| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.96 | 2.06 | -0.10 |
| Feb | 2.01 | 2.13 | -0.12 |
| Mar | 3.39 | 3.49 | -0.10 |
| Apr | 4.79 | 4.93 | -0.14 |
| May | 6.36 | 6.69 | -0.33 |
| Jun | 5.12 | 5.16 | -0.04 |
| Jul | 3.79 | 3.81 | -0.02 |
| Aug | 3.67 | 3.46 | 0.21 |
| Sep | 4.40 | 4.55 | -0.15 |
| Oct | 3.83 | 3.94 | -0.11 |
| Nov | 3.36 | 3.49 | -0.13 |
| Dec | 2.50 | 2.58 | -0.08 |
45.18 | 46.29 | -1.11 |