| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.59 | -0.18 |
| Feb | 3.05 | 3.11 | -0.06 |
| Mar | 3.69 | 3.81 | -0.12 |
| Apr | 3.41 | 3.45 | -0.04 |
| May | 3.47 | 3.43 | 0.04 |
| Jun | 4.50 | 4.63 | -0.13 |
| Jul | 4.54 | 5.41 | -0.87 |
| Aug | 4.25 | 4.79 | -0.54 |
| Sep | 5.09 | 5.30 | -0.21 |
| Oct | 3.35 | 3.43 | -0.08 |
| Nov | 3.39 | 3.38 | 0.01 |
| Dec | 3.57 | 3.58 | -0.01 |
45.72 | 47.91 | -2.19 |