| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.81 | 2.82 | -0.01 |
| Feb | 2.32 | 2.43 | -0.11 |
| Mar | 3.10 | 3.16 | -0.06 |
| Apr | 4.17 | 4.27 | -0.10 |
| May | 4.54 | 4.59 | -0.05 |
| Jun | 5.05 | 4.96 | 0.09 |
| Jul | 4.05 | 4.21 | -0.16 |
| Aug | 3.40 | 3.06 | 0.34 |
| Sep | 3.17 | 3.24 | -0.07 |
| Oct | 3.12 | 3.09 | 0.03 |
| Nov | 3.34 | 3.45 | -0.11 |
| Dec | 2.69 | 2.82 | -0.13 |
41.76 | 42.10 | -0.34 |