| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.73 | -0.01 |
| Feb | 0.71 | 0.65 | 0.06 |
| Mar | 1.19 | 1.22 | -0.03 |
| Apr | 1.42 | 1.50 | -0.08 |
| May | 2.71 | 2.63 | 0.08 |
| Jun | 2.22 | 2.23 | -0.01 |
| Jul | 1.63 | 1.51 | 0.12 |
| Aug | 2.00 | 2.01 | -0.01 |
| Sep | 2.84 | 3.00 | -0.16 |
| Oct | 1.88 | 1.95 | -0.07 |
| Nov | 0.93 | 1.04 | -0.11 |
| Dec | 0.74 | 0.74 | 0.00 |
18.99 | 19.21 | -0.22 |