| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.40 | 0.41 | -0.01 |
| Feb | 0.41 | 0.38 | 0.03 |
| Mar | 0.73 | 0.69 | 0.04 |
| Apr | 1.24 | 1.22 | 0.02 |
| May | 2.80 | 2.66 | 0.14 |
| Jun | 3.22 | 3.19 | 0.03 |
| Jul | 2.51 | 2.63 | -0.12 |
| Aug | 1.98 | 1.98 | 0.00 |
| Sep | 1.71 | 1.80 | -0.09 |
| Oct | 1.35 | 1.28 | 0.07 |
| Nov | 0.55 | 0.53 | 0.02 |
| Dec | 0.46 | 0.44 | 0.02 |
17.36 | 17.21 | 0.15 |