| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.58 | -0.11 |
| Feb | 0.55 | 0.65 | -0.10 |
| Mar | 1.23 | 1.44 | -0.21 |
| Apr | 1.98 | 2.07 | -0.09 |
| May | 2.39 | 2.45 | -0.06 |
| Jun | 1.72 | 1.79 | -0.07 |
| Jul | 1.89 | 2.01 | -0.12 |
| Aug | 1.79 | 1.87 | -0.08 |
| Sep | 1.38 | 1.38 | 0.00 |
| Oct | 1.08 | 1.24 | -0.16 |
| Nov | 0.71 | 0.81 | -0.10 |
| Dec | 0.53 | 0.64 | -0.11 |
15.72 | 16.93 | -1.21 |