| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.65 | 0.06 |
| Feb | 0.71 | 0.70 | 0.01 |
| Mar | 1.36 | 1.31 | 0.05 |
| Apr | 2.36 | 2.37 | -0.01 |
| May | 3.37 | 3.43 | -0.06 |
| Jun | 4.39 | 4.44 | -0.05 |
| Jul | 4.29 | 4.17 | 0.12 |
| Aug | 3.55 | 3.44 | 0.11 |
| Sep | 2.95 | 2.91 | 0.04 |
| Oct | 2.66 | 2.69 | -0.03 |
| Nov | 1.25 | 1.19 | 0.06 |
| Dec | 0.87 | 0.91 | -0.04 |
28.47 | 28.21 | 0.26 |