| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.67 | 3.69 | -0.02 | 
| Feb | 3.48 | 3.46 | 0.02 | 
| Mar | 4.64 | 4.61 | 0.03 | 
| Apr | 5.15 | 5.38 | -0.23 | 
| May | 4.97 | 5.13 | -0.16 | 
| Jun | 4.46 | 4.61 | -0.15 | 
| Jul | 4.32 | 4.24 | 0.08 | 
| Aug | 3.18 | 3.10 | 0.08 | 
| Sep | 3.39 | 3.34 | 0.05 | 
| Oct | 3.73 | 3.72 | 0.01 | 
| Nov | 4.29 | 4.33 | -0.04 | 
| Dec | 3.93 | 4.03 | -0.10 | 
| 49.21 | 49.64 | -0.43 |