| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.04 | 3.04 | 0.00 | 
| Feb | 2.41 | 2.38 | 0.03 | 
| Mar | 3.48 | 3.38 | 0.10 | 
| Apr | 4.29 | 4.12 | 0.17 | 
| May | 4.65 | 4.53 | 0.12 | 
| Jun | 4.47 | 4.46 | 0.01 | 
| Jul | 4.27 | 4.28 | -0.01 | 
| Aug | 3.19 | 3.18 | 0.01 | 
| Sep | 3.18 | 3.05 | 0.13 | 
| Oct | 2.89 | 2.86 | 0.03 | 
| Nov | 3.08 | 2.94 | 0.14 | 
| Dec | 3.05 | 3.01 | 0.04 | 
| 42.00 | 41.23 | 0.77 |