| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.93 | 5.09 | -0.16 |
| Feb | 5.50 | 5.52 | -0.02 |
| Mar | 5.29 | 5.60 | -0.31 |
| Apr | 6.12 | 6.29 | -0.17 |
| May | 5.04 | 5.09 | -0.05 |
| Jun | 4.25 | 4.51 | -0.26 |
| Jul | 4.49 | 4.49 | 0.00 |
| Aug | 3.67 | 3.95 | -0.28 |
| Sep | 3.61 | 3.70 | -0.09 |
| Oct | 3.60 | 3.75 | -0.15 |
| Nov | 4.39 | 4.51 | -0.12 |
| Dec | 5.82 | 6.03 | -0.21 |
56.71 | 58.53 | -1.82 |