| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.39 | 1.14 | 0.25 |
| Feb | 1.28 | 1.01 | 0.27 |
| Mar | 1.00 | 0.86 | 0.14 |
| Apr | 0.37 | 0.37 | 0.00 |
| May | 0.27 | 0.21 | 0.06 |
| Jun | 0.52 | 0.60 | -0.08 |
| Jul | 4.34 | 4.01 | 0.33 |
| Aug | 3.79 | 3.78 | 0.01 |
| Sep | 2.19 | 1.71 | 0.48 |
| Oct | 0.89 | 0.83 | 0.06 |
| Nov | 0.87 | 0.75 | 0.12 |
| Dec | 1.44 | 1.29 | 0.15 |
18.35 | 16.56 | 1.79 |