| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.00 | 0.96 | 0.04 |
| Feb | 1.01 | 0.99 | 0.02 |
| Mar | 1.95 | 1.89 | 0.06 |
| Apr | 3.43 | 3.39 | 0.04 |
| May | 4.46 | 4.35 | 0.11 |
| Jun | 5.39 | 5.31 | 0.08 |
| Jul | 4.35 | 4.21 | 0.14 |
| Aug | 4.36 | 4.42 | -0.06 |
| Sep | 3.67 | 3.55 | 0.12 |
| Oct | 2.47 | 2.37 | 0.10 |
| Nov | 1.77 | 1.66 | 0.11 |
| Dec | 1.23 | 1.19 | 0.04 |
35.09 | 34.29 | 0.80 |