| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.04 | 5.06 | -0.02 |
| Feb | 5.06 | 5.36 | -0.30 |
| Mar | 5.35 | 5.38 | -0.03 |
| Apr | 4.58 | 4.74 | -0.16 |
| May | 4.20 | 4.16 | 0.04 |
| Jun | 4.51 | 4.53 | -0.02 |
| Jul | 4.47 | 4.44 | 0.03 |
| Aug | 3.90 | 3.96 | -0.06 |
| Sep | 3.52 | 3.39 | 0.13 |
| Oct | 3.25 | 3.42 | -0.17 |
| Nov | 4.37 | 4.21 | 0.16 |
| Dec | 4.89 | 4.91 | -0.02 |
53.14 | 53.56 | -0.42 |