| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.38 | 3.95 | 0.43 |
| Feb | 3.48 | 3.31 | 0.17 |
| Mar | 3.82 | 3.50 | 0.32 |
| Apr | 3.32 | 3.46 | -0.14 |
| May | 3.96 | 4.50 | -0.54 |
| Jun | 4.83 | 5.03 | -0.20 |
| Jul | 5.52 | 5.47 | 0.05 |
| Aug | 6.49 | 6.71 | -0.22 |
| Sep | 6.27 | 6.25 | 0.02 |
| Oct | 4.06 | 3.72 | 0.34 |
| Nov | 3.79 | 3.76 | 0.03 |
| Dec | 3.86 | 3.85 | 0.01 |
53.78 | 53.51 | 0.27 |