| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.20 | 3.36 | -0.16 | 
| Feb | 3.08 | 3.04 | 0.04 | 
| Mar | 4.08 | 4.09 | -0.01 | 
| Apr | 4.47 | 4.58 | -0.11 | 
| May | 4.83 | 4.96 | -0.13 | 
| Jun | 4.81 | 4.71 | 0.10 | 
| Jul | 4.44 | 4.40 | 0.04 | 
| Aug | 3.43 | 3.37 | 0.06 | 
| Sep | 3.22 | 3.24 | -0.02 | 
| Oct | 3.24 | 3.24 | 0.00 | 
| Nov | 3.07 | 3.20 | -0.13 | 
| Dec | 3.63 | 3.73 | -0.10 | 
| 45.50 | 45.92 | -0.42 |