| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.75 | -0.02 |
| Feb | 0.72 | 0.73 | -0.01 |
| Mar | 1.24 | 1.24 | 0.00 |
| Apr | 2.18 | 2.19 | -0.01 |
| May | 3.24 | 3.40 | -0.16 |
| Jun | 4.41 | 4.50 | -0.09 |
| Jul | 4.27 | 4.32 | -0.05 |
| Aug | 3.51 | 3.48 | 0.03 |
| Sep | 3.06 | 3.08 | -0.02 |
| Oct | 2.80 | 2.86 | -0.06 |
| Nov | 1.40 | 1.37 | 0.03 |
| Dec | 1.02 | 1.08 | -0.06 |
28.58 | 29.00 | -0.42 |