| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.12 | 3.17 | -0.05 |
| Feb | 2.46 | 2.46 | 0.00 |
| Mar | 3.54 | 3.53 | 0.01 |
| Apr | 4.39 | 4.31 | 0.08 |
| May | 4.51 | 4.48 | 0.03 |
| Jun | 4.68 | 4.69 | -0.01 |
| Jul | 4.13 | 4.02 | 0.11 |
| Aug | 3.24 | 3.00 | 0.24 |
| Sep | 3.09 | 3.06 | 0.03 |
| Oct | 3.09 | 3.00 | 0.09 |
| Nov | 3.04 | 2.99 | 0.05 |
| Dec | 3.19 | 3.15 | 0.04 |
42.48 | 41.86 | 0.62 |