| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.46 | 5.77 | 0.69 |
| Feb | 4.66 | 4.45 | 0.21 |
| Mar | 4.76 | 4.61 | 0.15 |
| Apr | 3.36 | 3.28 | 0.08 |
| May | 2.43 | 2.30 | 0.13 |
| Jun | 1.40 | 1.49 | -0.09 |
| Jul | 0.32 | 0.34 | -0.02 |
| Aug | 0.49 | 0.43 | 0.06 |
| Sep | 1.51 | 1.43 | 0.08 |
| Oct | 3.67 | 3.54 | 0.13 |
| Nov | 6.32 | 6.10 | 0.22 |
| Dec | 7.29 | 7.27 | 0.02 |
42.67 | 41.01 | 1.66 |