| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.04 | 1.09 | -0.05 |
| Feb | 1.50 | 1.53 | -0.03 |
| Mar | 2.31 | 2.36 | -0.05 |
| Apr | 3.79 | 3.84 | -0.05 |
| May | 5.35 | 5.47 | -0.12 |
| Jun | 5.43 | 5.29 | 0.14 |
| Jul | 4.07 | 4.08 | -0.01 |
| Aug | 4.41 | 4.32 | 0.09 |
| Sep | 3.93 | 4.02 | -0.09 |
| Oct | 3.07 | 3.15 | -0.08 |
| Nov | 2.14 | 2.15 | -0.01 |
| Dec | 1.60 | 1.62 | -0.02 |
38.64 | 38.92 | -0.28 |