| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.29 | 2.27 | 0.02 |
| Feb | 1.86 | 1.80 | 0.06 |
| Mar | 1.96 | 1.82 | 0.14 |
| Apr | 2.40 | 2.43 | -0.03 |
| May | 3.78 | 3.60 | 0.18 |
| Jun | 8.87 | 9.64 | -0.77 |
| Jul | 8.05 | 8.87 | -0.82 |
| Aug | 9.53 | 9.92 | -0.39 |
| Sep | 8.35 | 9.43 | -1.08 |
| Oct | 3.77 | 3.71 | 0.06 |
| Nov | 1.67 | 1.67 | 0.00 |
| Dec | 1.91 | 1.77 | 0.14 |
54.44 | 56.93 | -2.49 |