| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.17 | 1.24 | -0.07 |
| Feb | 1.08 | 1.13 | -0.05 |
| Mar | 1.91 | 1.88 | 0.03 |
| Apr | 3.45 | 3.56 | -0.11 |
| May | 4.10 | 4.08 | 0.02 |
| Jun | 4.73 | 4.76 | -0.03 |
| Jul | 3.96 | 4.07 | -0.11 |
| Aug | 4.00 | 4.02 | -0.02 |
| Sep | 3.32 | 3.42 | -0.10 |
| Oct | 2.78 | 2.70 | 0.08 |
| Nov | 1.96 | 1.92 | 0.04 |
| Dec | 1.55 | 1.54 | 0.01 |
34.01 | 34.32 | -0.31 |