| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.23 | 1.68 | -0.45 |
| Feb | 1.03 | 1.52 | -0.49 |
| Mar | 1.33 | 1.65 | -0.32 |
| Apr | 1.88 | 2.31 | -0.43 |
| May | 2.01 | 2.09 | -0.08 |
| Jun | 1.35 | 1.36 | -0.01 |
| Jul | 1.30 | 1.18 | 0.12 |
| Aug | 1.14 | 1.08 | 0.06 |
| Sep | 1.26 | 1.24 | 0.02 |
| Oct | 1.13 | 1.39 | -0.26 |
| Nov | 1.16 | 1.60 | -0.44 |
| Dec | 1.10 | 1.73 | -0.63 |
15.92 | 18.83 | -2.91 |