| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.57 | 0.01 |
| Feb | 0.70 | 0.68 | 0.02 |
| Mar | 1.50 | 1.49 | 0.01 |
| Apr | 2.72 | 2.79 | -0.07 |
| May | 4.45 | 4.42 | 0.03 |
| Jun | 4.13 | 4.12 | 0.01 |
| Jul | 3.34 | 3.28 | 0.06 |
| Aug | 3.25 | 3.32 | -0.07 |
| Sep | 2.31 | 2.37 | -0.06 |
| Oct | 2.13 | 2.10 | 0.03 |
| Nov | 1.21 | 1.17 | 0.04 |
| Dec | 0.86 | 0.83 | 0.03 |
27.18 | 27.14 | 0.04 |