| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.44 | 0.60 | -0.16 |
| Feb | 0.48 | 0.66 | -0.18 |
| Mar | 1.09 | 1.49 | -0.40 |
| Apr | 1.81 | 2.24 | -0.43 |
| May | 2.22 | 2.37 | -0.15 |
| Jun | 1.86 | 1.95 | -0.09 |
| Jul | 2.35 | 2.14 | 0.21 |
| Aug | 1.91 | 2.11 | -0.20 |
| Sep | 1.22 | 1.45 | -0.23 |
| Oct | 1.02 | 1.19 | -0.17 |
| Nov | 0.71 | 0.92 | -0.21 |
| Dec | 0.47 | 0.65 | -0.18 |
15.58 | 17.77 | -2.19 |