| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.70 | 0.87 | -0.17 | 
| Feb | 0.72 | 0.93 | -0.21 | 
| Mar | 0.74 | 0.89 | -0.15 | 
| Apr | 0.81 | 0.93 | -0.12 | 
| May | 0.84 | 0.96 | -0.12 | 
| Jun | 0.47 | 0.58 | -0.11 | 
| Jul | 0.59 | 0.56 | 0.03 | 
| Aug | 0.67 | 0.67 | 0.00 | 
| Sep | 0.69 | 0.67 | 0.02 | 
| Oct | 0.83 | 0.89 | -0.06 | 
| Nov | 0.45 | 0.54 | -0.09 | 
| Dec | 0.49 | 0.70 | -0.21 | 
| 8.00 | 9.19 | -1.19 |