| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.43 | -0.02 |
| Feb | 2.96 | 2.85 | 0.11 |
| Mar | 3.55 | 3.63 | -0.08 |
| Apr | 3.77 | 3.74 | 0.03 |
| May | 4.39 | 4.43 | -0.04 |
| Jun | 4.60 | 4.51 | 0.09 |
| Jul | 4.52 | 4.51 | 0.01 |
| Aug | 3.93 | 4.02 | -0.09 |
| Sep | 3.77 | 3.67 | 0.10 |
| Oct | 3.29 | 3.23 | 0.06 |
| Nov | 3.25 | 3.31 | -0.06 |
| Dec | 3.44 | 3.45 | -0.01 |
44.88 | 44.78 | 0.10 |