| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.34 | 0.07 |
| Feb | 0.48 | 0.36 | 0.12 |
| Mar | 0.59 | 0.57 | 0.02 |
| Apr | 1.43 | 1.40 | 0.03 |
| May | 2.13 | 2.02 | 0.11 |
| Jun | 2.59 | 2.61 | -0.02 |
| Jul | 1.06 | 1.08 | -0.02 |
| Aug | 1.06 | 1.08 | -0.02 |
| Sep | 1.24 | 1.20 | 0.04 |
| Oct | 0.85 | 0.76 | 0.09 |
| Nov | 0.54 | 0.47 | 0.07 |
| Dec | 0.43 | 0.35 | 0.08 |
12.81 | 12.24 | 0.57 |