| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.67 | 0.69 | -0.02 |
| Feb | 0.76 | 0.79 | -0.03 |
| Mar | 1.51 | 1.45 | 0.06 |
| Apr | 2.59 | 2.51 | 0.08 |
| May | 3.56 | 3.53 | 0.03 |
| Jun | 4.74 | 4.64 | 0.10 |
| Jul | 3.83 | 3.66 | 0.17 |
| Aug | 4.02 | 3.84 | 0.18 |
| Sep | 3.02 | 2.95 | 0.07 |
| Oct | 2.36 | 2.21 | 0.15 |
| Nov | 1.27 | 1.25 | 0.02 |
| Dec | 0.88 | 0.92 | -0.04 |
29.21 | 28.44 | 0.77 |