| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.45 | 1.51 | -0.06 |
| Feb | 1.54 | 1.59 | -0.05 |
| Mar | 2.11 | 2.09 | 0.02 |
| Apr | 3.68 | 3.77 | -0.09 |
| May | 4.10 | 4.24 | -0.14 |
| Jun | 5.46 | 5.43 | 0.03 |
| Jul | 4.12 | 4.08 | 0.04 |
| Aug | 4.17 | 4.22 | -0.05 |
| Sep | 3.68 | 3.66 | 0.02 |
| Oct | 2.86 | 2.91 | -0.05 |
| Nov | 2.35 | 2.28 | 0.07 |
| Dec | 1.78 | 1.79 | -0.01 |
37.30 | 37.57 | -0.27 |