| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.35 | 0.31 | 0.04 |
| Feb | 0.39 | 0.39 | 0.00 |
| Mar | 0.88 | 0.92 | -0.04 |
| Apr | 1.60 | 1.61 | -0.01 |
| May | 2.36 | 2.37 | -0.01 |
| Jun | 2.24 | 2.16 | 0.08 |
| Jul | 2.77 | 2.78 | -0.01 |
| Aug | 2.57 | 2.89 | -0.32 |
| Sep | 1.09 | 1.07 | 0.02 |
| Oct | 0.93 | 1.06 | -0.13 |
| Nov | 0.44 | 0.43 | 0.01 |
| Dec | 0.31 | 0.34 | -0.03 |
15.93 | 16.33 | -0.40 |