| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.32 | 1.71 | -0.39 |
| Feb | 1.20 | 1.28 | -0.08 |
| Mar | 1.47 | 1.60 | -0.13 |
| Apr | 2.43 | 2.54 | -0.11 |
| May | 3.17 | 3.38 | -0.21 |
| Jun | 3.90 | 4.16 | -0.26 |
| Jul | 3.91 | 3.94 | -0.03 |
| Aug | 2.93 | 3.16 | -0.23 |
| Sep | 3.27 | 3.67 | -0.40 |
| Oct | 3.24 | 3.80 | -0.56 |
| Nov | 2.15 | 2.61 | -0.46 |
| Dec | 1.81 | 2.10 | -0.29 |
30.80 | 33.95 | -3.15 |