| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.33 | 0.06 |
| Feb | 2.78 | 2.75 | 0.03 |
| Mar | 3.91 | 3.83 | 0.08 |
| Apr | 3.40 | 3.36 | 0.04 |
| May | 4.17 | 4.12 | 0.05 |
| Jun | 4.21 | 4.10 | 0.11 |
| Jul | 4.38 | 4.36 | 0.02 |
| Aug | 4.33 | 4.43 | -0.10 |
| Sep | 4.49 | 4.27 | 0.22 |
| Oct | 3.66 | 3.62 | 0.04 |
| Nov | 3.28 | 3.26 | 0.02 |
| Dec | 3.64 | 3.70 | -0.06 |
45.64 | 45.13 | 0.51 |