| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.01 | 0.91 | 0.10 |
| Feb | 1.02 | 0.94 | 0.08 |
| Mar | 1.95 | 1.89 | 0.06 |
| Apr | 3.50 | 3.47 | 0.03 |
| May | 4.51 | 4.39 | 0.12 |
| Jun | 5.47 | 5.27 | 0.20 |
| Jul | 4.40 | 4.17 | 0.23 |
| Aug | 4.37 | 4.35 | 0.02 |
| Sep | 3.73 | 3.57 | 0.16 |
| Oct | 2.49 | 2.37 | 0.12 |
| Nov | 1.80 | 1.60 | 0.20 |
| Dec | 1.24 | 1.13 | 0.11 |
35.49 | 34.06 | 1.43 |