| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.44 | -0.09 |
| Feb | 2.71 | 2.79 | -0.08 |
| Mar | 3.93 | 4.21 | -0.28 |
| Apr | 3.98 | 4.36 | -0.38 |
| May | 4.35 | 4.59 | -0.24 |
| Jun | 4.33 | 4.56 | -0.23 |
| Jul | 4.04 | 4.27 | -0.23 |
| Aug | 3.67 | 3.97 | -0.30 |
| Sep | 4.88 | 5.20 | -0.32 |
| Oct | 3.95 | 4.22 | -0.27 |
| Nov | 3.29 | 3.57 | -0.28 |
| Dec | 3.61 | 3.77 | -0.16 |
46.09 | 48.95 | -2.86 |