| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 0.74 | 0.83 | -0.09 | 
| Feb | 0.71 | 0.74 | -0.03 | 
| Mar | 1.23 | 1.23 | 0.00 | 
| Apr | 2.02 | 2.16 | -0.14 | 
| May | 3.14 | 3.23 | -0.09 | 
| Jun | 4.35 | 4.48 | -0.13 | 
| Jul | 4.08 | 4.17 | -0.09 | 
| Aug | 3.29 | 3.44 | -0.15 | 
| Sep | 3.00 | 3.26 | -0.26 | 
| Oct | 2.70 | 2.86 | -0.16 | 
| Nov | 1.33 | 1.47 | -0.14 | 
| Dec | 0.97 | 1.05 | -0.08 | 
| 27.56 | 28.92 | -1.36 |