| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.17 | 3.22 | -0.05 |
| Feb | 2.51 | 2.39 | 0.12 |
| Mar | 3.41 | 3.38 | 0.03 |
| Apr | 4.57 | 4.62 | -0.05 |
| May | 4.92 | 4.98 | -0.06 |
| Jun | 4.96 | 5.20 | -0.24 |
| Jul | 4.30 | 4.31 | -0.01 |
| Aug | 3.43 | 3.25 | 0.18 |
| Sep | 3.23 | 3.33 | -0.10 |
| Oct | 3.19 | 3.11 | 0.08 |
| Nov | 3.49 | 3.51 | -0.02 |
| Dec | 3.17 | 3.19 | -0.02 |
44.35 | 44.49 | -0.14 |