| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.44 | 3.44 | 0.00 | 
| Feb | 3.23 | 3.27 | -0.04 | 
| Mar | 4.50 | 4.49 | 0.01 | 
| Apr | 5.42 | 5.35 | 0.07 | 
| May | 5.22 | 5.33 | -0.11 | 
| Jun | 4.49 | 4.58 | -0.09 | 
| Jul | 4.09 | 4.09 | 0.00 | 
| Aug | 3.17 | 3.16 | 0.01 | 
| Sep | 3.28 | 3.31 | -0.03 | 
| Oct | 3.72 | 3.67 | 0.05 | 
| Nov | 4.36 | 4.40 | -0.04 | 
| Dec | 3.71 | 3.85 | -0.14 | 
| 48.63 | 48.94 | -0.31 |