| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.80 | 2.34 | -0.54 |
| Feb | 1.26 | 1.57 | -0.31 |
| Mar | 1.58 | 2.00 | -0.42 |
| Apr | 1.40 | 1.46 | -0.06 |
| May | 1.54 | 1.55 | -0.01 |
| Jun | 1.55 | 1.52 | 0.03 |
| Jul | 0.56 | 0.54 | 0.02 |
| Aug | 0.46 | 0.44 | 0.02 |
| Sep | 0.60 | 0.62 | -0.02 |
| Oct | 1.41 | 1.62 | -0.21 |
| Nov | 1.95 | 2.28 | -0.33 |
| Dec | 2.31 | 2.94 | -0.63 |
16.42 | 18.88 | -2.46 |