| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.48 | -0.03 |
| Feb | 0.52 | 0.60 | -0.08 |
| Mar | 1.22 | 1.49 | -0.27 |
| Apr | 2.08 | 2.15 | -0.07 |
| May | 2.60 | 2.88 | -0.28 |
| Jun | 1.79 | 1.90 | -0.11 |
| Jul | 1.61 | 1.67 | -0.06 |
| Aug | 1.46 | 1.65 | -0.19 |
| Sep | 1.36 | 1.35 | 0.01 |
| Oct | 1.16 | 1.28 | -0.12 |
| Nov | 0.76 | 0.83 | -0.07 |
| Dec | 0.48 | 0.58 | -0.10 |
15.49 | 16.86 | -1.37 |