| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.49 | -0.02 |
| Feb | 2.81 | 2.86 | -0.05 |
| Mar | 4.01 | 4.02 | -0.01 |
| Apr | 5.16 | 5.18 | -0.02 |
| May | 5.46 | 5.58 | -0.12 |
| Jun | 5.07 | 5.11 | -0.04 |
| Jul | 4.23 | 4.37 | -0.14 |
| Aug | 3.51 | 3.49 | 0.02 |
| Sep | 3.49 | 3.47 | 0.02 |
| Oct | 3.45 | 3.51 | -0.06 |
| Nov | 3.84 | 3.83 | 0.01 |
| Dec | 3.54 | 3.51 | 0.03 |
48.04 | 48.42 | -0.38 |