| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.69 | -0.04 |
| Feb | 0.64 | 0.71 | -0.07 |
| Mar | 1.17 | 1.25 | -0.08 |
| Apr | 2.06 | 2.18 | -0.12 |
| May | 3.28 | 3.39 | -0.11 |
| Jun | 4.26 | 4.23 | 0.03 |
| Jul | 4.27 | 4.19 | 0.08 |
| Aug | 3.33 | 3.16 | 0.17 |
| Sep | 2.90 | 2.88 | 0.02 |
| Oct | 2.68 | 2.73 | -0.05 |
| Nov | 1.18 | 1.21 | -0.03 |
| Dec | 0.87 | 0.93 | -0.06 |
27.29 | 27.55 | -0.26 |