| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.46 | 0.51 | -0.05 |
| Feb | 0.62 | 0.71 | -0.09 |
| Mar | 0.93 | 1.05 | -0.12 |
| Apr | 1.88 | 1.94 | -0.06 |
| May | 3.00 | 3.27 | -0.27 |
| Jun | 2.33 | 2.44 | -0.11 |
| Jul | 1.62 | 1.67 | -0.05 |
| Aug | 1.22 | 1.27 | -0.05 |
| Sep | 1.09 | 1.16 | -0.07 |
| Oct | 1.44 | 1.49 | -0.05 |
| Nov | 0.55 | 0.61 | -0.06 |
| Dec | 0.49 | 0.58 | -0.09 |
15.63 | 16.70 | -1.07 |