| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.84 | 1.71 | 0.13 |
| Feb | 1.23 | 1.21 | 0.02 |
| Mar | 1.28 | 1.26 | 0.02 |
| Apr | 1.45 | 1.54 | -0.09 |
| May | 1.92 | 2.07 | -0.15 |
| Jun | 2.94 | 3.18 | -0.24 |
| Jul | 1.19 | 1.28 | -0.09 |
| Aug | 0.91 | 0.95 | -0.04 |
| Sep | 1.30 | 1.27 | 0.03 |
| Oct | 1.63 | 1.49 | 0.14 |
| Nov | 1.84 | 1.66 | 0.18 |
| Dec | 1.87 | 1.95 | -0.08 |
19.40 | 19.57 | -0.17 |