| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.21 | 1.15 | 0.06 |
| Feb | 1.07 | 1.09 | -0.02 |
| Mar | 1.81 | 1.85 | -0.04 |
| Apr | 3.57 | 3.73 | -0.16 |
| May | 4.39 | 4.67 | -0.28 |
| Jun | 5.07 | 5.26 | -0.19 |
| Jul | 4.26 | 4.43 | -0.17 |
| Aug | 4.33 | 4.42 | -0.09 |
| Sep | 3.83 | 3.98 | -0.15 |
| Oct | 2.73 | 2.83 | -0.10 |
| Nov | 1.91 | 1.92 | -0.01 |
| Dec | 1.44 | 1.46 | -0.02 |
35.62 | 36.79 | -1.17 |