| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.09 | 2.24 | -0.15 | 
| Feb | 1.81 | 1.94 | -0.13 | 
| Mar | 2.56 | 2.64 | -0.08 | 
| Apr | 3.80 | 3.75 | 0.05 | 
| May | 4.53 | 4.49 | 0.04 | 
| Jun | 4.00 | 4.00 | 0.00 | 
| Jul | 4.08 | 3.90 | 0.18 | 
| Aug | 3.56 | 3.60 | -0.04 | 
| Sep | 3.04 | 3.26 | -0.22 | 
| Oct | 3.26 | 3.27 | -0.01 | 
| Nov | 2.80 | 2.75 | 0.05 | 
| Dec | 2.14 | 2.29 | -0.15 | 
| 37.67 | 38.13 | -0.46 |