| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.96 | 3.91 | 0.05 |
| Feb | 3.28 | 3.43 | -0.15 |
| Mar | 4.28 | 4.24 | 0.04 |
| Apr | 4.15 | 4.00 | 0.15 |
| May | 3.09 | 3.24 | -0.15 |
| Jun | 3.38 | 3.36 | 0.02 |
| Jul | 2.38 | 2.49 | -0.11 |
| Aug | 3.39 | 3.45 | -0.06 |
| Sep | 3.79 | 3.86 | -0.07 |
| Oct | 4.46 | 4.57 | -0.11 |
| Nov | 4.13 | 4.19 | -0.06 |
| Dec | 4.74 | 4.57 | 0.17 |
45.03 | 45.31 | -0.28 |