| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.17 | 3.21 | -0.04 |
| Feb | 2.94 | 3.08 | -0.14 |
| Mar | 4.26 | 4.29 | -0.03 |
| Apr | 5.29 | 5.31 | -0.02 |
| May | 5.11 | 5.12 | -0.01 |
| Jun | 4.40 | 4.47 | -0.07 |
| Jul | 3.89 | 3.85 | 0.04 |
| Aug | 3.19 | 3.11 | 0.08 |
| Sep | 3.25 | 3.15 | 0.10 |
| Oct | 3.56 | 3.61 | -0.05 |
| Nov | 4.20 | 4.19 | 0.01 |
| Dec | 3.40 | 3.58 | -0.18 |
46.66 | 46.97 | -0.31 |