| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.85 | 5.28 | -0.43 |
| Feb | 3.10 | 3.45 | -0.35 |
| Mar | 3.47 | 4.28 | -0.81 |
| Apr | 2.78 | 3.39 | -0.61 |
| May | 2.37 | 2.60 | -0.23 |
| Jun | 1.77 | 2.08 | -0.31 |
| Jul | 1.02 | 1.03 | -0.01 |
| Aug | 1.16 | 1.09 | 0.07 |
| Sep | 2.11 | 2.33 | -0.22 |
| Oct | 3.92 | 4.48 | -0.56 |
| Nov | 5.51 | 6.56 | -1.05 |
| Dec | 4.73 | 5.36 | -0.63 |
36.79 | 41.93 | -5.14 |