| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.18 | 1.18 | 0.00 |
| Feb | 1.07 | 1.06 | 0.01 |
| Mar | 1.72 | 1.64 | 0.08 |
| Apr | 2.85 | 2.81 | 0.04 |
| May | 3.63 | 3.49 | 0.14 |
| Jun | 4.44 | 4.23 | 0.21 |
| Jul | 4.01 | 4.02 | -0.01 |
| Aug | 3.49 | 3.41 | 0.08 |
| Sep | 3.69 | 3.60 | 0.09 |
| Oct | 3.41 | 3.29 | 0.12 |
| Nov | 1.95 | 1.89 | 0.06 |
| Dec | 1.57 | 1.50 | 0.07 |
33.01 | 32.12 | 0.89 |