| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.17 | 4.28 | -0.11 |
| Feb | 3.65 | 3.67 | -0.02 |
| Mar | 4.60 | 4.61 | -0.01 |
| Apr | 4.01 | 3.90 | 0.11 |
| May | 3.79 | 3.71 | 0.08 |
| Jun | 4.32 | 4.11 | 0.21 |
| Jul | 3.81 | 3.81 | 0.00 |
| Aug | 4.37 | 4.41 | -0.04 |
| Sep | 3.81 | 3.84 | -0.03 |
| Oct | 3.40 | 3.33 | 0.07 |
| Nov | 3.62 | 3.71 | -0.09 |
| Dec | 4.32 | 4.48 | -0.16 |
47.87 | 47.86 | 0.01 |