| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 8.95 | 8.96 | -0.01 |
| Feb | 9.29 | 9.47 | -0.18 |
| Mar | 8.60 | 8.41 | 0.19 |
| Apr | 3.89 | 4.41 | -0.52 |
| May | 2.40 | 2.88 | -0.48 |
| Jun | 1.10 | 1.25 | -0.15 |
| Jul | 0.08 | 0.18 | -0.10 |
| Aug | 0.12 | 0.14 | -0.02 |
| Sep | 0.47 | 0.44 | 0.03 |
| Oct | 2.50 | 2.75 | -0.25 |
| Nov | 5.23 | 5.51 | -0.28 |
| Dec | 9.85 | 9.94 | -0.09 |
52.48 | 54.34 | -1.86 |