| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.66 | -0.15 |
| Feb | 2.91 | 2.95 | -0.04 |
| Mar | 4.24 | 4.19 | 0.05 |
| Apr | 3.79 | 3.79 | 0.00 |
| May | 3.74 | 3.90 | -0.16 |
| Jun | 4.48 | 4.35 | 0.13 |
| Jul | 4.39 | 4.49 | -0.10 |
| Aug | 4.31 | 4.21 | 0.10 |
| Sep | 4.69 | 4.96 | -0.27 |
| Oct | 3.48 | 3.40 | 0.08 |
| Nov | 3.33 | 3.31 | 0.02 |
| Dec | 3.62 | 3.53 | 0.09 |
46.49 | 46.74 | -0.25 |