| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.69 | -0.07 |
| Feb | 0.75 | 0.81 | -0.06 |
| Mar | 1.39 | 1.49 | -0.10 |
| Apr | 2.77 | 2.90 | -0.13 |
| May | 3.90 | 3.84 | 0.06 |
| Jun | 4.76 | 4.86 | -0.10 |
| Jul | 3.47 | 3.55 | -0.08 |
| Aug | 3.33 | 3.45 | -0.12 |
| Sep | 3.14 | 3.19 | -0.05 |
| Oct | 2.14 | 2.30 | -0.16 |
| Nov | 1.16 | 1.27 | -0.11 |
| Dec | 0.81 | 0.93 | -0.12 |
28.24 | 29.28 | -1.04 |