| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.28 | 3.68 | -0.40 |
| Feb | 2.87 | 3.08 | -0.21 |
| Mar | 4.12 | 4.22 | -0.10 |
| Apr | 3.81 | 4.01 | -0.20 |
| May | 3.39 | 3.47 | -0.08 |
| Jun | 4.05 | 3.95 | 0.10 |
| Jul | 3.63 | 3.46 | 0.17 |
| Aug | 4.07 | 4.02 | 0.05 |
| Sep | 3.98 | 3.93 | 0.05 |
| Oct | 4.00 | 4.19 | -0.19 |
| Nov | 3.40 | 3.37 | 0.03 |
| Dec | 4.21 | 4.45 | -0.24 |
44.81 | 45.83 | -1.02 |