| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.95 | 2.11 | -0.16 | 
| Feb | 1.82 | 1.97 | -0.15 | 
| Mar | 2.27 | 2.28 | -0.01 | 
| Apr | 3.76 | 3.84 | -0.08 | 
| May | 4.50 | 4.62 | -0.12 | 
| Jun | 4.41 | 4.35 | 0.06 | 
| Jul | 3.75 | 3.64 | 0.11 | 
| Aug | 3.86 | 4.02 | -0.16 | 
| Sep | 3.27 | 3.24 | 0.03 | 
| Oct | 3.34 | 3.46 | -0.12 | 
| Nov | 2.45 | 2.60 | -0.15 | 
| Dec | 2.10 | 2.22 | -0.12 | 
| 37.48 | 38.35 | -0.87 |