| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.55 | 0.50 | 0.05 |
| Feb | 0.68 | 0.61 | 0.07 |
| Mar | 1.43 | 1.35 | 0.08 |
| Apr | 2.36 | 2.17 | 0.19 |
| May | 2.86 | 2.78 | 0.08 |
| Jun | 1.88 | 1.81 | 0.07 |
| Jul | 2.01 | 1.94 | 0.07 |
| Aug | 1.68 | 1.70 | -0.02 |
| Sep | 1.54 | 1.51 | 0.03 |
| Oct | 1.29 | 1.17 | 0.12 |
| Nov | 0.83 | 0.72 | 0.11 |
| Dec | 0.60 | 0.52 | 0.08 |
17.71 | 16.78 | 0.93 |