| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.48 | 2.67 | -0.19 |
| Feb | 2.84 | 3.12 | -0.28 |
| Mar | 2.01 | 2.27 | -0.26 |
| Apr | 0.92 | 0.98 | -0.06 |
| May | 0.37 | 0.40 | -0.03 |
| Jun | 0.07 | 0.07 | 0.00 |
| Jul | 0.05 | 0.06 | -0.01 |
| Aug | 0.04 | 0.06 | -0.02 |
| Sep | 0.13 | 0.16 | -0.03 |
| Oct | 0.54 | 0.62 | -0.08 |
| Nov | 1.10 | 1.14 | -0.04 |
| Dec | 1.96 | 2.14 | -0.18 |
12.51 | 13.69 | -1.18 |