| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.72 | -0.03 |
| Feb | 0.79 | 0.79 | 0.00 |
| Mar | 1.39 | 1.45 | -0.06 |
| Apr | 2.37 | 2.49 | -0.12 |
| May | 3.50 | 3.55 | -0.05 |
| Jun | 4.43 | 4.53 | -0.10 |
| Jul | 4.45 | 4.61 | -0.16 |
| Aug | 3.81 | 3.86 | -0.05 |
| Sep | 3.05 | 2.92 | 0.13 |
| Oct | 2.86 | 2.83 | 0.03 |
| Nov | 1.36 | 1.40 | -0.04 |
| Dec | 0.91 | 0.99 | -0.08 |
29.61 | 30.14 | -0.53 |