| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.46 | 0.43 | 0.03 |
| Feb | 0.61 | 0.57 | 0.04 |
| Mar | 1.13 | 1.13 | 0.00 |
| Apr | 2.39 | 2.27 | 0.12 |
| May | 3.54 | 3.40 | 0.14 |
| Jun | 3.39 | 3.38 | 0.01 |
| Jul | 2.40 | 2.46 | -0.06 |
| Aug | 2.04 | 2.01 | 0.03 |
| Sep | 1.47 | 1.44 | 0.03 |
| Oct | 1.70 | 1.62 | 0.08 |
| Nov | 0.64 | 0.62 | 0.02 |
| Dec | 0.52 | 0.52 | 0.00 |
20.29 | 19.85 | 0.44 |