| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.25 | 0.17 |
| Feb | 0.59 | 0.44 | 0.15 |
| Mar | 1.06 | 0.73 | 0.33 |
| Apr | 1.92 | 1.50 | 0.42 |
| May | 2.60 | 2.56 | 0.04 |
| Jun | 2.16 | 2.15 | 0.01 |
| Jul | 1.78 | 1.78 | 0.00 |
| Aug | 1.39 | 1.74 | -0.35 |
| Sep | 1.43 | 1.70 | -0.27 |
| Oct | 1.16 | 0.95 | 0.21 |
| Nov | 0.68 | 0.53 | 0.15 |
| Dec | 0.61 | 0.46 | 0.15 |
15.80 | 14.79 | 1.01 |