| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.16 | 0.95 | 0.21 |
| Feb | 1.06 | 1.06 | 0.00 |
| Mar | 1.88 | 1.99 | -0.11 |
| Apr | 2.38 | 2.46 | -0.08 |
| May | 2.28 | 2.35 | -0.07 |
| Jun | 1.57 | 1.51 | 0.06 |
| Jul | 3.25 | 3.21 | 0.04 |
| Aug | 2.95 | 2.67 | 0.28 |
| Sep | 1.46 | 1.33 | 0.13 |
| Oct | 1.39 | 1.42 | -0.03 |
| Nov | 1.23 | 1.08 | 0.15 |
| Dec | 1.03 | 1.08 | -0.05 |
21.64 | 21.11 | 0.53 |