| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.75 | 2.81 | -0.06 |
| Feb | 2.31 | 2.36 | -0.05 |
| Mar | 3.04 | 3.09 | -0.05 |
| Apr | 4.09 | 4.19 | -0.10 |
| May | 4.52 | 4.54 | -0.02 |
| Jun | 4.86 | 4.86 | 0.00 |
| Jul | 4.38 | 4.35 | 0.03 |
| Aug | 3.34 | 3.29 | 0.05 |
| Sep | 3.13 | 3.16 | -0.03 |
| Oct | 3.20 | 3.11 | 0.09 |
| Nov | 3.35 | 3.37 | -0.02 |
| Dec | 2.74 | 2.77 | -0.03 |
41.71 | 41.90 | -0.19 |