| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.40 | 5.48 | -0.08 |
| Feb | 5.20 | 5.24 | -0.04 |
| Mar | 4.56 | 4.81 | -0.25 |
| Apr | 2.75 | 2.88 | -0.13 |
| May | 1.66 | 1.58 | 0.08 |
| Jun | 0.25 | 0.40 | -0.15 |
| Jul | 0.01 | 0.02 | -0.01 |
| Aug | 0.02 | 0.04 | -0.02 |
| Sep | 0.22 | 0.22 | 0.00 |
| Oct | 1.55 | 1.58 | -0.03 |
| Nov | 2.75 | 2.95 | -0.20 |
| Dec | 5.26 | 5.32 | -0.06 |
29.63 | 30.52 | -0.89 |