| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.69 | 2.54 | 0.15 |
| Feb | 2.12 | 2.19 | -0.07 |
| Mar | 3.33 | 3.31 | 0.02 |
| Apr | 3.29 | 3.23 | 0.06 |
| May | 4.23 | 3.98 | 0.25 |
| Jun | 4.24 | 4.11 | 0.13 |
| Jul | 4.02 | 3.81 | 0.21 |
| Aug | 3.40 | 3.21 | 0.19 |
| Sep | 4.24 | 4.22 | 0.02 |
| Oct | 3.06 | 3.06 | 0.00 |
| Nov | 2.81 | 2.81 | 0.00 |
| Dec | 2.89 | 3.04 | -0.15 |
40.32 | 39.51 | 0.81 |