| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.02 | 5.30 | -0.28 |
| Feb | 5.31 | 5.04 | 0.27 |
| Mar | 5.36 | 5.42 | -0.06 |
| Apr | 4.91 | 4.80 | 0.11 |
| May | 4.10 | 4.16 | -0.06 |
| Jun | 4.27 | 4.29 | -0.02 |
| Jul | 4.51 | 4.85 | -0.34 |
| Aug | 3.97 | 3.85 | 0.12 |
| Sep | 4.39 | 4.58 | -0.19 |
| Oct | 3.72 | 3.67 | 0.05 |
| Nov | 4.55 | 4.75 | -0.20 |
| Dec | 5.42 | 5.84 | -0.42 |
55.53 | 56.55 | -1.02 |