| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.66 | 0.70 | -0.04 |
| Feb | 0.81 | 0.81 | 0.00 |
| Mar | 1.72 | 1.75 | -0.03 |
| Apr | 2.56 | 2.66 | -0.10 |
| May | 2.74 | 2.95 | -0.21 |
| Jun | 1.80 | 1.83 | -0.03 |
| Jul | 1.73 | 1.75 | -0.02 |
| Aug | 1.70 | 1.54 | 0.16 |
| Sep | 1.44 | 2.06 | -0.62 |
| Oct | 1.32 | 1.48 | -0.16 |
| Nov | 1.03 | 1.01 | 0.02 |
| Dec | 0.66 | 0.69 | -0.03 |
18.17 | 19.23 | -1.06 |