| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.02 | 3.30 | -0.28 |
| Feb | 2.51 | 2.86 | -0.35 |
| Mar | 3.31 | 3.52 | -0.21 |
| Apr | 3.45 | 3.60 | -0.15 |
| May | 3.52 | 3.62 | -0.10 |
| Jun | 4.32 | 4.20 | 0.12 |
| Jul | 4.22 | 4.32 | -0.10 |
| Aug | 4.38 | 4.51 | -0.13 |
| Sep | 4.27 | 4.40 | -0.13 |
| Oct | 4.35 | 4.41 | -0.06 |
| Nov | 3.33 | 3.39 | -0.06 |
| Dec | 3.69 | 4.00 | -0.31 |
44.37 | 46.13 | -1.76 |