| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.44 | 1.47 | -0.03 |
| Feb | 1.15 | 1.17 | -0.02 |
| Mar | 1.86 | 1.81 | 0.05 |
| Apr | 3.03 | 3.10 | -0.07 |
| May | 3.44 | 3.43 | 0.01 |
| Jun | 4.07 | 3.92 | 0.15 |
| Jul | 3.74 | 3.61 | 0.13 |
| Aug | 3.39 | 3.42 | -0.03 |
| Sep | 3.43 | 3.32 | 0.11 |
| Oct | 2.92 | 2.87 | 0.05 |
| Nov | 2.04 | 1.89 | 0.15 |
| Dec | 1.70 | 1.69 | 0.01 |
32.21 | 31.70 | 0.51 |