| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.93 | 1.84 | 0.09 |
| Feb | 2.28 | 2.11 | 0.17 |
| Mar | 1.74 | 1.68 | 0.06 |
| Apr | 0.64 | 0.67 | -0.03 |
| May | 0.57 | 0.45 | 0.12 |
| Jun | 0.31 | 0.26 | 0.05 |
| Jul | 2.41 | 2.78 | -0.37 |
| Aug | 3.17 | 2.78 | 0.39 |
| Sep | 1.73 | 1.58 | 0.15 |
| Oct | 1.12 | 1.09 | 0.03 |
| Nov | 1.07 | 0.94 | 0.13 |
| Dec | 1.81 | 1.51 | 0.30 |
18.78 | 17.69 | 1.09 |