| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.84 | -0.24 |
| Feb | 2.99 | 3.28 | -0.29 |
| Mar | 4.34 | 4.70 | -0.36 |
| Apr | 4.10 | 4.35 | -0.25 |
| May | 3.49 | 3.45 | 0.04 |
| Jun | 3.93 | 4.06 | -0.13 |
| Jul | 3.39 | 3.51 | -0.12 |
| Aug | 3.88 | 4.11 | -0.23 |
| Sep | 4.13 | 4.40 | -0.27 |
| Oct | 4.52 | 4.62 | -0.10 |
| Nov | 3.72 | 4.01 | -0.29 |
| Dec | 4.38 | 4.72 | -0.34 |
46.47 | 49.05 | -2.58 |