| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.54 | -0.13 |
| Feb | 2.66 | 2.78 | -0.12 |
| Mar | 4.04 | 4.24 | -0.20 |
| Apr | 3.60 | 3.63 | -0.03 |
| May | 3.85 | 3.98 | -0.13 |
| Jun | 4.27 | 4.35 | -0.08 |
| Jul | 4.92 | 4.78 | 0.14 |
| Aug | 4.25 | 4.39 | -0.14 |
| Sep | 4.10 | 4.11 | -0.01 |
| Oct | 4.07 | 4.08 | -0.01 |
| Nov | 3.21 | 3.28 | -0.07 |
| Dec | 4.10 | 4.37 | -0.27 |
46.48 | 47.53 | -1.05 |