| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.14 | 3.24 | -0.10 | 
| Feb | 2.48 | 2.54 | -0.06 | 
| Mar | 3.60 | 3.74 | -0.14 | 
| Apr | 4.79 | 4.87 | -0.08 | 
| May | 4.88 | 4.95 | -0.07 | 
| Jun | 4.90 | 4.94 | -0.04 | 
| Jul | 4.44 | 4.48 | -0.04 | 
| Aug | 3.26 | 3.09 | 0.17 | 
| Sep | 3.31 | 3.33 | -0.02 | 
| Oct | 3.67 | 3.65 | 0.02 | 
| Nov | 3.81 | 3.86 | -0.05 | 
| Dec | 3.00 | 3.18 | -0.18 | 
| 45.28 | 45.87 | -0.59 |