| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.09 | 1.31 | -0.22 |
| Feb | 1.05 | 1.08 | -0.03 |
| Mar | 0.95 | 1.00 | -0.05 |
| Apr | 0.57 | 0.74 | -0.17 |
| May | 0.52 | 0.62 | -0.10 |
| Jun | 0.55 | 0.59 | -0.04 |
| Jul | 3.27 | 3.52 | -0.25 |
| Aug | 3.58 | 4.40 | -0.82 |
| Sep | 1.92 | 2.18 | -0.26 |
| Oct | 1.30 | 1.66 | -0.36 |
| Nov | 1.12 | 1.15 | -0.03 |
| Dec | 1.32 | 1.46 | -0.14 |
17.24 | 19.71 | -2.47 |