| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.37 | 0.31 | 0.06 |
| Feb | 0.54 | 0.43 | 0.11 |
| Mar | 0.81 | 0.74 | 0.07 |
| Apr | 1.68 | 1.37 | 0.31 |
| May | 2.48 | 2.76 | -0.28 |
| Jun | 2.18 | 2.05 | 0.13 |
| Jul | 1.58 | 1.55 | 0.03 |
| Aug | 1.04 | 0.89 | 0.15 |
| Sep | 0.96 | 0.83 | 0.13 |
| Oct | 1.08 | 1.01 | 0.07 |
| Nov | 0.62 | 0.47 | 0.15 |
| Dec | 0.41 | 0.40 | 0.01 |
13.75 | 12.81 | 0.94 |