| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.33 | 1.37 | -0.04 |
| Feb | 1.65 | 1.78 | -0.13 |
| Mar | 2.64 | 2.72 | -0.08 |
| Apr | 4.31 | 4.21 | 0.10 |
| May | 5.66 | 5.70 | -0.04 |
| Jun | 5.17 | 5.51 | -0.34 |
| Jul | 4.79 | 4.64 | 0.15 |
| Aug | 4.20 | 4.20 | 0.00 |
| Sep | 4.10 | 4.26 | -0.16 |
| Oct | 3.35 | 3.48 | -0.13 |
| Nov | 2.35 | 2.36 | -0.01 |
| Dec | 1.83 | 1.79 | 0.04 |
41.38 | 42.02 | -0.64 |