| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.22 | 4.26 | -0.04 |
| Feb | 4.44 | 4.62 | -0.18 |
| Mar | 5.15 | 5.07 | 0.08 |
| Apr | 5.21 | 5.08 | 0.13 |
| May | 5.03 | 5.17 | -0.14 |
| Jun | 3.95 | 4.29 | -0.34 |
| Jul | 3.68 | 3.70 | -0.02 |
| Aug | 3.33 | 3.22 | 0.11 |
| Sep | 3.78 | 3.75 | 0.03 |
| Oct | 4.58 | 4.72 | -0.14 |
| Nov | 4.31 | 4.21 | 0.10 |
| Dec | 5.31 | 5.19 | 0.12 |
52.99 | 53.28 | -0.29 |