| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.47 | -0.02 |
| Feb | 0.52 | 0.59 | -0.07 |
| Mar | 1.22 | 1.44 | -0.22 |
| Apr | 2.08 | 2.14 | -0.06 |
| May | 2.60 | 2.88 | -0.28 |
| Jun | 1.79 | 1.92 | -0.13 |
| Jul | 1.61 | 1.70 | -0.09 |
| Aug | 1.46 | 1.64 | -0.18 |
| Sep | 1.36 | 1.38 | -0.02 |
| Oct | 1.16 | 1.28 | -0.12 |
| Nov | 0.76 | 0.82 | -0.06 |
| Dec | 0.48 | 0.57 | -0.09 |
15.49 | 16.83 | -1.34 |