| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.63 | 2.01 | -0.38 |
| Feb | 1.57 | 1.91 | -0.34 |
| Mar | 2.09 | 2.42 | -0.33 |
| Apr | 2.69 | 3.02 | -0.33 |
| May | 2.44 | 2.54 | -0.10 |
| Jun | 1.17 | 1.21 | -0.04 |
| Jul | 0.59 | 0.67 | -0.08 |
| Aug | 0.73 | 0.76 | -0.03 |
| Sep | 1.42 | 1.38 | 0.04 |
| Oct | 1.75 | 1.81 | -0.06 |
| Nov | 1.54 | 1.86 | -0.32 |
| Dec | 1.63 | 1.94 | -0.31 |
19.25 | 21.53 | -2.28 |