| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.64 | 2.51 | 0.13 |
| Feb | 2.70 | 2.83 | -0.13 |
| Mar | 4.01 | 4.15 | -0.14 |
| Apr | 4.68 | 5.09 | -0.41 |
| May | 5.34 | 5.53 | -0.19 |
| Jun | 4.11 | 4.04 | 0.07 |
| Jul | 3.85 | 4.09 | -0.24 |
| Aug | 3.69 | 4.00 | -0.31 |
| Sep | 3.83 | 3.94 | -0.11 |
| Oct | 3.37 | 3.39 | -0.02 |
| Nov | 3.85 | 3.94 | -0.09 |
| Dec | 2.74 | 2.85 | -0.11 |
44.81 | 46.36 | -1.55 |