| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.69 | 0.02 |
| Feb | 1.05 | 1.08 | -0.03 |
| Mar | 1.78 | 1.78 | 0.00 |
| Apr | 2.36 | 2.29 | 0.07 |
| May | 4.52 | 4.57 | -0.05 |
| Jun | 3.95 | 3.82 | 0.13 |
| Jul | 4.10 | 3.78 | 0.32 |
| Aug | 3.73 | 3.68 | 0.05 |
| Sep | 2.47 | 2.30 | 0.17 |
| Oct | 2.17 | 2.13 | 0.04 |
| Nov | 1.16 | 1.11 | 0.05 |
| Dec | 1.06 | 0.99 | 0.07 |
29.06 | 28.22 | 0.84 |