| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.19 | -0.12 |
| Feb | 2.63 | 2.83 | -0.20 |
| Mar | 3.89 | 4.05 | -0.16 |
| Apr | 3.52 | 3.54 | -0.02 |
| May | 4.28 | 4.25 | 0.03 |
| Jun | 4.23 | 4.20 | 0.03 |
| Jul | 4.39 | 4.07 | 0.32 |
| Aug | 3.73 | 3.92 | -0.19 |
| Sep | 4.44 | 4.35 | 0.09 |
| Oct | 3.90 | 4.14 | -0.24 |
| Nov | 3.22 | 3.27 | -0.05 |
| Dec | 3.60 | 3.91 | -0.31 |
44.90 | 45.72 | -0.82 |