| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.28 | 7.50 | -0.22 |
| Feb | 4.85 | 5.23 | -0.38 |
| Mar | 5.54 | 5.90 | -0.36 |
| Apr | 3.77 | 3.90 | -0.13 |
| May | 2.43 | 2.32 | 0.11 |
| Jun | 1.61 | 1.64 | -0.03 |
| Jul | 0.59 | 0.58 | 0.01 |
| Aug | 0.90 | 0.87 | 0.03 |
| Sep | 1.91 | 1.95 | -0.04 |
| Oct | 4.70 | 5.06 | -0.36 |
| Nov | 7.86 | 8.15 | -0.29 |
| Dec | 7.72 | 7.93 | -0.21 |
49.16 | 51.03 | -1.87 |