| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.59 | 1.49 | 0.10 |
| Feb | 1.15 | 1.14 | 0.01 |
| Mar | 1.81 | 1.74 | 0.07 |
| Apr | 3.04 | 3.02 | 0.02 |
| May | 3.45 | 3.39 | 0.06 |
| Jun | 3.79 | 3.94 | -0.15 |
| Jul | 3.34 | 3.50 | -0.16 |
| Aug | 3.35 | 3.38 | -0.03 |
| Sep | 3.04 | 3.12 | -0.08 |
| Oct | 3.04 | 2.92 | 0.12 |
| Nov | 2.20 | 2.06 | 0.14 |
| Dec | 1.78 | 1.67 | 0.11 |
31.58 | 31.37 | 0.21 |