| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.39 | 0.41 | -0.02 |
| Feb | 0.57 | 0.60 | -0.03 |
| Mar | 0.93 | 0.98 | -0.05 |
| Apr | 1.79 | 1.89 | -0.10 |
| May | 2.72 | 2.88 | -0.16 |
| Jun | 1.90 | 2.05 | -0.15 |
| Jul | 1.46 | 1.62 | -0.16 |
| Aug | 1.29 | 1.42 | -0.13 |
| Sep | 1.24 | 1.32 | -0.08 |
| Oct | 1.22 | 1.21 | 0.01 |
| Nov | 0.59 | 0.64 | -0.05 |
| Dec | 0.60 | 0.61 | -0.01 |
14.70 | 15.63 | -0.93 |