| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.73 | -0.13 |
| Feb | 2.88 | 3.01 | -0.13 |
| Mar | 3.82 | 4.08 | -0.26 |
| Apr | 3.75 | 3.96 | -0.21 |
| May | 3.87 | 3.84 | 0.03 |
| Jun | 4.32 | 4.28 | 0.04 |
| Jul | 4.10 | 4.10 | 0.00 |
| Aug | 4.17 | 4.24 | -0.07 |
| Sep | 4.46 | 4.65 | -0.19 |
| Oct | 3.39 | 3.35 | 0.04 |
| Nov | 3.21 | 3.33 | -0.12 |
| Dec | 3.42 | 3.55 | -0.13 |
44.99 | 46.12 | -1.13 |