| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.02 | 6.54 | -0.52 |
| Feb | 3.75 | 4.32 | -0.57 |
| Mar | 3.75 | 4.16 | -0.41 |
| Apr | 2.30 | 2.39 | -0.09 |
| May | 1.44 | 1.65 | -0.21 |
| Jun | 1.07 | 1.14 | -0.07 |
| Jul | 0.62 | 0.64 | -0.02 |
| Aug | 0.80 | 0.91 | -0.11 |
| Sep | 1.50 | 1.53 | -0.03 |
| Oct | 4.15 | 4.12 | 0.03 |
| Nov | 6.49 | 7.39 | -0.90 |
| Dec | 6.16 | 6.76 | -0.60 |
38.05 | 41.55 | -3.50 |