| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.56 | 0.58 | -0.02 |
| Feb | 0.81 | 0.77 | 0.04 |
| Mar | 1.42 | 1.40 | 0.02 |
| Apr | 2.91 | 2.91 | 0.00 |
| May | 3.86 | 3.81 | 0.05 |
| Jun | 4.53 | 4.32 | 0.21 |
| Jul | 3.30 | 3.29 | 0.01 |
| Aug | 3.30 | 3.28 | 0.02 |
| Sep | 2.95 | 2.82 | 0.13 |
| Oct | 2.28 | 2.29 | -0.01 |
| Nov | 1.21 | 1.18 | 0.03 |
| Dec | 0.83 | 0.84 | -0.01 |
27.96 | 27.49 | 0.47 |