| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.19 | 1.29 | -0.10 |
| Feb | 1.03 | 1.11 | -0.08 |
| Mar | 1.57 | 1.63 | -0.06 |
| Apr | 2.67 | 2.70 | -0.03 |
| May | 3.27 | 3.21 | 0.06 |
| Jun | 3.56 | 3.69 | -0.13 |
| Jul | 3.48 | 3.50 | -0.02 |
| Aug | 3.05 | 3.02 | 0.03 |
| Sep | 3.40 | 3.38 | 0.02 |
| Oct | 3.13 | 3.23 | -0.10 |
| Nov | 1.99 | 1.92 | 0.07 |
| Dec | 1.54 | 1.64 | -0.10 |
29.88 | 30.32 | -0.44 |