| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 2.53 | 2.63 | -0.10 | 
| Feb | 2.25 | 2.37 | -0.12 | 
| Mar | 3.36 | 3.45 | -0.09 | 
| Apr | 4.73 | 4.88 | -0.15 | 
| May | 4.97 | 5.14 | -0.17 | 
| Jun | 4.18 | 4.67 | -0.49 | 
| Jul | 4.24 | 4.38 | -0.14 | 
| Aug | 3.32 | 3.79 | -0.47 | 
| Sep | 3.28 | 3.07 | 0.21 | 
| Oct | 3.24 | 3.29 | -0.05 | 
| Nov | 3.50 | 3.46 | 0.04 | 
| Dec | 2.64 | 2.64 | 0.00 | 
| 42.24 | 43.77 | -1.53 |