| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.57 | -0.08 |
| Feb | 0.53 | 0.63 | -0.10 |
| Mar | 1.09 | 1.30 | -0.21 |
| Apr | 1.92 | 2.30 | -0.38 |
| May | 2.31 | 2.55 | -0.24 |
| Jun | 2.08 | 2.10 | -0.02 |
| Jul | 2.70 | 2.85 | -0.15 |
| Aug | 2.27 | 2.63 | -0.36 |
| Sep | 1.27 | 1.50 | -0.23 |
| Oct | 0.98 | 1.15 | -0.17 |
| Nov | 0.66 | 0.76 | -0.10 |
| Dec | 0.53 | 0.64 | -0.11 |
16.83 | 18.98 | -2.15 |