| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.58 | -0.13 |
| Feb | 0.48 | 0.62 | -0.14 |
| Mar | 1.08 | 1.33 | -0.25 |
| Apr | 1.82 | 2.21 | -0.39 |
| May | 2.17 | 2.35 | -0.18 |
| Jun | 1.93 | 2.09 | -0.16 |
| Jul | 2.38 | 2.23 | 0.15 |
| Aug | 1.92 | 2.13 | -0.21 |
| Sep | 1.22 | 1.41 | -0.19 |
| Oct | 1.03 | 1.14 | -0.11 |
| Nov | 0.67 | 0.82 | -0.15 |
| Dec | 0.46 | 0.60 | -0.14 |
15.61 | 17.51 | -1.90 |