| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.90 | 3.02 | -0.12 |
| Feb | 2.43 | 2.41 | 0.02 |
| Mar | 3.24 | 3.27 | -0.03 |
| Apr | 3.66 | 3.79 | -0.13 |
| May | 4.10 | 4.07 | 0.03 |
| Jun | 4.75 | 4.54 | 0.21 |
| Jul | 4.18 | 4.10 | 0.08 |
| Aug | 3.61 | 3.67 | -0.06 |
| Sep | 3.62 | 3.38 | 0.24 |
| Oct | 3.11 | 3.15 | -0.04 |
| Nov | 2.83 | 2.91 | -0.08 |
| Dec | 2.98 | 3.00 | -0.02 |
41.41 | 41.31 | 0.10 |