| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.29 | 3.30 | -0.01 |
| Feb | 2.85 | 2.98 | -0.13 |
| Mar | 4.02 | 4.00 | 0.02 |
| Apr | 4.41 | 4.54 | -0.13 |
| May | 4.74 | 4.93 | -0.19 |
| Jun | 4.66 | 4.41 | 0.25 |
| Jul | 4.39 | 4.28 | 0.11 |
| Aug | 3.37 | 3.31 | 0.06 |
| Sep | 3.12 | 3.18 | -0.06 |
| Oct | 3.10 | 3.11 | -0.01 |
| Nov | 3.09 | 3.17 | -0.08 |
| Dec | 3.59 | 3.51 | 0.08 |
44.63 | 44.72 | -0.09 |