| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.71 | 8.25 | -0.54 |
| Feb | 6.88 | 7.58 | -0.70 |
| Mar | 5.93 | 6.07 | -0.14 |
| Apr | 2.60 | 3.13 | -0.53 |
| May | 1.11 | 1.45 | -0.34 |
| Jun | 0.35 | 0.44 | -0.09 |
| Jul | 0.02 | 0.03 | -0.01 |
| Aug | 0.06 | 0.04 | 0.02 |
| Sep | 0.24 | 0.19 | 0.05 |
| Oct | 1.73 | 2.18 | -0.45 |
| Nov | 4.06 | 4.46 | -0.40 |
| Dec | 8.59 | 8.83 | -0.24 |
39.28 | 42.65 | -3.37 |