| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.43 | 2.57 | -0.14 |
| Feb | 2.15 | 2.23 | -0.08 |
| Mar | 3.39 | 3.47 | -0.08 |
| Apr | 4.63 | 4.78 | -0.15 |
| May | 4.94 | 5.22 | -0.28 |
| Jun | 4.37 | 4.41 | -0.04 |
| Jul | 3.76 | 4.04 | -0.28 |
| Aug | 3.57 | 3.68 | -0.11 |
| Sep | 3.28 | 3.12 | 0.16 |
| Oct | 3.11 | 3.26 | -0.15 |
| Nov | 3.36 | 3.42 | -0.06 |
| Dec | 2.55 | 2.68 | -0.13 |
41.54 | 42.88 | -1.34 |