| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.04 | 3.16 | -0.12 |
| Feb | 2.44 | 2.49 | -0.05 |
| Mar | 3.48 | 3.51 | -0.03 |
| Apr | 4.42 | 4.31 | 0.11 |
| May | 4.39 | 4.46 | -0.07 |
| Jun | 4.78 | 4.76 | 0.02 |
| Jul | 3.97 | 3.95 | 0.02 |
| Aug | 3.17 | 2.90 | 0.27 |
| Sep | 2.98 | 2.98 | 0.00 |
| Oct | 3.08 | 3.06 | 0.02 |
| Nov | 2.98 | 2.97 | 0.01 |
| Dec | 3.18 | 3.25 | -0.07 |
41.91 | 41.80 | 0.11 |