| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.29 | 3.43 | -0.14 |
| Feb | 2.97 | 3.13 | -0.16 |
| Mar | 3.75 | 3.77 | -0.02 |
| Apr | 4.12 | 4.24 | -0.12 |
| May | 3.53 | 3.54 | -0.01 |
| Jun | 4.45 | 4.48 | -0.03 |
| Jul | 3.48 | 3.55 | -0.07 |
| Aug | 3.51 | 3.56 | -0.05 |
| Sep | 3.87 | 3.83 | 0.04 |
| Oct | 5.13 | 5.31 | -0.18 |
| Nov | 4.28 | 4.30 | -0.02 |
| Dec | 4.14 | 4.40 | -0.26 |
46.52 | 47.54 | -1.02 |