| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.02 | 1.10 | -0.08 |
| Feb | 1.31 | 1.42 | -0.11 |
| Mar | 2.28 | 2.23 | 0.05 |
| Apr | 3.93 | 3.98 | -0.05 |
| May | 5.18 | 5.28 | -0.10 |
| Jun | 5.02 | 5.07 | -0.05 |
| Jul | 4.57 | 4.74 | -0.17 |
| Aug | 4.46 | 4.19 | 0.27 |
| Sep | 3.72 | 4.12 | -0.40 |
| Oct | 3.21 | 3.37 | -0.16 |
| Nov | 1.95 | 1.96 | -0.01 |
| Dec | 1.54 | 1.65 | -0.11 |
38.19 | 39.11 | -0.92 |