| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 1.07 | -0.11 |
| Feb | 0.92 | 1.00 | -0.08 |
| Mar | 1.34 | 1.38 | -0.04 |
| Apr | 2.28 | 2.32 | -0.04 |
| May | 3.12 | 3.10 | 0.02 |
| Jun | 4.39 | 4.53 | -0.14 |
| Jul | 4.06 | 4.19 | -0.13 |
| Aug | 3.47 | 3.36 | 0.11 |
| Sep | 3.41 | 3.52 | -0.11 |
| Oct | 2.91 | 2.78 | 0.13 |
| Nov | 1.69 | 1.73 | -0.04 |
| Dec | 1.28 | 1.50 | -0.22 |
29.83 | 30.48 | -0.65 |