| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.45 | -0.04 |
| Feb | 0.45 | 0.40 | 0.05 |
| Mar | 0.67 | 0.69 | -0.02 |
| Apr | 1.18 | 1.13 | 0.05 |
| May | 2.61 | 2.68 | -0.07 |
| Jun | 3.52 | 3.66 | -0.14 |
| Jul | 2.51 | 2.76 | -0.25 |
| Aug | 1.98 | 2.02 | -0.04 |
| Sep | 1.63 | 1.67 | -0.04 |
| Oct | 1.16 | 1.28 | -0.12 |
| Nov | 0.60 | 0.63 | -0.03 |
| Dec | 0.54 | 0.51 | 0.03 |
17.26 | 17.88 | -0.62 |