| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 8.42 | 8.24 | 0.18 |
| Feb | 7.95 | 7.57 | 0.38 |
| Mar | 6.15 | 5.57 | 0.58 |
| Apr | 2.82 | 2.73 | 0.09 |
| May | 1.18 | 1.15 | 0.03 |
| Jun | 0.27 | 0.28 | -0.01 |
| Jul | 0.02 | 0.01 | 0.01 |
| Aug | 0.03 | 0.05 | -0.02 |
| Sep | 0.12 | 0.21 | -0.09 |
| Oct | 1.73 | 1.53 | 0.20 |
| Nov | 4.04 | 3.51 | 0.53 |
| Dec | 8.32 | 7.78 | 0.54 |
41.05 | 38.63 | 2.42 |