| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.66 | 1.59 | 0.07 |
| Feb | 1.60 | 1.57 | 0.03 |
| Mar | 1.42 | 1.46 | -0.04 |
| Apr | 0.44 | 0.46 | -0.02 |
| May | 0.27 | 0.32 | -0.05 |
| Jun | 0.10 | 0.08 | 0.02 |
| Jul | 1.32 | 1.12 | 0.20 |
| Aug | 1.68 | 1.49 | 0.19 |
| Sep | 1.13 | 1.03 | 0.10 |
| Oct | 0.69 | 0.66 | 0.03 |
| Nov | 0.90 | 0.92 | -0.02 |
| Dec | 1.51 | 1.44 | 0.07 |
12.72 | 12.14 | 0.58 |