| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.67 | 1.70 | -0.03 |
| Feb | 1.79 | 1.87 | -0.08 |
| Mar | 3.21 | 3.29 | -0.08 |
| Apr | 4.54 | 4.74 | -0.20 |
| May | 6.62 | 7.22 | -0.60 |
| Jun | 5.32 | 5.40 | -0.08 |
| Jul | 3.87 | 3.92 | -0.05 |
| Aug | 4.05 | 4.03 | 0.02 |
| Sep | 4.38 | 4.36 | 0.02 |
| Oct | 3.80 | 3.82 | -0.02 |
| Nov | 2.85 | 2.81 | 0.04 |
| Dec | 2.22 | 2.33 | -0.11 |
44.32 | 45.49 | -1.17 |