| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.51 | -0.20 |
| Feb | 2.80 | 2.92 | -0.12 |
| Mar | 4.03 | 4.08 | -0.05 |
| Apr | 3.92 | 4.04 | -0.12 |
| May | 3.82 | 3.83 | -0.01 |
| Jun | 4.34 | 4.53 | -0.19 |
| Jul | 4.45 | 4.43 | 0.02 |
| Aug | 4.40 | 4.57 | -0.17 |
| Sep | 4.16 | 4.28 | -0.12 |
| Oct | 4.25 | 4.29 | -0.04 |
| Nov | 3.53 | 3.53 | 0.00 |
| Dec | 4.20 | 4.32 | -0.12 |
47.21 | 48.33 | -1.12 |