| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.55 | -0.12 |
| Feb | 3.13 | 3.20 | -0.07 |
| Mar | 4.52 | 4.69 | -0.17 |
| Apr | 3.44 | 3.65 | -0.21 |
| May | 3.26 | 3.39 | -0.13 |
| Jun | 3.72 | 3.75 | -0.03 |
| Jul | 4.46 | 4.32 | 0.14 |
| Aug | 4.61 | 4.61 | 0.00 |
| Sep | 3.75 | 3.78 | -0.03 |
| Oct | 4.12 | 4.31 | -0.19 |
| Nov | 3.38 | 3.46 | -0.08 |
| Dec | 4.43 | 4.58 | -0.15 |
46.25 | 47.29 | -1.04 |