| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.66 | -0.28 |
| Feb | 2.96 | 3.06 | -0.10 |
| Mar | 4.21 | 4.22 | -0.01 |
| Apr | 3.82 | 3.87 | -0.05 |
| May | 3.58 | 3.68 | -0.10 |
| Jun | 3.96 | 4.14 | -0.18 |
| Jul | 3.90 | 3.82 | 0.08 |
| Aug | 4.17 | 4.16 | 0.01 |
| Sep | 3.95 | 3.86 | 0.09 |
| Oct | 4.03 | 4.14 | -0.11 |
| Nov | 3.37 | 3.31 | 0.06 |
| Dec | 4.26 | 4.39 | -0.13 |
45.59 | 46.31 | -0.72 |