| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.22 | 3.37 | -0.15 |
| Feb | 3.15 | 3.05 | 0.10 |
| Mar | 4.17 | 4.16 | 0.01 |
| Apr | 4.52 | 4.65 | -0.13 |
| May | 4.89 | 5.00 | -0.11 |
| Jun | 4.87 | 4.74 | 0.13 |
| Jul | 4.41 | 4.39 | 0.02 |
| Aug | 3.45 | 3.33 | 0.12 |
| Sep | 3.26 | 3.28 | -0.02 |
| Oct | 3.29 | 3.28 | 0.01 |
| Nov | 3.14 | 3.21 | -0.07 |
| Dec | 3.68 | 3.77 | -0.09 |
46.05 | 46.23 | -0.18 |