| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.56 | 7.91 | -0.35 |
| Feb | 6.87 | 7.04 | -0.17 |
| Mar | 5.53 | 5.66 | -0.13 |
| Apr | 2.54 | 2.86 | -0.32 |
| May | 1.30 | 1.42 | -0.12 |
| Jun | 0.35 | 0.43 | -0.08 |
| Jul | 0.01 | 0.04 | -0.03 |
| Aug | 0.05 | 0.06 | -0.01 |
| Sep | 0.20 | 0.19 | 0.01 |
| Oct | 1.79 | 1.79 | 0.00 |
| Nov | 4.04 | 4.24 | -0.20 |
| Dec | 7.81 | 7.92 | -0.11 |
38.05 | 39.56 | -1.51 |