| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.06 | 1.77 | -0.71 |
| Feb | 1.05 | 1.29 | -0.24 |
| Mar | 1.31 | 1.58 | -0.27 |
| Apr | 2.31 | 2.48 | -0.17 |
| May | 3.03 | 3.17 | -0.14 |
| Jun | 3.85 | 4.07 | -0.22 |
| Jul | 3.71 | 3.58 | 0.13 |
| Aug | 2.83 | 3.01 | -0.18 |
| Sep | 3.17 | 3.74 | -0.57 |
| Oct | 3.13 | 3.65 | -0.52 |
| Nov | 2.05 | 2.83 | -0.78 |
| Dec | 1.59 | 2.36 | -0.77 |
29.09 | 33.53 | -4.44 |