| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.27 | 0.30 | -0.03 |
| Feb | 0.37 | 0.41 | -0.04 |
| Mar | 0.49 | 0.49 | 0.00 |
| Apr | 1.21 | 1.24 | -0.03 |
| May | 2.12 | 2.20 | -0.08 |
| Jun | 1.63 | 1.65 | -0.02 |
| Jul | 0.87 | 0.85 | 0.02 |
| Aug | 0.83 | 0.79 | 0.04 |
| Sep | 1.11 | 1.13 | -0.02 |
| Oct | 0.94 | 0.95 | -0.01 |
| Nov | 0.44 | 0.44 | 0.00 |
| Dec | 0.33 | 0.35 | -0.02 |
10.61 | 10.80 | -0.19 |