| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.21 | 2.26 | -0.05 |
| Feb | 2.01 | 2.10 | -0.09 |
| Mar | 2.48 | 2.69 | -0.21 |
| Apr | 3.95 | 3.97 | -0.02 |
| May | 4.51 | 4.45 | 0.06 |
| Jun | 4.54 | 4.62 | -0.08 |
| Jul | 4.23 | 4.21 | 0.02 |
| Aug | 3.26 | 3.14 | 0.12 |
| Sep | 3.22 | 3.18 | 0.04 |
| Oct | 3.23 | 3.29 | -0.06 |
| Nov | 3.10 | 3.15 | -0.05 |
| Dec | 2.29 | 2.38 | -0.09 |
39.03 | 39.44 | -0.41 |