| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.83 | 2.81 | 0.02 |
| Feb | 2.32 | 2.32 | 0.00 |
| Mar | 2.95 | 2.93 | 0.02 |
| Apr | 3.42 | 3.35 | 0.07 |
| May | 3.67 | 3.78 | -0.11 |
| Jun | 4.38 | 4.44 | -0.06 |
| Jul | 4.32 | 4.68 | -0.36 |
| Aug | 4.13 | 4.09 | 0.04 |
| Sep | 3.39 | 3.60 | -0.21 |
| Oct | 4.27 | 4.19 | 0.08 |
| Nov | 3.00 | 2.96 | 0.04 |
| Dec | 3.38 | 3.35 | 0.03 |
42.06 | 42.50 | -0.44 |