| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 6.80 | 6.43 | 0.37 | 
| Feb | 4.90 | 4.96 | -0.06 | 
| Mar | 5.12 | 5.01 | 0.11 | 
| Apr | 3.49 | 3.67 | -0.18 | 
| May | 2.51 | 2.62 | -0.11 | 
| Jun | 1.47 | 1.62 | -0.15 | 
| Jul | 0.34 | 0.35 | -0.01 | 
| Aug | 0.48 | 0.46 | 0.02 | 
| Sep | 1.57 | 1.56 | 0.01 | 
| Oct | 3.83 | 3.77 | 0.06 | 
| Nov | 6.67 | 6.59 | 0.08 | 
| Dec | 7.69 | 7.44 | 0.25 | 
| 44.87 | 44.48 | 0.39 |