| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.04 | 5.04 | 0.00 |
| Feb | 5.00 | 5.02 | -0.02 |
| Mar | 5.41 | 5.35 | 0.06 |
| Apr | 4.46 | 4.68 | -0.22 |
| May | 3.71 | 3.80 | -0.09 |
| Jun | 4.60 | 4.84 | -0.24 |
| Jul | 5.19 | 5.01 | 0.18 |
| Aug | 4.31 | 4.34 | -0.03 |
| Sep | 3.82 | 3.58 | 0.24 |
| Oct | 3.29 | 3.21 | 0.08 |
| Nov | 4.34 | 4.12 | 0.22 |
| Dec | 5.64 | 5.55 | 0.09 |
54.81 | 54.54 | 0.27 |