| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.52 | 0.46 | 0.06 |
| Feb | 0.58 | 0.57 | 0.01 |
| Mar | 1.35 | 1.25 | 0.10 |
| Apr | 2.08 | 1.92 | 0.16 |
| May | 2.62 | 2.56 | 0.06 |
| Jun | 1.78 | 1.70 | 0.08 |
| Jul | 1.77 | 1.51 | 0.26 |
| Aug | 1.52 | 1.39 | 0.13 |
| Sep | 1.45 | 1.42 | 0.03 |
| Oct | 1.16 | 1.06 | 0.10 |
| Nov | 0.78 | 0.74 | 0.04 |
| Dec | 0.47 | 0.46 | 0.01 |
16.08 | 15.04 | 1.04 |