| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.18 | 1.26 | -0.08 |
| Feb | 1.53 | 1.67 | -0.14 |
| Mar | 2.40 | 2.51 | -0.11 |
| Apr | 4.02 | 4.16 | -0.14 |
| May | 5.48 | 5.54 | -0.06 |
| Jun | 5.16 | 5.36 | -0.20 |
| Jul | 4.66 | 4.57 | 0.09 |
| Aug | 4.43 | 4.39 | 0.04 |
| Sep | 3.91 | 4.31 | -0.40 |
| Oct | 3.27 | 3.39 | -0.12 |
| Nov | 2.17 | 2.24 | -0.07 |
| Dec | 1.62 | 1.74 | -0.12 |
39.83 | 41.14 | -1.31 |