| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.81 | 2.88 | -0.07 |
| Feb | 2.35 | 2.43 | -0.08 |
| Mar | 3.18 | 3.19 | -0.01 |
| Apr | 4.34 | 4.47 | -0.13 |
| May | 4.72 | 4.61 | 0.11 |
| Jun | 5.01 | 4.98 | 0.03 |
| Jul | 4.53 | 4.29 | 0.24 |
| Aug | 3.46 | 3.23 | 0.23 |
| Sep | 3.20 | 3.23 | -0.03 |
| Oct | 3.41 | 3.28 | 0.13 |
| Nov | 3.47 | 3.48 | -0.01 |
| Dec | 2.83 | 2.87 | -0.04 |
43.31 | 42.94 | 0.37 |