| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 1.02 | -0.06 |
| Feb | 0.88 | 0.96 | -0.08 |
| Mar | 1.39 | 1.46 | -0.07 |
| Apr | 2.43 | 2.58 | -0.15 |
| May | 3.13 | 3.28 | -0.15 |
| Jun | 4.22 | 4.20 | 0.02 |
| Jul | 3.86 | 3.74 | 0.12 |
| Aug | 3.45 | 3.58 | -0.13 |
| Sep | 3.22 | 3.38 | -0.16 |
| Oct | 2.89 | 2.99 | -0.10 |
| Nov | 1.77 | 1.97 | -0.20 |
| Dec | 1.32 | 1.47 | -0.15 |
29.52 | 30.63 | -1.11 |