| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.74 | 1.85 | -0.11 | 
| Feb | 1.77 | 1.80 | -0.03 | 
| Mar | 2.26 | 2.29 | -0.03 | 
| Apr | 3.70 | 3.73 | -0.03 | 
| May | 4.74 | 4.87 | -0.13 | 
| Jun | 4.51 | 4.39 | 0.12 | 
| Jul | 3.84 | 3.80 | 0.04 | 
| Aug | 3.88 | 3.95 | -0.07 | 
| Sep | 3.36 | 3.44 | -0.08 | 
| Oct | 3.29 | 3.26 | 0.03 | 
| Nov | 2.50 | 2.52 | -0.02 | 
| Dec | 2.02 | 2.15 | -0.13 | 
| 37.61 | 38.05 | -0.44 |