| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.82 | 2.92 | -0.10 | 
| Feb | 2.36 | 2.44 | -0.08 | 
| Mar | 3.16 | 3.35 | -0.19 | 
| Apr | 4.19 | 4.38 | -0.19 | 
| May | 4.58 | 4.70 | -0.12 | 
| Jun | 5.03 | 5.05 | -0.02 | 
| Jul | 4.15 | 4.20 | -0.05 | 
| Aug | 3.44 | 3.20 | 0.24 | 
| Sep | 3.35 | 3.39 | -0.04 | 
| Oct | 3.17 | 3.21 | -0.04 | 
| Nov | 3.45 | 3.46 | -0.01 | 
| Dec | 2.82 | 2.93 | -0.11 | 
| 42.52 | 43.23 | -0.71 |