| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.09 | 0.92 | 0.17 |
| Feb | 1.06 | 0.94 | 0.12 |
| Mar | 1.09 | 1.08 | 0.01 |
| Apr | 0.76 | 0.91 | -0.15 |
| May | 0.74 | 0.89 | -0.15 |
| Jun | 0.80 | 0.71 | 0.09 |
| Jul | 2.84 | 2.79 | 0.05 |
| Aug | 2.59 | 2.45 | 0.14 |
| Sep | 1.49 | 1.52 | -0.03 |
| Oct | 1.36 | 1.30 | 0.06 |
| Nov | 0.90 | 1.04 | -0.14 |
| Dec | 1.44 | 1.16 | 0.28 |
16.16 | 15.71 | 0.45 |