| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.68 | 0.04 |
| Feb | 1.06 | 1.11 | -0.05 |
| Mar | 1.97 | 2.00 | -0.03 |
| Apr | 3.20 | 3.26 | -0.06 |
| May | 4.94 | 4.94 | 0.00 |
| Jun | 4.87 | 5.07 | -0.20 |
| Jul | 4.49 | 4.22 | 0.27 |
| Aug | 4.18 | 4.18 | 0.00 |
| Sep | 2.92 | 3.01 | -0.09 |
| Oct | 2.36 | 2.42 | -0.06 |
| Nov | 1.51 | 1.53 | -0.02 |
| Dec | 1.22 | 1.21 | 0.01 |
33.44 | 33.63 | -0.19 |