| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.28 | 2.36 | -0.08 | 
| Feb | 1.96 | 2.07 | -0.11 | 
| Mar | 2.83 | 2.77 | 0.06 | 
| Apr | 4.06 | 4.01 | 0.05 | 
| May | 4.40 | 4.43 | -0.03 | 
| Jun | 4.73 | 4.67 | 0.06 | 
| Jul | 4.21 | 4.15 | 0.06 | 
| Aug | 3.35 | 3.22 | 0.13 | 
| Sep | 3.05 | 3.10 | -0.05 | 
| Oct | 3.33 | 3.29 | 0.04 | 
| Nov | 3.23 | 3.20 | 0.03 | 
| Dec | 2.38 | 2.41 | -0.03 | 
| 39.81 | 39.68 | 0.13 |