| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.91 | 0.90 | 0.01 | 
| Feb | 0.96 | 0.95 | 0.01 | 
| Mar | 1.49 | 1.51 | -0.02 | 
| Apr | 2.71 | 2.86 | -0.15 | 
| May | 3.61 | 3.70 | -0.09 | 
| Jun | 4.13 | 4.23 | -0.10 | 
| Jul | 4.30 | 4.75 | -0.45 | 
| Aug | 3.95 | 4.10 | -0.15 | 
| Sep | 3.52 | 3.62 | -0.10 | 
| Oct | 3.20 | 3.33 | -0.13 | 
| Nov | 1.75 | 1.80 | -0.05 | 
| Dec | 1.34 | 1.32 | 0.02 | 
| 31.87 | 33.07 | -1.20 |