| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.42 | -0.11 |
| Feb | 3.26 | 3.21 | 0.05 |
| Mar | 4.51 | 4.54 | -0.03 |
| Apr | 4.93 | 5.03 | -0.10 |
| May | 4.85 | 4.97 | -0.12 |
| Jun | 4.19 | 4.09 | 0.10 |
| Jul | 4.27 | 4.08 | 0.19 |
| Aug | 2.97 | 3.00 | -0.03 |
| Sep | 3.39 | 3.31 | 0.08 |
| Oct | 3.33 | 3.49 | -0.16 |
| Nov | 3.85 | 3.80 | 0.05 |
| Dec | 3.93 | 3.86 | 0.07 |
46.79 | 46.80 | -0.01 |