| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.93 | 2.11 | -0.18 |
| Feb | 1.81 | 2.00 | -0.19 |
| Mar | 2.34 | 2.29 | 0.05 |
| Apr | 3.81 | 3.84 | -0.03 |
| May | 4.63 | 4.66 | -0.03 |
| Jun | 4.42 | 4.39 | 0.03 |
| Jul | 3.74 | 3.71 | 0.03 |
| Aug | 3.95 | 4.07 | -0.12 |
| Sep | 3.28 | 3.26 | 0.02 |
| Oct | 3.42 | 3.45 | -0.03 |
| Nov | 2.49 | 2.63 | -0.14 |
| Dec | 2.10 | 2.22 | -0.12 |
37.92 | 38.63 | -0.71 |