| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.71 | 0.03 |
| Feb | 0.80 | 0.78 | 0.02 |
| Mar | 1.51 | 1.51 | 0.00 |
| Apr | 2.54 | 2.61 | -0.07 |
| May | 3.62 | 3.69 | -0.07 |
| Jun | 4.29 | 4.41 | -0.12 |
| Jul | 4.06 | 3.84 | 0.22 |
| Aug | 3.83 | 3.91 | -0.08 |
| Sep | 2.87 | 2.95 | -0.08 |
| Oct | 2.63 | 2.69 | -0.06 |
| Nov | 1.37 | 1.41 | -0.04 |
| Dec | 0.90 | 0.93 | -0.03 |
29.16 | 29.44 | -0.28 |