| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.24 | 6.59 | -1.35 |
| Feb | 3.83 | 4.56 | -0.73 |
| Mar | 3.79 | 4.49 | -0.70 |
| Apr | 2.82 | 3.12 | -0.30 |
| May | 1.86 | 2.02 | -0.16 |
| Jun | 0.87 | 0.97 | -0.10 |
| Jul | 0.25 | 0.26 | -0.01 |
| Aug | 0.25 | 0.33 | -0.08 |
| Sep | 0.80 | 0.89 | -0.09 |
| Oct | 2.39 | 2.62 | -0.23 |
| Nov | 4.98 | 5.61 | -0.63 |
| Dec | 6.58 | 7.00 | -0.42 |
33.66 | 38.46 | -4.80 |