| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.21 | 6.92 | -0.71 |
| Feb | 5.35 | 5.83 | -0.48 |
| Mar | 4.76 | 5.19 | -0.43 |
| Apr | 2.53 | 2.88 | -0.35 |
| May | 1.23 | 1.47 | -0.24 |
| Jun | 0.32 | 0.40 | -0.08 |
| Jul | 0.03 | 0.07 | -0.04 |
| Aug | 0.03 | 0.04 | -0.01 |
| Sep | 0.17 | 0.23 | -0.06 |
| Oct | 1.54 | 1.64 | -0.10 |
| Nov | 2.80 | 2.76 | 0.04 |
| Dec | 5.42 | 5.66 | -0.24 |
30.39 | 33.09 | -2.70 |