| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.38 | 0.01 |
| Feb | 3.06 | 3.14 | -0.08 |
| Mar | 4.49 | 4.62 | -0.13 |
| Apr | 3.45 | 3.62 | -0.17 |
| May | 3.24 | 3.40 | -0.16 |
| Jun | 3.73 | 3.73 | 0.00 |
| Jul | 4.36 | 4.36 | 0.00 |
| Aug | 4.70 | 4.63 | 0.07 |
| Sep | 3.79 | 3.97 | -0.18 |
| Oct | 4.15 | 4.37 | -0.22 |
| Nov | 3.36 | 3.41 | -0.05 |
| Dec | 4.31 | 4.48 | -0.17 |
46.03 | 47.11 | -1.08 |