| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.10 | 3.16 | -0.06 |
| Feb | 2.74 | 2.86 | -0.12 |
| Mar | 3.87 | 4.05 | -0.18 |
| Apr | 3.60 | 3.55 | 0.05 |
| May | 4.28 | 4.32 | -0.04 |
| Jun | 4.31 | 4.28 | 0.03 |
| Jul | 4.38 | 4.26 | 0.12 |
| Aug | 4.12 | 3.95 | 0.17 |
| Sep | 4.41 | 4.40 | 0.01 |
| Oct | 4.11 | 4.16 | -0.05 |
| Nov | 3.36 | 3.29 | 0.07 |
| Dec | 3.74 | 3.89 | -0.15 |
46.02 | 46.17 | -0.15 |