| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.44 | 4.73 | -0.29 |
| Feb | 4.60 | 4.99 | -0.39 |
| Mar | 4.72 | 5.13 | -0.41 |
| Apr | 3.83 | 3.92 | -0.09 |
| May | 3.14 | 3.04 | 0.10 |
| Jun | 5.55 | 5.27 | 0.28 |
| Jul | 6.75 | 6.72 | 0.03 |
| Aug | 7.38 | 7.87 | -0.49 |
| Sep | 5.71 | 5.53 | 0.18 |
| Oct | 3.31 | 3.51 | -0.20 |
| Nov | 3.48 | 3.80 | -0.32 |
| Dec | 4.37 | 4.47 | -0.10 |
57.28 | 58.98 | -1.70 |