| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.69 | 3.69 | 0.00 |
| Feb | 3.06 | 3.04 | 0.02 |
| Mar | 4.06 | 4.00 | 0.06 |
| Apr | 3.59 | 3.60 | -0.01 |
| May | 3.63 | 3.46 | 0.17 |
| Jun | 4.15 | 4.33 | -0.18 |
| Jul | 4.51 | 4.62 | -0.11 |
| Aug | 4.15 | 4.44 | -0.29 |
| Sep | 4.88 | 4.94 | -0.06 |
| Oct | 3.33 | 3.43 | -0.10 |
| Nov | 3.38 | 3.41 | -0.03 |
| Dec | 3.60 | 3.53 | 0.07 |
46.03 | 46.49 | -0.46 |