| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.67 | 0.02 |
| Feb | 0.67 | 0.69 | -0.02 |
| Mar | 1.29 | 1.24 | 0.05 |
| Apr | 2.30 | 2.20 | 0.10 |
| May | 3.38 | 3.41 | -0.03 |
| Jun | 4.34 | 4.40 | -0.06 |
| Jul | 4.35 | 4.19 | 0.16 |
| Aug | 3.51 | 3.43 | 0.08 |
| Sep | 2.96 | 2.91 | 0.05 |
| Oct | 2.68 | 2.69 | -0.01 |
| Nov | 1.17 | 1.08 | 0.09 |
| Dec | 0.84 | 0.88 | -0.04 |
28.18 | 27.79 | 0.39 |