| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.74 | 3.03 | -0.29 |
| Feb | 2.44 | 2.83 | -0.39 |
| Mar | 2.98 | 3.29 | -0.31 |
| Apr | 3.51 | 3.65 | -0.14 |
| May | 3.56 | 3.53 | 0.03 |
| Jun | 4.05 | 4.13 | -0.08 |
| Jul | 4.04 | 4.12 | -0.08 |
| Aug | 3.74 | 3.92 | -0.18 |
| Sep | 3.66 | 3.72 | -0.06 |
| Oct | 4.19 | 4.17 | 0.02 |
| Nov | 3.33 | 3.43 | -0.10 |
| Dec | 3.27 | 3.58 | -0.31 |
41.51 | 43.40 | -1.89 |