42 | 4.39 | 0.03 | 
| Jun | 5.23 | 5.16 | 0.07 | 
| Jul | 4.52 | 4.33 | 0.19 | 
| Aug | 3.99 | 3.82 | 0.17 | 
| Sep | 3.63 | 3.53 | 0.10 | 
| Oct | 2.87 | 2.79 | 0.08 | 
| Nov | 2.38 | 2.27 | 0.11 | 
| Dec | 1.84 | 1.90 | -0.06 | 
| 38.12 | 37.35 | 0.77 |