| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.08 | 3.06 | 0.02 |
| Feb | 2.84 | 3.02 | -0.18 |
| Mar | 4.10 | 4.27 | -0.17 |
| Apr | 5.25 | 5.28 | -0.03 |
| May | 5.13 | 5.16 | -0.03 |
| Jun | 4.39 | 4.46 | -0.07 |
| Jul | 3.93 | 3.79 | 0.14 |
| Aug | 3.32 | 3.08 | 0.24 |
| Sep | 3.26 | 3.03 | 0.23 |
| Oct | 3.55 | 3.67 | -0.12 |
| Nov | 4.24 | 3.91 | 0.33 |
| Dec | 3.26 | 3.41 | -0.15 |
46.35 | 46.14 | 0.21 |