| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.91 | 0.95 | -0.04 |
| Feb | 0.86 | 0.97 | -0.11 |
| Mar | 1.36 | 1.43 | -0.07 |
| Apr | 2.46 | 2.59 | -0.13 |
| May | 3.24 | 3.34 | -0.10 |
| Jun | 4.35 | 4.43 | -0.08 |
| Jul | 4.03 | 4.08 | -0.05 |
| Aug | 3.63 | 3.77 | -0.14 |
| Sep | 3.21 | 3.33 | -0.12 |
| Oct | 2.95 | 3.01 | -0.06 |
| Nov | 1.71 | 1.86 | -0.15 |
| Dec | 1.27 | 1.48 | -0.21 |
29.98 | 31.24 | -1.26 |