| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.16 | 1.14 | 0.02 |
| Feb | 1.12 | 1.13 | -0.01 |
| Mar | 1.95 | 1.91 | 0.04 |
| Apr | 3.94 | 3.89 | 0.05 |
| May | 4.83 | 4.73 | 0.10 |
| Jun | 5.31 | 5.33 | -0.02 |
| Jul | 4.39 | 4.27 | 0.12 |
| Aug | 4.29 | 4.43 | -0.14 |
| Sep | 3.88 | 3.87 | 0.01 |
| Oct | 2.79 | 2.81 | -0.02 |
| Nov | 1.89 | 1.87 | 0.02 |
| Dec | 1.40 | 1.37 | 0.03 |
36.95 | 36.75 | 0.20 |