| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.57 | -0.24 |
| Feb | 2.77 | 2.94 | -0.17 |
| Mar | 4.38 | 4.41 | -0.03 |
| Apr | 3.51 | 3.54 | -0.03 |
| May | 3.40 | 3.49 | -0.09 |
| Jun | 4.07 | 4.29 | -0.22 |
| Jul | 4.63 | 4.79 | -0.16 |
| Aug | 4.75 | 4.89 | -0.14 |
| Sep | 4.03 | 4.18 | -0.15 |
| Oct | 4.00 | 3.98 | 0.02 |
| Nov | 3.21 | 3.24 | -0.03 |
| Dec | 4.20 | 4.40 | -0.20 |
46.28 | 47.72 | -1.44 |