| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.06 | 0.93 | 0.13 |
| Feb | 1.42 | 1.26 | 0.16 |
| Mar | 2.39 | 2.40 | -0.01 |
| Apr | 3.89 | 3.79 | 0.10 |
| May | 5.29 | 5.32 | -0.03 |
| Jun | 5.18 | 5.08 | 0.10 |
| Jul | 4.78 | 4.45 | 0.33 |
| Aug | 4.13 | 4.18 | -0.05 |
| Sep | 3.73 | 3.89 | -0.16 |
| Oct | 3.15 | 3.10 | 0.05 |
| Nov | 2.09 | 1.82 | 0.27 |
| Dec | 1.58 | 1.51 | 0.07 |
38.69 | 37.73 | 0.96 |