| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.27 | 1.35 | -0.08 |
| Feb | 1.55 | 1.74 | -0.19 |
| Mar | 2.50 | 2.54 | -0.04 |
| Apr | 4.17 | 4.11 | 0.06 |
| May | 5.67 | 5.85 | -0.18 |
| Jun | 5.29 | 5.57 | -0.28 |
| Jul | 4.35 | 4.35 | 0.00 |
| Aug | 4.34 | 4.32 | 0.02 |
| Sep | 4.05 | 4.27 | -0.22 |
| Oct | 3.34 | 3.43 | -0.09 |
| Nov | 2.37 | 2.38 | -0.01 |
| Dec | 1.74 | 1.78 | -0.04 |
40.64 | 41.69 | -1.05 |