| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.57 | 0.05 |
| Feb | 0.67 | 0.63 | 0.04 |
| Mar | 1.13 | 1.42 | -0.29 |
| Apr | 2.16 | 2.25 | -0.09 |
| May | 2.46 | 2.52 | -0.06 |
| Jun | 1.98 | 2.10 | -0.12 |
| Jul | 3.18 | 3.12 | 0.06 |
| Aug | 2.45 | 3.02 | -0.57 |
| Sep | 1.34 | 1.54 | -0.20 |
| Oct | 1.02 | 1.15 | -0.13 |
| Nov | 0.70 | 0.76 | -0.06 |
| Dec | 0.60 | 0.66 | -0.06 |
18.31 | 19.74 | -1.43 |