| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.11 | 2.74 | 0.37 |
| Feb | 3.00 | 3.01 | -0.01 |
| Mar | 4.28 | 4.29 | -0.01 |
| Apr | 5.25 | 5.26 | -0.01 |
| May | 5.68 | 5.52 | 0.16 |
| Jun | 3.88 | 3.91 | -0.03 |
| Jul | 4.04 | 4.17 | -0.13 |
| Aug | 3.81 | 3.72 | 0.09 |
| Sep | 3.62 | 3.77 | -0.15 |
| Oct | 3.48 | 3.53 | -0.05 |
| Nov | 4.46 | 4.33 | 0.13 |
| Dec | 3.23 | 3.31 | -0.08 |
47.84 | 47.56 | 0.28 |