| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.11 | 1.09 | 0.02 |
| Feb | 1.50 | 1.55 | -0.05 |
| Mar | 2.37 | 2.39 | -0.02 |
| Apr | 3.81 | 3.85 | -0.04 |
| May | 5.33 | 5.52 | -0.19 |
| Jun | 5.05 | 5.07 | -0.02 |
| Jul | 4.57 | 4.69 | -0.12 |
| Aug | 4.30 | 4.26 | 0.04 |
| Sep | 4.06 | 3.93 | 0.13 |
| Oct | 3.06 | 3.10 | -0.04 |
| Nov | 2.17 | 2.10 | 0.07 |
| Dec | 1.60 | 1.63 | -0.03 |
38.93 | 39.18 | -0.25 |