| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.86 | 2.03 | -0.17 | 
| Feb | 1.82 | 1.94 | -0.12 | 
| Mar | 2.33 | 2.26 | 0.07 | 
| Apr | 3.80 | 3.77 | 0.03 | 
| May | 4.70 | 4.71 | -0.01 | 
| Jun | 4.52 | 4.36 | 0.16 | 
| Jul | 3.77 | 3.70 | 0.07 | 
| Aug | 3.87 | 4.07 | -0.20 | 
| Sep | 3.37 | 3.30 | 0.07 | 
| Oct | 3.34 | 3.36 | -0.02 | 
| Nov | 2.48 | 2.55 | -0.07 | 
| Dec | 2.09 | 2.17 | -0.08 | 
| 37.95 | 38.22 | -0.27 |