| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.95 | -0.16 |
| Feb | 0.81 | 0.93 | -0.12 |
| Mar | 1.61 | 1.70 | -0.09 |
| Apr | 2.87 | 3.14 | -0.27 |
| May | 4.13 | 4.30 | -0.17 |
| Jun | 4.71 | 4.98 | -0.27 |
| Jul | 4.17 | 4.30 | -0.13 |
| Aug | 4.66 | 4.55 | 0.11 |
| Sep | 3.33 | 3.41 | -0.08 |
| Oct | 2.79 | 3.05 | -0.26 |
| Nov | 1.62 | 1.72 | -0.10 |
| Dec | 1.15 | 1.31 | -0.16 |
32.64 | 34.34 | -1.70 |