| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.04 | 3.19 | -0.15 |
| Feb | 2.66 | 2.77 | -0.11 |
| Mar | 3.14 | 3.29 | -0.15 |
| Apr | 3.27 | 3.43 | -0.16 |
| May | 3.54 | 3.74 | -0.20 |
| Jun | 4.27 | 4.20 | 0.07 |
| Jul | 4.32 | 4.39 | -0.07 |
| Aug | 4.35 | 4.32 | 0.03 |
| Sep | 4.16 | 4.27 | -0.11 |
| Oct | 4.57 | 4.87 | -0.30 |
| Nov | 3.29 | 3.49 | -0.20 |
| Dec | 3.70 | 3.93 | -0.23 |
44.31 | 45.89 | -1.58 |