| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.98 | 2.16 | -0.18 |
| Feb | 1.84 | 2.03 | -0.19 |
| Mar | 2.24 | 2.28 | -0.04 |
| Apr | 3.74 | 3.84 | -0.10 |
| May | 4.44 | 4.57 | -0.13 |
| Jun | 4.35 | 4.37 | -0.02 |
| Jul | 3.74 | 3.73 | 0.01 |
| Aug | 3.86 | 3.92 | -0.06 |
| Sep | 3.28 | 3.26 | 0.02 |
| Oct | 3.39 | 3.61 | -0.22 |
| Nov | 2.50 | 2.66 | -0.16 |
| Dec | 2.11 | 2.27 | -0.16 |
37.47 | 38.70 | -1.23 |