| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.17 | 2.29 | -0.12 | 
| Feb | 1.86 | 1.92 | -0.06 | 
| Mar | 2.27 | 2.31 | -0.04 | 
| Apr | 3.07 | 3.04 | 0.03 | 
| May | 3.72 | 3.71 | 0.01 | 
| Jun | 3.24 | 3.24 | 0.00 | 
| Jul | 3.30 | 3.15 | 0.15 | 
| Aug | 3.29 | 3.28 | 0.01 | 
| Sep | 3.13 | 3.10 | 0.03 | 
| Oct | 2.67 | 2.80 | -0.13 | 
| Nov | 2.50 | 2.53 | -0.03 | 
| Dec | 2.11 | 2.22 | -0.11 | 
| 33.33 | 33.59 | -0.26 |