| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.36 | 0.34 | 0.02 |
| Feb | 0.55 | 0.51 | 0.04 |
| Mar | 0.95 | 0.98 | -0.03 |
| Apr | 2.09 | 2.09 | 0.00 |
| May | 3.06 | 3.24 | -0.18 |
| Jun | 3.12 | 3.34 | -0.22 |
| Jul | 2.98 | 3.11 | -0.13 |
| Aug | 2.29 | 2.37 | -0.08 |
| Sep | 1.51 | 1.48 | 0.03 |
| Oct | 1.44 | 1.46 | -0.02 |
| Nov | 0.51 | 0.51 | 0.00 |
| Dec | 0.38 | 0.38 | 0.00 |
19.24 | 19.81 | -0.57 |