| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.68 | -0.12 |
| Feb | 2.94 | 3.03 | -0.09 |
| Mar | 4.26 | 4.25 | 0.01 |
| Apr | 3.69 | 3.84 | -0.15 |
| May | 3.86 | 3.79 | 0.07 |
| Jun | 4.18 | 4.31 | -0.13 |
| Jul | 4.27 | 4.35 | -0.08 |
| Aug | 4.45 | 4.51 | -0.06 |
| Sep | 3.95 | 3.96 | -0.01 |
| Oct | 4.06 | 4.14 | -0.08 |
| Nov | 3.32 | 3.33 | -0.01 |
| Dec | 4.23 | 4.47 | -0.24 |
46.77 | 47.66 | -0.89 |