| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.93 | 2.03 | -0.10 | 
| Feb | 1.84 | 1.95 | -0.11 | 
| Mar | 2.22 | 2.18 | 0.04 | 
| Apr | 3.70 | 3.72 | -0.02 | 
| May | 4.49 | 4.62 | -0.13 | 
| Jun | 4.36 | 4.21 | 0.15 | 
| Jul | 3.73 | 3.62 | 0.11 | 
| Aug | 3.70 | 4.15 | -0.45 | 
| Sep | 3.36 | 3.31 | 0.05 | 
| Oct | 3.28 | 3.48 | -0.20 | 
| Nov | 2.50 | 2.60 | -0.10 | 
| Dec | 2.11 | 2.24 | -0.13 | 
| 37.22 | 38.11 | -0.89 |