| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.88 | 3.78 | 0.10 | 
| Feb | 3.10 | 3.05 | 0.05 | 
| Mar | 4.12 | 4.11 | 0.01 | 
| Apr | 4.15 | 4.02 | 0.13 | 
| May | 4.53 | 4.50 | 0.03 | 
| Jun | 4.66 | 4.46 | 0.20 | 
| Jul | 4.53 | 4.52 | 0.01 | 
| Aug | 4.56 | 4.47 | 0.09 | 
| Sep | 4.70 | 4.79 | -0.09 | 
| Oct | 3.52 | 3.37 | 0.15 | 
| Nov | 3.35 | 3.20 | 0.15 | 
| Dec | 4.00 | 3.90 | 0.10 | 
| 49.10 | 48.17 | 0.93 |