| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.02 | 4.29 | -0.27 |
| Feb | 3.57 | 3.75 | -0.18 |
| Mar | 5.01 | 5.13 | -0.12 |
| Apr | 4.31 | 4.42 | -0.11 |
| May | 3.49 | 3.57 | -0.08 |
| Jun | 3.53 | 3.68 | -0.15 |
| Jul | 2.87 | 2.94 | -0.07 |
| Aug | 3.59 | 3.72 | -0.13 |
| Sep | 4.13 | 4.22 | -0.09 |
| Oct | 4.92 | 4.76 | 0.16 |
| Nov | 4.36 | 4.29 | 0.07 |
| Dec | 4.86 | 5.27 | -0.41 |
48.66 | 50.04 | -1.38 |