| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.41 | -0.02 |
| Feb | 3.28 | 3.43 | -0.15 |
| Mar | 4.01 | 4.03 | -0.02 |
| Apr | 4.37 | 4.35 | 0.02 |
| May | 3.71 | 3.59 | 0.12 |
| Jun | 4.46 | 4.63 | -0.17 |
| Jul | 3.64 | 3.74 | -0.10 |
| Aug | 3.62 | 3.63 | -0.01 |
| Sep | 3.97 | 3.89 | 0.08 |
| Oct | 5.22 | 5.66 | -0.44 |
| Nov | 4.44 | 4.38 | 0.06 |
| Dec | 4.42 | 4.60 | -0.18 |
48.53 | 49.34 | -0.81 |