| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.10 | 5.21 | -0.11 |
| Feb | 4.90 | 5.05 | -0.15 |
| Mar | 5.07 | 5.23 | -0.16 |
| Apr | 4.20 | 4.21 | -0.01 |
| May | 4.28 | 4.15 | 0.13 |
| Jun | 4.69 | 4.40 | 0.29 |
| Jul | 4.39 | 4.07 | 0.32 |
| Aug | 5.06 | 5.05 | 0.01 |
| Sep | 4.02 | 4.14 | -0.12 |
| Oct | 4.01 | 4.04 | -0.03 |
| Nov | 4.31 | 4.33 | -0.02 |
| Dec | 4.98 | 5.12 | -0.14 |
55.01 | 55.00 | 0.01 |