| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.17 | 1.25 | -0.08 |
| Feb | 1.08 | 1.09 | -0.01 |
| Mar | 1.66 | 1.71 | -0.05 |
| Apr | 2.73 | 2.95 | -0.22 |
| May | 3.62 | 3.72 | -0.10 |
| Jun | 4.04 | 4.21 | -0.17 |
| Jul | 4.29 | 4.47 | -0.18 |
| Aug | 3.61 | 3.78 | -0.17 |
| Sep | 3.47 | 3.58 | -0.11 |
| Oct | 3.33 | 3.33 | 0.00 |
| Nov | 2.03 | 1.98 | 0.05 |
| Dec | 1.56 | 1.61 | -0.05 |
32.59 | 33.68 | -1.09 |