| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.30 | 1.61 | -0.31 |
| Feb | 1.06 | 1.14 | -0.08 |
| Mar | 1.57 | 1.75 | -0.18 |
| Apr | 2.63 | 2.90 | -0.27 |
| May | 3.29 | 3.37 | -0.08 |
| Jun | 3.59 | 3.79 | -0.20 |
| Jul | 3.69 | 3.76 | -0.07 |
| Aug | 3.30 | 3.38 | -0.08 |
| Sep | 3.11 | 3.18 | -0.07 |
| Oct | 3.16 | 3.15 | 0.01 |
| Nov | 2.06 | 2.28 | -0.22 |
| Dec | 1.73 | 1.94 | -0.21 |
30.49 | 32.25 | -1.76 |