| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.02 | 1.00 | 0.02 |
| Feb | 1.11 | 1.11 | 0.00 |
| Mar | 1.90 | 1.93 | -0.03 |
| Apr | 3.11 | 3.10 | 0.01 |
| May | 4.15 | 4.30 | -0.15 |
| Jun | 4.80 | 5.07 | -0.27 |
| Jul | 3.78 | 3.87 | -0.09 |
| Aug | 4.21 | 4.18 | 0.03 |
| Sep | 3.59 | 3.57 | 0.02 |
| Oct | 2.83 | 2.72 | 0.11 |
| Nov | 1.81 | 1.81 | 0.00 |
| Dec | 1.38 | 1.40 | -0.02 |
33.69 | 34.06 | -0.37 |