| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.53 | -0.12 |
| Feb | 2.82 | 2.80 | 0.02 |
| Mar | 4.04 | 4.28 | -0.24 |
| Apr | 3.72 | 3.63 | 0.09 |
| May | 3.75 | 3.74 | 0.01 |
| Jun | 4.35 | 4.22 | 0.13 |
| Jul | 4.71 | 4.75 | -0.04 |
| Aug | 4.45 | 4.71 | -0.26 |
| Sep | 4.02 | 4.01 | 0.01 |
| Oct | 3.79 | 4.04 | -0.25 |
| Nov | 3.21 | 3.24 | -0.03 |
| Dec | 4.11 | 4.34 | -0.23 |
46.38 | 47.29 | -0.91 |