| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.81 | 0.02 |
| Feb | 0.89 | 0.81 | 0.08 |
| Mar | 1.71 | 1.61 | 0.10 |
| Apr | 3.00 | 2.86 | 0.14 |
| May | 4.33 | 4.27 | 0.06 |
| Jun | 4.90 | 4.90 | 0.00 |
| Jul | 4.31 | 4.02 | 0.29 |
| Aug | 4.48 | 4.50 | -0.02 |
| Sep | 3.31 | 3.38 | -0.07 |
| Oct | 2.56 | 2.54 | 0.02 |
| Nov | 1.59 | 1.55 | 0.04 |
| Dec | 1.18 | 1.14 | 0.04 |
33.09 | 32.39 | 0.70 |