| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.56 | -0.01 |
| Feb | 2.81 | 2.84 | -0.03 |
| Mar | 4.10 | 4.16 | -0.06 |
| Apr | 3.79 | 3.88 | -0.09 |
| May | 4.12 | 4.05 | 0.07 |
| Jun | 4.52 | 4.48 | 0.04 |
| Jul | 4.94 | 5.02 | -0.08 |
| Aug | 4.53 | 4.45 | 0.08 |
| Sep | 4.41 | 4.24 | 0.17 |
| Oct | 4.28 | 4.23 | 0.05 |
| Nov | 3.31 | 3.34 | -0.03 |
| Dec | 4.27 | 4.35 | -0.08 |
48.63 | 48.60 | 0.03 |