| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.24 | 2.29 | -0.05 | 
| Feb | 1.98 | 2.06 | -0.08 | 
| Mar | 2.66 | 2.71 | -0.05 | 
| Apr | 4.05 | 4.01 | 0.04 | 
| May | 4.41 | 4.37 | 0.04 | 
| Jun | 4.66 | 4.64 | 0.02 | 
| Jul | 4.25 | 4.12 | 0.13 | 
| Aug | 3.23 | 3.15 | 0.08 | 
| Sep | 3.09 | 3.09 | 0.00 | 
| Oct | 3.28 | 3.25 | 0.03 | 
| Nov | 3.18 | 3.17 | 0.01 | 
| Dec | 2.30 | 2.40 | -0.10 | 
| 39.33 | 39.26 | 0.07 |