| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.10 | 2.14 | -0.04 | 
| Feb | 1.94 | 1.98 | -0.04 | 
| Mar | 2.63 | 2.68 | -0.05 | 
| Apr | 4.04 | 3.99 | 0.05 | 
| May | 4.45 | 4.51 | -0.06 | 
| Jun | 4.32 | 4.48 | -0.16 | 
| Jul | 3.75 | 3.79 | -0.04 | 
| Aug | 3.40 | 3.22 | 0.18 | 
| Sep | 2.97 | 3.10 | -0.13 | 
| Oct | 3.20 | 3.18 | 0.02 | 
| Nov | 2.90 | 2.92 | -0.02 | 
| Dec | 2.03 | 2.16 | -0.13 | 
| 37.73 | 38.15 | -0.42 |