| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.63 | 0.00 |
| Feb | 3.01 | 3.07 | -0.06 |
| Mar | 3.90 | 4.03 | -0.13 |
| Apr | 3.63 | 3.82 | -0.19 |
| May | 3.56 | 3.44 | 0.12 |
| Jun | 4.10 | 4.20 | -0.10 |
| Jul | 4.44 | 4.32 | 0.12 |
| Aug | 4.14 | 4.33 | -0.19 |
| Sep | 4.13 | 4.20 | -0.07 |
| Oct | 3.18 | 3.22 | -0.04 |
| Nov | 3.28 | 3.31 | -0.03 |
| Dec | 3.49 | 3.54 | -0.05 |
44.49 | 45.11 | -0.62 |