| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.02 | 1.09 | -0.07 |
| Feb | 1.48 | 1.52 | -0.04 |
| Mar | 2.35 | 2.37 | -0.02 |
| Apr | 3.83 | 3.91 | -0.08 |
| May | 5.13 | 5.35 | -0.22 |
| Jun | 5.45 | 5.32 | 0.13 |
| Jul | 4.17 | 4.16 | 0.01 |
| Aug | 4.34 | 4.34 | 0.00 |
| Sep | 3.78 | 4.00 | -0.22 |
| Oct | 3.16 | 3.19 | -0.03 |
| Nov | 2.07 | 2.10 | -0.03 |
| Dec | 1.61 | 1.64 | -0.03 |
38.39 | 38.99 | -0.60 |