| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.66 | 0.05 |
| Feb | 1.04 | 0.98 | 0.06 |
| Mar | 1.88 | 1.87 | 0.01 |
| Apr | 2.34 | 2.45 | -0.11 |
| May | 3.86 | 4.05 | -0.19 |
| Jun | 3.95 | 3.97 | -0.02 |
| Jul | 3.34 | 3.32 | 0.02 |
| Aug | 3.44 | 3.40 | 0.04 |
| Sep | 2.07 | 2.25 | -0.18 |
| Oct | 2.32 | 2.29 | 0.03 |
| Nov | 1.17 | 1.12 | 0.05 |
| Dec | 0.97 | 0.97 | 0.00 |
27.09 | 27.33 | -0.24 |