| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.40 | 0.01 |
| Feb | 2.73 | 2.81 | -0.08 |
| Mar | 4.10 | 4.06 | 0.04 |
| Apr | 3.82 | 3.71 | 0.11 |
| May | 4.01 | 3.92 | 0.09 |
| Jun | 4.36 | 4.17 | 0.19 |
| Jul | 4.77 | 4.71 | 0.06 |
| Aug | 4.62 | 4.65 | -0.03 |
| Sep | 4.49 | 4.55 | -0.06 |
| Oct | 4.17 | 4.22 | -0.05 |
| Nov | 3.28 | 3.27 | 0.01 |
| Dec | 4.31 | 4.31 | 0.00 |
48.07 | 47.78 | 0.29 |