| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.33 | 1.38 | -0.05 |
| Feb | 0.95 | 1.00 | -0.05 |
| Mar | 0.81 | 0.79 | 0.02 |
| Apr | 0.63 | 0.67 | -0.04 |
| May | 0.70 | 0.85 | -0.15 |
| Jun | 0.49 | 0.54 | -0.05 |
| Jul | 0.24 | 0.27 | -0.03 |
| Aug | 0.18 | 0.20 | -0.02 |
| Sep | 0.28 | 0.30 | -0.02 |
| Oct | 0.77 | 0.72 | 0.05 |
| Nov | 1.12 | 0.96 | 0.16 |
| Dec | 1.70 | 1.53 | 0.17 |
9.20 | 9.21 | -0.01 |