| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.80 | 6.43 | 0.37 |
| Feb | 4.90 | 4.96 | -0.06 |
| Mar | 5.12 | 5.01 | 0.11 |
| Apr | 3.49 | 3.67 | -0.18 |
| May | 2.51 | 2.62 | -0.11 |
| Jun | 1.47 | 1.62 | -0.15 |
| Jul | 0.34 | 0.35 | -0.01 |
| Aug | 0.48 | 0.46 | 0.02 |
| Sep | 1.57 | 1.56 | 0.01 |
| Oct | 3.83 | 3.77 | 0.06 |
| Nov | 6.67 | 6.59 | 0.08 |
| Dec | 7.69 | 7.44 | 0.25 |
44.87 | 44.48 | 0.39 |