| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.94 | 1.91 | 0.03 | 
| Feb | 1.74 | 1.80 | -0.06 | 
| Mar | 2.28 | 2.26 | 0.02 | 
| Apr | 3.85 | 3.75 | 0.10 | 
| May | 4.58 | 4.63 | -0.05 | 
| Jun | 4.41 | 4.33 | 0.08 | 
| Jul | 3.96 | 3.85 | 0.11 | 
| Aug | 4.00 | 3.80 | 0.20 | 
| Sep | 3.20 | 3.22 | -0.02 | 
| Oct | 3.41 | 3.38 | 0.03 | 
| Nov | 2.57 | 2.45 | 0.12 | 
| Dec | 2.11 | 2.04 | 0.07 | 
| 38.05 | 37.42 | 0.63 |