| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.94 | 3.17 | -0.23 |
| Feb | 2.54 | 2.85 | -0.31 |
| Mar | 3.11 | 3.39 | -0.28 |
| Apr | 3.60 | 3.92 | -0.32 |
| May | 3.94 | 3.92 | 0.02 |
| Jun | 4.52 | 4.89 | -0.37 |
| Jul | 4.40 | 4.55 | -0.15 |
| Aug | 4.22 | 4.42 | -0.20 |
| Sep | 3.84 | 3.88 | -0.04 |
| Oct | 4.24 | 4.51 | -0.27 |
| Nov | 3.36 | 3.72 | -0.36 |
| Dec | 3.50 | 3.86 | -0.36 |
44.21 | 47.08 | -2.87 |