| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.56 | -0.03 |
| Feb | 2.81 | 2.89 | -0.08 |
| Mar | 4.33 | 4.42 | -0.09 |
| Apr | 3.93 | 3.72 | 0.21 |
| May | 3.76 | 3.87 | -0.11 |
| Jun | 4.74 | 4.53 | 0.21 |
| Jul | 4.96 | 4.57 | 0.39 |
| Aug | 4.44 | 4.57 | -0.13 |
| Sep | 4.96 | 4.89 | 0.07 |
| Oct | 4.28 | 4.32 | -0.04 |
| Nov | 3.44 | 3.29 | 0.15 |
| Dec | 4.13 | 4.36 | -0.23 |
49.31 | 48.99 | 0.32 |