| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.36 | 1.56 | -0.20 |
| Feb | 1.45 | 1.59 | -0.14 |
| Mar | 1.17 | 1.39 | -0.22 |
| Apr | 0.71 | 0.89 | -0.18 |
| May | 0.75 | 0.57 | 0.18 |
| Jun | 0.35 | 0.26 | 0.09 |
| Jul | 2.43 | 2.35 | 0.08 |
| Aug | 2.74 | 2.48 | 0.26 |
| Sep | 1.54 | 1.69 | -0.15 |
| Oct | 1.24 | 1.18 | 0.06 |
| Nov | 1.01 | 1.16 | -0.15 |
| Dec | 1.45 | 1.46 | -0.01 |
16.20 | 16.58 | -0.38 |