| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.44 | -0.08 |
| Feb | 3.21 | 3.27 | -0.06 |
| Mar | 3.51 | 3.63 | -0.12 |
| Apr | 3.29 | 3.45 | -0.16 |
| May | 3.76 | 3.90 | -0.14 |
| Jun | 4.89 | 4.83 | 0.06 |
| Jul | 5.24 | 5.11 | 0.13 |
| Aug | 5.93 | 5.68 | 0.25 |
| Sep | 5.95 | 6.03 | -0.08 |
| Oct | 3.27 | 3.49 | -0.22 |
| Nov | 3.19 | 3.40 | -0.21 |
| Dec | 3.46 | 3.51 | -0.05 |
49.06 | 49.74 | -0.68 |