| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.48 | -0.22 |
| Feb | 3.16 | 3.21 | -0.05 |
| Mar | 4.22 | 4.21 | 0.01 |
| Apr | 4.78 | 4.89 | -0.11 |
| May | 5.16 | 5.28 | -0.12 |
| Jun | 4.73 | 4.88 | -0.15 |
| Jul | 4.37 | 4.41 | -0.04 |
| Aug | 3.50 | 3.51 | -0.01 |
| Sep | 3.32 | 3.44 | -0.12 |
| Oct | 3.31 | 3.42 | -0.11 |
| Nov | 3.28 | 3.41 | -0.13 |
| Dec | 3.78 | 4.00 | -0.22 |
46.87 | 48.14 | -1.27 |