| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.66 | 1.78 | -0.12 |
| Feb | 1.36 | 1.39 | -0.03 |
| Mar | 1.58 | 1.72 | -0.14 |
| Apr | 2.73 | 3.00 | -0.27 |
| May | 3.02 | 3.05 | -0.03 |
| Jun | 3.12 | 3.33 | -0.21 |
| Jul | 3.16 | 3.06 | 0.10 |
| Aug | 3.17 | 3.11 | 0.06 |
| Sep | 2.95 | 2.88 | 0.07 |
| Oct | 3.06 | 3.18 | -0.12 |
| Nov | 2.08 | 2.25 | -0.17 |
| Dec | 1.92 | 1.95 | -0.03 |
29.81 | 30.70 | -0.89 |