| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.48 | 0.59 | -0.11 |
| Feb | 0.57 | 0.68 | -0.11 |
| Mar | 1.27 | 1.53 | -0.26 |
| Apr | 1.97 | 2.23 | -0.26 |
| May | 2.31 | 2.40 | -0.09 |
| Jun | 1.74 | 1.78 | -0.04 |
| Jul | 2.03 | 2.04 | -0.01 |
| Aug | 1.83 | 1.96 | -0.13 |
| Sep | 1.35 | 1.34 | 0.01 |
| Oct | 1.00 | 1.24 | -0.24 |
| Nov | 0.67 | 0.86 | -0.19 |
| Dec | 0.54 | 0.64 | -0.10 |
15.76 | 17.29 | -1.53 |