| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.64 | -0.03 |
| Feb | 0.70 | 0.72 | -0.02 |
| Mar | 1.43 | 1.48 | -0.05 |
| Apr | 2.67 | 2.80 | -0.13 |
| May | 4.51 | 4.66 | -0.15 |
| Jun | 4.17 | 4.12 | 0.05 |
| Jul | 3.29 | 3.31 | -0.02 |
| Aug | 3.36 | 3.33 | 0.03 |
| Sep | 2.36 | 2.41 | -0.05 |
| Oct | 2.19 | 2.14 | 0.05 |
| Nov | 1.21 | 1.25 | -0.04 |
| Dec | 0.89 | 0.88 | 0.01 |
27.39 | 27.74 | -0.35 |