| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.63 | 3.66 | -0.03 | 
| Feb | 2.94 | 2.82 | 0.12 | 
| Mar | 4.02 | 3.90 | 0.12 | 
| Apr | 3.43 | 3.66 | -0.23 | 
| May | 3.92 | 3.93 | -0.01 | 
| Jun | 4.46 | 4.55 | -0.09 | 
| Jul | 5.45 | 5.32 | 0.13 | 
| Aug | 5.14 | 5.71 | -0.57 | 
| Sep | 5.45 | 5.51 | -0.06 | 
| Oct | 4.00 | 4.28 | -0.28 | 
| Nov | 3.35 | 3.47 | -0.12 | 
| Dec | 3.46 | 3.60 | -0.14 | 
| 49.25 | 50.41 | -1.16 |