| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.46 | -0.01 |
| Feb | 0.52 | 0.58 | -0.06 |
| Mar | 1.22 | 1.40 | -0.18 |
| Apr | 2.08 | 2.15 | -0.07 |
| May | 2.60 | 2.83 | -0.23 |
| Jun | 1.79 | 1.84 | -0.05 |
| Jul | 1.61 | 1.63 | -0.02 |
| Aug | 1.46 | 1.55 | -0.09 |
| Sep | 1.36 | 1.31 | 0.05 |
| Oct | 1.16 | 1.26 | -0.10 |
| Nov | 0.76 | 0.80 | -0.04 |
| Dec | 0.48 | 0.56 | -0.08 |
15.49 | 16.37 | -0.88 |