| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.12 | 2.22 | -0.10 | 
| Feb | 1.84 | 1.93 | -0.09 | 
| Mar | 2.56 | 2.63 | -0.07 | 
| Apr | 3.78 | 3.72 | 0.06 | 
| May | 4.52 | 4.47 | 0.05 | 
| Jun | 4.07 | 4.09 | -0.02 | 
| Jul | 4.12 | 3.95 | 0.17 | 
| Aug | 3.61 | 3.52 | 0.09 | 
| Sep | 3.07 | 3.23 | -0.16 | 
| Oct | 3.28 | 3.27 | 0.01 | 
| Nov | 2.86 | 2.76 | 0.10 | 
| Dec | 2.20 | 2.27 | -0.07 | 
| 38.03 | 38.06 | -0.03 |