| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.94 | -0.18 |
| Feb | 0.79 | 0.89 | -0.10 |
| Mar | 1.60 | 1.72 | -0.12 |
| Apr | 2.89 | 3.14 | -0.25 |
| May | 4.17 | 4.23 | -0.06 |
| Jun | 4.52 | 4.72 | -0.20 |
| Jul | 4.21 | 4.48 | -0.27 |
| Aug | 4.51 | 4.36 | 0.15 |
| Sep | 3.32 | 3.29 | 0.03 |
| Oct | 2.78 | 2.89 | -0.11 |
| Nov | 1.58 | 1.71 | -0.13 |
| Dec | 1.07 | 1.29 | -0.22 |
32.20 | 33.66 | -1.46 |