| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.34 | 0.42 | -0.08 |
| Feb | 0.41 | 0.47 | -0.06 |
| Mar | 0.69 | 0.81 | -0.12 |
| Apr | 1.14 | 1.47 | -0.33 |
| May | 1.80 | 1.81 | -0.01 |
| Jun | 1.47 | 1.50 | -0.03 |
| Jul | 1.49 | 1.52 | -0.03 |
| Aug | 1.15 | 1.24 | -0.09 |
| Sep | 1.17 | 1.21 | -0.04 |
| Oct | 1.02 | 1.00 | 0.02 |
| Nov | 0.50 | 0.62 | -0.12 |
| Dec | 0.40 | 0.46 | -0.06 |
11.58 | 12.53 | -0.95 |