| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.74 | -0.25 |
| Feb | 3.10 | 3.37 | -0.27 |
| Mar | 4.32 | 4.63 | -0.31 |
| Apr | 3.87 | 4.02 | -0.15 |
| May | 3.34 | 3.42 | -0.08 |
| Jun | 3.78 | 3.72 | 0.06 |
| Jul | 3.07 | 2.90 | 0.17 |
| Aug | 3.67 | 4.04 | -0.37 |
| Sep | 3.85 | 4.14 | -0.29 |
| Oct | 4.43 | 4.47 | -0.04 |
| Nov | 3.69 | 3.57 | 0.12 |
| Dec | 4.48 | 4.49 | -0.01 |
45.09 | 46.51 | -1.42 |