| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.56 | -0.06 |
| Feb | 2.89 | 2.90 | -0.01 |
| Mar | 4.05 | 3.96 | 0.09 |
| Apr | 3.61 | 3.66 | -0.05 |
| May | 3.74 | 3.90 | -0.16 |
| Jun | 4.46 | 4.25 | 0.21 |
| Jul | 5.28 | 5.32 | -0.04 |
| Aug | 5.02 | 5.33 | -0.31 |
| Sep | 4.93 | 5.06 | -0.13 |
| Oct | 3.96 | 4.37 | -0.41 |
| Nov | 3.08 | 3.14 | -0.06 |
| Dec | 3.60 | 3.64 | -0.04 |
48.12 | 49.09 | -0.97 |