| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.95 | -0.22 |
| Feb | 0.77 | 0.88 | -0.11 |
| Mar | 1.58 | 1.69 | -0.11 |
| Apr | 2.88 | 3.12 | -0.24 |
| May | 4.14 | 4.25 | -0.11 |
| Jun | 4.47 | 4.64 | -0.17 |
| Jul | 4.18 | 4.42 | -0.24 |
| Aug | 4.41 | 4.29 | 0.12 |
| Sep | 3.28 | 3.31 | -0.03 |
| Oct | 2.75 | 2.83 | -0.08 |
| Nov | 1.56 | 1.70 | -0.14 |
| Dec | 1.04 | 1.28 | -0.24 |
31.79 | 33.36 | -1.57 |