| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.49 | -0.08 |
| Feb | 2.94 | 3.07 | -0.13 |
| Mar | 3.52 | 3.67 | -0.15 |
| Apr | 3.69 | 3.82 | -0.13 |
| May | 3.70 | 3.73 | -0.03 |
| Jun | 4.53 | 4.53 | 0.00 |
| Jul | 4.17 | 4.19 | -0.02 |
| Aug | 4.44 | 4.29 | 0.15 |
| Sep | 4.40 | 4.43 | -0.03 |
| Oct | 4.85 | 4.72 | 0.13 |
| Nov | 3.51 | 3.58 | -0.07 |
| Dec | 4.23 | 4.21 | 0.02 |
47.39 | 47.73 | -0.34 |