| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.88 | -0.05 |
| Feb | 0.92 | 0.89 | 0.03 |
| Mar | 1.68 | 1.67 | 0.01 |
| Apr | 3.12 | 2.88 | 0.24 |
| May | 4.26 | 4.18 | 0.08 |
| Jun | 4.76 | 5.04 | -0.28 |
| Jul | 4.22 | 4.06 | 0.16 |
| Aug | 4.25 | 4.18 | 0.07 |
| Sep | 3.27 | 3.25 | 0.02 |
| Oct | 2.45 | 2.45 | 0.00 |
| Nov | 1.57 | 1.49 | 0.08 |
| Dec | 1.18 | 1.20 | -0.02 |
32.51 | 32.17 | 0.34 |