| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.61 | -0.16 |
| Feb | 0.50 | 0.67 | -0.17 |
| Mar | 1.10 | 1.47 | -0.37 |
| Apr | 1.87 | 2.26 | -0.39 |
| May | 2.28 | 2.38 | -0.10 |
| Jun | 1.95 | 2.10 | -0.15 |
| Jul | 2.32 | 2.26 | 0.06 |
| Aug | 1.98 | 2.15 | -0.17 |
| Sep | 1.21 | 1.40 | -0.19 |
| Oct | 1.02 | 1.17 | -0.15 |
| Nov | 0.71 | 0.92 | -0.21 |
| Dec | 0.47 | 0.65 | -0.18 |
15.86 | 18.04 | -2.18 |