| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.57 | 0.01 |
| Feb | 2.85 | 2.89 | -0.04 |
| Mar | 4.04 | 4.07 | -0.03 |
| Apr | 3.76 | 3.93 | -0.17 |
| May | 4.05 | 4.09 | -0.04 |
| Jun | 4.20 | 4.18 | 0.02 |
| Jul | 4.39 | 4.31 | 0.08 |
| Aug | 4.12 | 4.05 | 0.07 |
| Sep | 4.53 | 4.81 | -0.28 |
| Oct | 3.38 | 3.42 | -0.04 |
| Nov | 3.40 | 3.43 | -0.03 |
| Dec | 3.41 | 3.62 | -0.21 |
45.71 | 46.37 | -0.66 |