| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.33 | 5.14 | 0.19 |
| Feb | 5.28 | 5.18 | 0.10 |
| Mar | 5.62 | 5.51 | 0.11 |
| Apr | 5.40 | 5.38 | 0.02 |
| May | 5.06 | 5.03 | 0.03 |
| Jun | 5.28 | 5.22 | 0.06 |
| Jul | 5.19 | 5.35 | -0.16 |
| Aug | 4.06 | 4.18 | -0.12 |
| Sep | 4.21 | 4.19 | 0.02 |
| Oct | 3.30 | 3.31 | -0.01 |
| Nov | 4.33 | 4.32 | 0.01 |
| Dec | 6.12 | 6.04 | 0.08 |
59.18 | 58.85 | 0.33 |