| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.62 | 2.83 | -0.21 | 
| Feb | 2.24 | 2.39 | -0.15 | 
| Mar | 3.37 | 3.49 | -0.12 | 
| Apr | 4.76 | 4.89 | -0.13 | 
| May | 4.94 | 5.05 | -0.11 | 
| Jun | 4.37 | 4.69 | -0.32 | 
| Jul | 3.93 | 4.19 | -0.26 | 
| Aug | 3.34 | 3.59 | -0.25 | 
| Sep | 3.26 | 3.27 | -0.01 | 
| Oct | 3.11 | 3.11 | 0.00 | 
| Nov | 3.44 | 3.68 | -0.24 | 
| Dec | 2.62 | 2.70 | -0.08 | 
| 42.00 | 43.88 | -1.88 |