| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.26 | 3.30 | -0.04 | 
| Feb | 2.54 | 2.76 | -0.22 | 
| Mar | 3.80 | 3.94 | -0.14 | 
| Apr | 5.00 | 4.93 | 0.07 | 
| May | 5.12 | 5.21 | -0.09 | 
| Jun | 4.91 | 4.85 | 0.06 | 
| Jul | 4.22 | 4.43 | -0.21 | 
| Aug | 3.25 | 3.21 | 0.04 | 
| Sep | 3.50 | 3.47 | 0.03 | 
| Oct | 3.54 | 3.67 | -0.13 | 
| Nov | 3.96 | 4.04 | -0.08 | 
| Dec | 3.22 | 3.36 | -0.14 | 
| 46.32 | 47.17 | -0.85 |