| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.49 | 1.46 | 0.03 |
| Feb | 1.26 | 1.19 | 0.07 |
| Mar | 1.05 | 0.97 | 0.08 |
| Apr | 0.53 | 0.58 | -0.05 |
| May | 0.67 | 0.63 | 0.04 |
| Jun | 0.46 | 0.47 | -0.01 |
| Jul | 0.32 | 0.31 | 0.01 |
| Aug | 0.21 | 0.24 | -0.03 |
| Sep | 0.24 | 0.27 | -0.03 |
| Oct | 0.62 | 0.59 | 0.03 |
| Nov | 0.81 | 0.78 | 0.03 |
| Dec | 1.45 | 1.37 | 0.08 |
9.11 | 8.86 | 0.25 |