| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.52 | 2.69 | -0.17 |
| Feb | 2.36 | 2.47 | -0.11 |
| Mar | 4.05 | 4.03 | 0.02 |
| Apr | 4.86 | 4.93 | -0.07 |
| May | 5.72 | 6.03 | -0.31 |
| Jun | 4.51 | 4.47 | 0.04 |
| Jul | 3.83 | 4.05 | -0.22 |
| Aug | 3.56 | 3.35 | 0.21 |
| Sep | 4.18 | 4.16 | 0.02 |
| Oct | 4.12 | 4.05 | 0.07 |
| Nov | 3.95 | 4.01 | -0.06 |
| Dec | 3.05 | 3.19 | -0.14 |
46.71 | 47.43 | -0.72 |