| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.92 | 3.31 | 0.61 |
| Feb | 2.98 | 2.43 | 0.55 |
| Mar | 2.51 | 2.12 | 0.39 |
| Apr | 1.60 | 1.23 | 0.37 |
| May | 1.52 | 1.39 | 0.13 |
| Jun | 0.72 | 0.62 | 0.10 |
| Jul | 0.40 | 0.37 | 0.03 |
| Aug | 0.25 | 0.24 | 0.01 |
| Sep | 0.38 | 0.30 | 0.08 |
| Oct | 1.38 | 1.44 | -0.06 |
| Nov | 2.51 | 2.32 | 0.19 |
| Dec | 4.14 | 4.08 | 0.06 |
22.31 | 19.85 | 2.46 |