| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.68 | 6.91 | -0.23 |
| Feb | 6.51 | 6.95 | -0.44 |
| Mar | 6.07 | 6.31 | -0.24 |
| Apr | 3.54 | 3.40 | 0.14 |
| May | 2.11 | 2.08 | 0.03 |
| Jun | 0.53 | 0.58 | -0.05 |
| Jul | 0.02 | 0.03 | -0.01 |
| Aug | 0.06 | 0.08 | -0.02 |
| Sep | 0.34 | 0.29 | 0.05 |
| Oct | 1.82 | 2.03 | -0.21 |
| Nov | 3.80 | 3.83 | -0.03 |
| Dec | 6.87 | 6.71 | 0.16 |
38.35 | 39.20 | -0.85 |