| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.47 | -0.06 |
| Feb | 0.59 | 0.69 | -0.10 |
| Mar | 0.90 | 1.03 | -0.13 |
| Apr | 1.60 | 1.96 | -0.36 |
| May | 2.36 | 2.83 | -0.47 |
| Jun | 1.08 | 1.10 | -0.02 |
| Jul | 0.64 | 0.55 | 0.09 |
| Aug | 0.58 | 0.56 | 0.02 |
| Sep | 1.03 | 0.92 | 0.11 |
| Oct | 1.17 | 1.27 | -0.10 |
| Nov | 0.55 | 0.67 | -0.12 |
| Dec | 0.47 | 0.61 | -0.14 |
11.38 | 12.66 | -1.28 |