| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.61 | 0.01 |
| Feb | 0.67 | 0.66 | 0.01 |
| Mar | 1.31 | 1.29 | 0.02 |
| Apr | 2.46 | 2.39 | 0.07 |
| May | 3.22 | 3.10 | 0.12 |
| Jun | 4.06 | 3.83 | 0.23 |
| Jul | 3.54 | 3.33 | 0.21 |
| Aug | 3.62 | 3.34 | 0.28 |
| Sep | 2.77 | 2.69 | 0.08 |
| Oct | 2.32 | 2.27 | 0.05 |
| Nov | 1.11 | 1.08 | 0.03 |
| Dec | 0.76 | 0.81 | -0.05 |
26.46 | 25.40 | 1.06 |