| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.97 | 0.97 | 0.00 |
| Feb | 0.93 | 0.83 | 0.10 |
| Mar | 1.08 | 1.07 | 0.01 |
| Apr | 1.98 | 2.00 | -0.02 |
| May | 2.98 | 3.01 | -0.03 |
| Jun | 4.01 | 3.95 | 0.06 |
| Jul | 3.92 | 3.97 | -0.05 |
| Aug | 3.10 | 3.13 | -0.03 |
| Sep | 3.51 | 3.56 | -0.05 |
| Oct | 2.75 | 2.65 | 0.10 |
| Nov | 1.71 | 1.48 | 0.23 |
| Dec | 1.31 | 1.19 | 0.12 |
28.25 | 27.81 | 0.44 |