| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.92 | -0.15 |
| Feb | 0.80 | 0.92 | -0.12 |
| Mar | 1.60 | 1.72 | -0.12 |
| Apr | 2.89 | 3.02 | -0.13 |
| May | 4.16 | 4.31 | -0.15 |
| Jun | 4.72 | 4.93 | -0.21 |
| Jul | 4.13 | 4.29 | -0.16 |
| Aug | 4.49 | 4.72 | -0.23 |
| Sep | 3.20 | 3.31 | -0.11 |
| Oct | 2.60 | 2.72 | -0.12 |
| Nov | 1.56 | 1.66 | -0.10 |
| Dec | 1.08 | 1.26 | -0.18 |
32.00 | 33.78 | -1.78 |