| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.64 | 0.66 | -0.02 |
| Feb | 0.77 | 0.77 | 0.00 |
| Mar | 1.45 | 1.47 | -0.02 |
| Apr | 2.81 | 3.00 | -0.19 |
| May | 4.00 | 3.88 | 0.12 |
| Jun | 4.80 | 4.88 | -0.08 |
| Jul | 3.58 | 3.59 | -0.01 |
| Aug | 3.48 | 3.46 | 0.02 |
| Sep | 3.24 | 3.27 | -0.03 |
| Oct | 2.22 | 2.30 | -0.08 |
| Nov | 1.18 | 1.21 | -0.03 |
| Dec | 0.84 | 0.88 | -0.04 |
29.01 | 29.37 | -0.36 |