| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.67 | 0.71 | -0.04 |
| Feb | 0.77 | 0.81 | -0.04 |
| Mar | 1.43 | 1.49 | -0.06 |
| Apr | 2.51 | 2.71 | -0.20 |
| May | 3.49 | 3.81 | -0.32 |
| Jun | 4.61 | 4.58 | 0.03 |
| Jul | 3.71 | 3.63 | 0.08 |
| Aug | 3.91 | 4.07 | -0.16 |
| Sep | 2.96 | 3.16 | -0.20 |
| Oct | 2.24 | 2.40 | -0.16 |
| Nov | 1.27 | 1.33 | -0.06 |
| Dec | 0.88 | 0.99 | -0.11 |
28.45 | 29.69 | -1.24 |