| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 3.60 | 0.02 |
| Feb | 3.09 | 2.98 | 0.11 |
| Mar | 3.97 | 3.97 | 0.00 |
| Apr | 3.49 | 3.57 | -0.08 |
| May | 3.72 | 3.64 | 0.08 |
| Jun | 4.62 | 4.47 | 0.15 |
| Jul | 5.08 | 5.35 | -0.27 |
| Aug | 5.00 | 5.04 | -0.04 |
| Sep | 5.36 | 5.51 | -0.15 |
| Oct | 3.39 | 3.40 | -0.01 |
| Nov | 3.44 | 3.38 | 0.06 |
| Dec | 3.51 | 3.50 | 0.01 |
48.29 | 48.41 | -0.12 |