| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.86 | -0.03 |
| Feb | 0.85 | 0.85 | 0.00 |
| Mar | 1.23 | 1.28 | -0.05 |
| Apr | 2.19 | 2.19 | 0.00 |
| May | 3.19 | 3.21 | -0.02 |
| Jun | 4.49 | 4.48 | 0.01 |
| Jul | 4.16 | 4.04 | 0.12 |
| Aug | 3.62 | 3.54 | 0.08 |
| Sep | 3.28 | 3.43 | -0.15 |
| Oct | 2.88 | 2.83 | 0.05 |
| Nov | 1.53 | 1.51 | 0.02 |
| Dec | 1.17 | 1.32 | -0.15 |
29.42 | 29.54 | -0.12 |