| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.52 | 0.50 | 0.02 |
| Feb | 0.51 | 0.46 | 0.05 |
| Mar | 0.84 | 0.79 | 0.05 |
| Apr | 0.69 | 0.75 | -0.06 |
| May | 1.58 | 1.58 | 0.00 |
| Jun | 1.70 | 1.71 | -0.01 |
| Jul | 2.16 | 2.16 | 0.00 |
| Aug | 2.13 | 2.09 | 0.04 |
| Sep | 2.46 | 2.44 | 0.02 |
| Oct | 1.22 | 1.30 | -0.08 |
| Nov | 0.73 | 0.67 | 0.06 |
| Dec | 0.62 | 0.59 | 0.03 |
15.16 | 15.04 | 0.12 |