| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.24 | 2.58 | -0.34 |
| Feb | 1.90 | 2.19 | -0.29 |
| Mar | 2.49 | 2.70 | -0.21 |
| Apr | 3.61 | 3.75 | -0.14 |
| May | 3.54 | 3.63 | -0.09 |
| Jun | 3.72 | 4.11 | -0.39 |
| Jul | 3.51 | 3.76 | -0.25 |
| Aug | 3.44 | 3.35 | 0.09 |
| Sep | 3.13 | 3.14 | -0.01 |
| Oct | 2.87 | 3.09 | -0.22 |
| Nov | 2.63 | 2.81 | -0.18 |
| Dec | 2.24 | 2.65 | -0.41 |
35.32 | 37.76 | -2.44 |