| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.03 | 2.20 | -0.17 | 
| Feb | 1.81 | 1.99 | -0.18 | 
| Mar | 2.36 | 2.36 | 0.00 | 
| Apr | 3.81 | 3.88 | -0.07 | 
| May | 4.43 | 4.54 | -0.11 | 
| Jun | 4.26 | 4.32 | -0.06 | 
| Jul | 3.71 | 3.92 | -0.21 | 
| Aug | 4.06 | 4.03 | 0.03 | 
| Sep | 3.25 | 3.25 | 0.00 | 
| Oct | 3.50 | 3.42 | 0.08 | 
| Nov | 2.56 | 2.61 | -0.05 | 
| Dec | 2.09 | 2.29 | -0.20 | 
| 37.87 | 38.81 | -0.94 |