| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.14 | 2.25 | -0.11 | 
| Feb | 1.92 | 2.03 | -0.11 | 
| Mar | 2.60 | 2.70 | -0.10 | 
| Apr | 4.03 | 3.88 | 0.15 | 
| May | 4.52 | 4.49 | 0.03 | 
| Jun | 4.37 | 4.40 | -0.03 | 
| Jul | 3.95 | 4.01 | -0.06 | 
| Aug | 3.28 | 3.13 | 0.15 | 
| Sep | 3.11 | 3.07 | 0.04 | 
| Oct | 3.20 | 3.17 | 0.03 | 
| Nov | 3.05 | 2.94 | 0.11 | 
| Dec | 2.26 | 2.32 | -0.06 | 
| 38.43 | 38.39 | 0.04 |