| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.65 | 0.03 |
| Feb | 0.78 | 0.82 | -0.04 |
| Mar | 1.56 | 1.59 | -0.03 |
| Apr | 2.96 | 3.10 | -0.14 |
| May | 4.34 | 4.52 | -0.18 |
| Jun | 4.71 | 4.83 | -0.12 |
| Jul | 3.13 | 3.24 | -0.11 |
| Aug | 3.68 | 3.69 | -0.01 |
| Sep | 3.04 | 2.94 | 0.10 |
| Oct | 2.20 | 2.23 | -0.03 |
| Nov | 1.25 | 1.29 | -0.04 |
| Dec | 1.00 | 1.02 | -0.02 |
29.33 | 29.92 | -0.59 |