| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.30 | 0.28 | 0.02 |
| Feb | 0.41 | 0.44 | -0.03 |
| Mar | 0.78 | 0.82 | -0.04 |
| Apr | 1.79 | 1.76 | 0.03 |
| May | 2.87 | 2.88 | -0.01 |
| Jun | 2.55 | 2.78 | -0.23 |
| Jul | 2.13 | 1.94 | 0.19 |
| Aug | 1.58 | 1.56 | 0.02 |
| Sep | 1.41 | 1.39 | 0.02 |
| Oct | 1.12 | 1.15 | -0.03 |
| Nov | 0.50 | 0.51 | -0.01 |
| Dec | 0.35 | 0.41 | -0.06 |
15.79 | 15.92 | -0.13 |