| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.48 | 0.55 | -0.07 |
| Feb | 0.30 | 0.38 | -0.08 |
| Mar | 0.88 | 0.94 | -0.06 |
| Apr | 1.18 | 1.14 | 0.04 |
| May | 1.74 | 1.91 | -0.17 |
| Jun | 2.20 | 2.12 | 0.08 |
| Jul | 2.49 | 2.49 | 0.00 |
| Aug | 2.41 | 2.73 | -0.32 |
| Sep | 1.35 | 1.47 | -0.12 |
| Oct | 1.46 | 1.70 | -0.24 |
| Nov | 0.54 | 0.55 | -0.01 |
| Dec | 0.56 | 0.68 | -0.12 |
15.59 | 16.66 | -1.07 |