| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.94 | -0.19 |
| Feb | 0.78 | 0.90 | -0.12 |
| Mar | 1.59 | 1.74 | -0.15 |
| Apr | 2.87 | 3.14 | -0.27 |
| May | 4.14 | 4.25 | -0.11 |
| Jun | 4.57 | 4.77 | -0.20 |
| Jul | 4.19 | 4.49 | -0.30 |
| Aug | 4.51 | 4.38 | 0.13 |
| Sep | 3.30 | 3.32 | -0.02 |
| Oct | 2.78 | 2.93 | -0.15 |
| Nov | 1.58 | 1.71 | -0.13 |
| Dec | 1.07 | 1.31 | -0.24 |
32.13 | 33.88 | -1.75 |