| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.09 | 3.26 | -0.17 |
| Feb | 2.69 | 2.85 | -0.16 |
| Mar | 3.87 | 4.05 | -0.18 |
| Apr | 3.28 | 3.28 | 0.00 |
| May | 3.77 | 3.93 | -0.16 |
| Jun | 4.22 | 4.31 | -0.09 |
| Jul | 4.54 | 4.66 | -0.12 |
| Aug | 4.51 | 4.53 | -0.02 |
| Sep | 4.34 | 4.26 | 0.08 |
| Oct | 3.98 | 4.04 | -0.06 |
| Nov | 3.23 | 3.21 | 0.02 |
| Dec | 3.59 | 3.75 | -0.16 |
45.11 | 46.13 | -1.02 |