| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.80 | 1.95 | -0.15 | 
| Feb | 1.75 | 1.91 | -0.16 | 
| Mar | 2.25 | 2.29 | -0.04 | 
| Apr | 3.80 | 3.80 | 0.00 | 
| May | 4.13 | 4.30 | -0.17 | 
| Jun | 4.32 | 4.37 | -0.05 | 
| Jul | 3.47 | 3.66 | -0.19 | 
| Aug | 3.68 | 3.59 | 0.09 | 
| Sep | 3.43 | 3.55 | -0.12 | 
| Oct | 3.21 | 3.19 | 0.02 | 
| Nov | 2.41 | 2.41 | 0.00 | 
| Dec | 1.93 | 2.13 | -0.20 | 
| 36.18 | 37.15 | -0.97 |