| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.16 | 1.38 | -0.22 |
| Feb | 1.02 | 1.14 | -0.12 |
| Mar | 1.57 | 1.67 | -0.10 |
| Apr | 2.62 | 2.83 | -0.21 |
| May | 3.38 | 3.48 | -0.10 |
| Jun | 3.71 | 4.00 | -0.29 |
| Jul | 3.96 | 4.17 | -0.21 |
| Aug | 3.41 | 3.54 | -0.13 |
| Sep | 3.17 | 3.31 | -0.14 |
| Oct | 3.17 | 3.22 | -0.05 |
| Nov | 2.03 | 2.00 | 0.03 |
| Dec | 1.56 | 1.72 | -0.16 |
30.76 | 32.46 | -1.70 |