| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.78 | 5.23 | -0.45 |
| Feb | 4.34 | 4.51 | -0.17 |
| Mar | 4.74 | 4.93 | -0.19 |
| Apr | 4.36 | 4.47 | -0.11 |
| May | 3.98 | 3.92 | 0.06 |
| Jun | 4.79 | 4.71 | 0.08 |
| Jul | 4.65 | 4.85 | -0.20 |
| Aug | 5.09 | 5.39 | -0.30 |
| Sep | 4.27 | 4.41 | -0.14 |
| Oct | 3.77 | 3.92 | -0.15 |
| Nov | 4.03 | 4.20 | -0.17 |
| Dec | 5.15 | 5.42 | -0.27 |
53.95 | 55.96 | -2.01 |