| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 1.78 | 1.86 | -0.08 | 
| Feb | 1.69 | 1.82 | -0.13 | 
| Mar | 2.21 | 2.29 | -0.08 | 
| Apr | 3.71 | 3.73 | -0.02 | 
| May | 4.70 | 4.61 | 0.09 | 
| Jun | 4.44 | 4.29 | 0.15 | 
| Jul | 3.85 | 3.71 | 0.14 | 
| Aug | 3.96 | 3.77 | 0.19 | 
| Sep | 3.32 | 3.24 | 0.08 | 
| Oct | 3.27 | 3.27 | 0.00 | 
| Nov | 2.50 | 2.48 | 0.02 | 
| Dec | 2.02 | 2.09 | -0.07 | 
| 37.45 | 37.16 | 0.29 |