| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.57 | -0.05 |
| Feb | 2.94 | 3.02 | -0.08 |
| Mar | 4.48 | 4.48 | 0.00 |
| Apr | 3.44 | 3.56 | -0.12 |
| May | 3.37 | 3.42 | -0.05 |
| Jun | 3.91 | 4.12 | -0.21 |
| Jul | 4.67 | 4.56 | 0.11 |
| Aug | 4.80 | 4.91 | -0.11 |
| Sep | 3.80 | 4.01 | -0.21 |
| Oct | 4.14 | 4.11 | 0.03 |
| Nov | 3.35 | 3.34 | 0.01 |
| Dec | 4.39 | 4.45 | -0.06 |
46.81 | 47.55 | -0.74 |