| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.64 | 0.61 | 0.03 |
| Feb | 0.68 | 0.70 | -0.02 |
| Mar | 1.54 | 1.54 | 0.00 |
| Apr | 2.78 | 2.75 | 0.03 |
| May | 4.86 | 4.88 | -0.02 |
| Jun | 4.26 | 4.14 | 0.12 |
| Jul | 3.30 | 3.15 | 0.15 |
| Aug | 3.49 | 3.48 | 0.01 |
| Sep | 2.50 | 2.43 | 0.07 |
| Oct | 2.18 | 2.10 | 0.08 |
| Nov | 1.29 | 1.31 | -0.02 |
| Dec | 0.95 | 0.96 | -0.01 |
28.47 | 28.05 | 0.42 |