| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.47 | -0.02 |
| Feb | 0.46 | 0.47 | -0.01 |
| Mar | 0.62 | 0.62 | 0.00 |
| Apr | 1.01 | 1.09 | -0.08 |
| May | 1.39 | 1.55 | -0.16 |
| Jun | 0.83 | 0.89 | -0.06 |
| Jul | 0.53 | 0.48 | 0.05 |
| Aug | 0.76 | 0.59 | 0.17 |
| Sep | 0.97 | 0.98 | -0.01 |
| Oct | 0.93 | 0.92 | 0.01 |
| Nov | 0.43 | 0.60 | -0.17 |
| Dec | 0.46 | 0.49 | -0.03 |
8.84 | 9.15 | -0.31 |