| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.55 | 1.88 | -0.33 |
| Feb | 1.42 | 1.64 | -0.22 |
| Mar | 1.71 | 1.90 | -0.19 |
| Apr | 2.00 | 2.29 | -0.29 |
| May | 2.21 | 2.37 | -0.16 |
| Jun | 1.27 | 1.27 | 0.00 |
| Jul | 0.56 | 0.54 | 0.02 |
| Aug | 0.76 | 0.71 | 0.05 |
| Sep | 1.31 | 1.36 | -0.05 |
| Oct | 1.58 | 1.79 | -0.21 |
| Nov | 1.22 | 1.50 | -0.28 |
| Dec | 1.44 | 1.67 | -0.23 |
17.03 | 18.92 | -1.89 |