| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.75 | -0.03 |
| Feb | 0.73 | 0.71 | 0.02 |
| Mar | 1.21 | 1.21 | 0.00 |
| Apr | 2.12 | 2.14 | -0.02 |
| May | 3.22 | 3.32 | -0.10 |
| Jun | 4.39 | 4.45 | -0.06 |
| Jul | 4.22 | 4.23 | -0.01 |
| Aug | 3.56 | 3.46 | 0.10 |
| Sep | 3.06 | 3.15 | -0.09 |
| Oct | 2.75 | 2.86 | -0.11 |
| Nov | 1.39 | 1.37 | 0.02 |
| Dec | 1.03 | 1.06 | -0.03 |
28.40 | 28.71 | -0.31 |