| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.54 | 0.57 | -0.03 |
| Feb | 0.76 | 0.77 | -0.01 |
| Mar | 1.44 | 1.40 | 0.04 |
| Apr | 2.83 | 2.95 | -0.12 |
| May | 3.66 | 3.69 | -0.03 |
| Jun | 4.40 | 4.30 | 0.10 |
| Jul | 3.32 | 3.29 | 0.03 |
| Aug | 3.37 | 3.40 | -0.03 |
| Sep | 2.93 | 2.89 | 0.04 |
| Oct | 2.20 | 2.17 | 0.03 |
| Nov | 1.14 | 1.15 | -0.01 |
| Dec | 0.79 | 0.85 | -0.06 |
27.38 | 27.43 | -0.05 |