| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.03 | 3.06 | -0.03 |
| Feb | 2.64 | 2.71 | -0.07 |
| Mar | 3.79 | 3.87 | -0.08 |
| Apr | 3.47 | 3.41 | 0.06 |
| May | 4.32 | 4.35 | -0.03 |
| Jun | 4.29 | 4.28 | 0.01 |
| Jul | 4.48 | 4.33 | 0.15 |
| Aug | 3.85 | 3.79 | 0.06 |
| Sep | 4.29 | 4.36 | -0.07 |
| Oct | 3.86 | 3.96 | -0.10 |
| Nov | 3.16 | 3.21 | -0.05 |
| Dec | 3.68 | 3.71 | -0.03 |
44.86 | 45.04 | -0.18 |