| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.93 | 2.13 | -0.20 |
| Feb | 1.81 | 2.01 | -0.20 |
| Mar | 2.34 | 2.30 | 0.04 |
| Apr | 3.81 | 3.87 | -0.06 |
| May | 4.63 | 4.65 | -0.02 |
| Jun | 4.42 | 4.39 | 0.03 |
| Jul | 3.74 | 3.73 | 0.01 |
| Aug | 3.95 | 4.06 | -0.11 |
| Sep | 3.28 | 3.25 | 0.03 |
| Oct | 3.42 | 3.48 | -0.06 |
| Nov | 2.49 | 2.65 | -0.16 |
| Dec | 2.10 | 2.23 | -0.13 |
37.92 | 38.75 | -0.83 |