| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.20 | 2.30 | -0.10 | 
| Feb | 1.93 | 2.05 | -0.12 | 
| Mar | 2.28 | 2.43 | -0.15 | 
| Apr | 3.51 | 3.61 | -0.10 | 
| May | 4.33 | 4.21 | 0.12 | 
| Jun | 4.29 | 4.22 | 0.07 | 
| Jul | 3.96 | 4.06 | -0.10 | 
| Aug | 4.06 | 4.18 | -0.12 | 
| Sep | 3.38 | 3.44 | -0.06 | 
| Oct | 3.50 | 3.61 | -0.11 | 
| Nov | 2.68 | 2.76 | -0.08 | 
| Dec | 2.16 | 2.25 | -0.09 | 
| 38.28 | 39.12 | -0.84 |