| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.18 | 1.07 | 0.11 |
| Feb | 0.89 | 0.83 | 0.06 |
| Mar | 1.14 | 1.13 | 0.01 |
| Apr | 1.68 | 1.71 | -0.03 |
| May | 3.14 | 3.10 | 0.04 |
| Jun | 4.09 | 3.96 | 0.13 |
| Jul | 3.86 | 4.00 | -0.14 |
| Aug | 3.15 | 3.14 | 0.01 |
| Sep | 3.23 | 3.24 | -0.01 |
| Oct | 2.49 | 2.44 | 0.05 |
| Nov | 1.58 | 1.50 | 0.08 |
| Dec | 1.25 | 1.17 | 0.08 |
27.68 | 27.29 | 0.39 |