| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.44 | 1.55 | -0.11 |
| Feb | 1.54 | 1.60 | -0.06 |
| Mar | 1.25 | 1.41 | -0.16 |
| Apr | 0.74 | 0.89 | -0.15 |
| May | 0.73 | 0.56 | 0.17 |
| Jun | 0.35 | 0.26 | 0.09 |
| Jul | 2.46 | 2.37 | 0.09 |
| Aug | 2.82 | 2.54 | 0.28 |
| Sep | 1.56 | 1.68 | -0.12 |
| Oct | 1.21 | 1.20 | 0.01 |
| Nov | 1.07 | 1.18 | -0.11 |
| Dec | 1.46 | 1.49 | -0.03 |
16.63 | 16.73 | -0.10 |