| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.83 | 6.71 | -1.88 |
| Feb | 5.48 | 8.24 | -2.76 |
| Mar | 3.27 | 5.14 | -1.87 |
| Apr | 1.54 | 2.11 | -0.57 |
| May | 0.52 | 1.01 | -0.49 |
| Jun | 0.08 | 0.20 | -0.12 |
| Jul | 0.13 | 0.24 | -0.11 |
| Aug | 0.11 | 0.11 | 0.00 |
| Sep | 0.21 | 0.27 | -0.06 |
| Oct | 0.81 | 1.46 | -0.65 |
| Nov | 1.32 | 2.23 | -0.91 |
| Dec | 3.51 | 5.11 | -1.60 |
21.81 | 32.83 | -11.02 |