| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.24 | 0.26 | -0.02 |
| Feb | 0.35 | 0.39 | -0.04 |
| Mar | 0.69 | 0.71 | -0.02 |
| Apr | 1.44 | 1.48 | -0.04 |
| May | 2.08 | 2.05 | 0.03 |
| Jun | 2.15 | 2.11 | 0.04 |
| Jul | 3.05 | 2.91 | 0.14 |
| Aug | 2.58 | 2.47 | 0.11 |
| Sep | 0.91 | 0.90 | 0.01 |
| Oct | 1.12 | 1.13 | -0.01 |
| Nov | 0.39 | 0.38 | 0.01 |
| Dec | 0.31 | 0.36 | -0.05 |
15.31 | 15.15 | 0.16 |