| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.17 | 2.57 | -0.40 | 
| Feb | 1.77 | 2.03 | -0.26 | 
| Mar | 2.03 | 2.35 | -0.32 | 
| Apr | 3.28 | 3.52 | -0.24 | 
| May | 4.18 | 4.03 | 0.15 | 
| Jun | 3.88 | 3.73 | 0.15 | 
| Jul | 3.60 | 3.51 | 0.09 | 
| Aug | 3.68 | 3.67 | 0.01 | 
| Sep | 3.22 | 3.13 | 0.09 | 
| Oct | 3.66 | 3.65 | 0.01 | 
| Nov | 2.57 | 2.83 | -0.26 | 
| Dec | 2.08 | 2.38 | -0.30 | 
| 36.12 | 37.40 | -1.28 |