| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.28 | 1.45 | -0.17 |
| Feb | 1.22 | 1.38 | -0.16 |
| Mar | 1.95 | 2.00 | -0.05 |
| Apr | 3.54 | 3.59 | -0.05 |
| May | 4.04 | 4.08 | -0.04 |
| Jun | 4.89 | 5.01 | -0.12 |
| Jul | 3.83 | 4.10 | -0.27 |
| Aug | 4.28 | 3.84 | 0.44 |
| Sep | 3.29 | 3.31 | -0.02 |
| Oct | 2.86 | 2.87 | -0.01 |
| Nov | 2.04 | 2.09 | -0.05 |
| Dec | 1.54 | 1.67 | -0.13 |
34.76 | 35.39 | -0.63 |