| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.21 | 1.14 | 0.07 |
| Feb | 1.51 | 1.54 | -0.03 |
| Mar | 2.40 | 2.43 | -0.03 |
| Apr | 3.74 | 3.79 | -0.05 |
| May | 5.38 | 5.83 | -0.45 |
| Jun | 4.93 | 4.73 | 0.20 |
| Jul | 4.33 | 4.41 | -0.08 |
| Aug | 4.12 | 4.34 | -0.22 |
| Sep | 4.02 | 4.03 | -0.01 |
| Oct | 3.02 | 3.02 | 0.00 |
| Nov | 2.25 | 2.25 | 0.00 |
| Dec | 1.57 | 1.56 | 0.01 |
38.48 | 39.07 | -0.59 |