| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.30 | 0.29 | 0.01 |
| Feb | 0.47 | 0.47 | 0.00 |
| Mar | 0.76 | 0.77 | -0.01 |
| Apr | 1.68 | 1.67 | 0.01 |
| May | 2.57 | 2.73 | -0.16 |
| Jun | 2.20 | 2.28 | -0.08 |
| Jul | 2.17 | 1.87 | 0.30 |
| Aug | 1.18 | 1.20 | -0.02 |
| Sep | 0.99 | 1.00 | -0.01 |
| Oct | 1.11 | 1.15 | -0.04 |
| Nov | 0.44 | 0.46 | -0.02 |
| Dec | 0.30 | 0.34 | -0.04 |
14.17 | 14.23 | -0.06 |