| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.72 | -0.46 |
| Feb | 2.93 | 3.14 | -0.21 |
| Mar | 3.54 | 3.68 | -0.14 |
| Apr | 3.79 | 3.76 | 0.03 |
| May | 3.69 | 3.86 | -0.17 |
| Jun | 4.51 | 4.59 | -0.08 |
| Jul | 4.13 | 3.95 | 0.18 |
| Aug | 4.24 | 4.15 | 0.09 |
| Sep | 4.42 | 4.71 | -0.29 |
| Oct | 4.79 | 4.69 | 0.10 |
| Nov | 3.48 | 3.61 | -0.13 |
| Dec | 4.18 | 4.49 | -0.31 |
46.96 | 48.35 | -1.39 |