| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.63 | 2.87 | -0.24 |
| Feb | 2.10 | 2.04 | 0.06 |
| Mar | 2.42 | 2.57 | -0.15 |
| Apr | 3.06 | 3.27 | -0.21 |
| May | 3.22 | 3.42 | -0.20 |
| Jun | 3.39 | 3.38 | 0.01 |
| Jul | 3.72 | 3.69 | 0.03 |
| Aug | 3.37 | 3.45 | -0.08 |
| Sep | 3.91 | 4.10 | -0.19 |
| Oct | 4.09 | 4.54 | -0.45 |
| Nov | 3.29 | 3.71 | -0.42 |
| Dec | 3.26 | 3.54 | -0.28 |
38.46 | 40.58 | -2.12 |