| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.53 | -0.17 |
| Feb | 2.96 | 3.04 | -0.08 |
| Mar | 3.96 | 3.93 | 0.03 |
| Apr | 4.00 | 4.01 | -0.01 |
| May | 3.83 | 3.95 | -0.12 |
| Jun | 4.37 | 4.49 | -0.12 |
| Jul | 4.31 | 4.61 | -0.30 |
| Aug | 4.30 | 4.66 | -0.36 |
| Sep | 4.48 | 4.32 | 0.16 |
| Oct | 4.69 | 4.83 | -0.14 |
| Nov | 3.80 | 3.82 | -0.02 |
| Dec | 4.12 | 4.39 | -0.27 |
48.18 | 49.58 | -1.40 |