| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.01 | 3.13 | -0.12 |
| Feb | 2.39 | 2.47 | -0.08 |
| Mar | 3.41 | 3.43 | -0.02 |
| Apr | 4.72 | 4.89 | -0.17 |
| May | 4.83 | 4.83 | 0.00 |
| Jun | 5.02 | 5.13 | -0.11 |
| Jul | 4.31 | 4.39 | -0.08 |
| Aug | 3.14 | 3.08 | 0.06 |
| Sep | 3.16 | 3.20 | -0.04 |
| Oct | 3.73 | 3.69 | 0.04 |
| Nov | 3.79 | 3.76 | 0.03 |
| Dec | 2.86 | 2.98 | -0.12 |
44.37 | 44.98 | -0.61 |