| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.08 | 4.06 | 0.02 |
| Feb | 3.69 | 3.72 | -0.03 |
| Mar | 4.43 | 4.41 | 0.02 |
| Apr | 3.46 | 3.40 | 0.06 |
| May | 3.39 | 3.35 | 0.04 |
| Jun | 4.04 | 3.88 | 0.16 |
| Jul | 3.78 | 3.77 | 0.01 |
| Aug | 4.21 | 3.97 | 0.24 |
| Sep | 3.65 | 3.58 | 0.07 |
| Oct | 3.31 | 3.32 | -0.01 |
| Nov | 3.55 | 3.53 | 0.02 |
| Dec | 4.24 | 4.30 | -0.06 |
45.83 | 45.29 | 0.54 |