| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.91 | 1.89 | 0.02 |
| Feb | 1.55 | 1.53 | 0.02 |
| Mar | 2.39 | 2.46 | -0.07 |
| Apr | 2.24 | 2.32 | -0.08 |
| May | 3.57 | 3.37 | 0.20 |
| Jun | 3.19 | 3.39 | -0.20 |
| Jul | 2.92 | 2.71 | 0.21 |
| Aug | 2.50 | 2.47 | 0.03 |
| Sep | 4.17 | 4.04 | 0.13 |
| Oct | 2.88 | 2.81 | 0.07 |
| Nov | 2.02 | 2.02 | 0.00 |
| Dec | 1.94 | 1.83 | 0.11 |
31.28 | 30.84 | 0.44 |