| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.50 | 3.51 | -0.01 | 
| Feb | 3.30 | 3.34 | -0.04 | 
| Mar | 4.61 | 4.50 | 0.11 | 
| Apr | 5.49 | 5.37 | 0.12 | 
| May | 5.03 | 5.11 | -0.08 | 
| Jun | 4.46 | 4.63 | -0.17 | 
| Jul | 4.28 | 4.08 | 0.20 | 
| Aug | 3.22 | 3.14 | 0.08 | 
| Sep | 3.42 | 3.20 | 0.22 | 
| Oct | 3.69 | 3.65 | 0.04 | 
| Nov | 4.24 | 4.26 | -0.02 | 
| Dec | 3.72 | 3.83 | -0.11 | 
| 48.96 | 48.62 | 0.34 |