| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.11 | 1.28 | -0.17 |
| Feb | 1.00 | 1.09 | -0.09 |
| Mar | 1.57 | 1.64 | -0.07 |
| Apr | 2.59 | 2.83 | -0.24 |
| May | 3.41 | 3.57 | -0.16 |
| Jun | 3.79 | 3.96 | -0.17 |
| Jul | 4.03 | 4.23 | -0.20 |
| Aug | 3.46 | 3.57 | -0.11 |
| Sep | 3.20 | 3.27 | -0.07 |
| Oct | 3.17 | 3.13 | 0.04 |
| Nov | 2.02 | 1.86 | 0.16 |
| Dec | 1.51 | 1.63 | -0.12 |
30.86 | 32.06 | -1.20 |