| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.97 | 3.09 | -0.12 |
| Feb | 2.63 | 2.76 | -0.13 |
| Mar | 3.87 | 3.97 | -0.10 |
| Apr | 3.42 | 3.49 | -0.07 |
| May | 4.16 | 4.36 | -0.20 |
| Jun | 4.28 | 4.37 | -0.09 |
| Jul | 4.44 | 4.38 | 0.06 |
| Aug | 4.10 | 3.97 | 0.13 |
| Sep | 4.34 | 4.53 | -0.19 |
| Oct | 3.96 | 4.07 | -0.11 |
| Nov | 3.14 | 3.22 | -0.08 |
| Dec | 3.70 | 3.81 | -0.11 |
45.01 | 46.02 | -1.01 |