| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.05 | 1.04 | 0.01 |
| Feb | 1.10 | 1.09 | 0.01 |
| Mar | 1.92 | 1.92 | 0.00 |
| Apr | 3.43 | 3.41 | 0.02 |
| May | 4.31 | 4.39 | -0.08 |
| Jun | 4.97 | 5.14 | -0.17 |
| Jul | 3.90 | 4.10 | -0.20 |
| Aug | 4.69 | 4.51 | 0.18 |
| Sep | 3.76 | 3.84 | -0.08 |
| Oct | 2.67 | 2.57 | 0.10 |
| Nov | 1.82 | 1.83 | -0.01 |
| Dec | 1.31 | 1.34 | -0.03 |
34.93 | 35.18 | -0.25 |