| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.83 | -0.02 |
| Feb | 0.84 | 0.91 | -0.07 |
| Mar | 1.43 | 1.48 | -0.05 |
| Apr | 2.61 | 2.61 | 0.00 |
| May | 3.48 | 3.50 | -0.02 |
| Jun | 4.49 | 4.63 | -0.14 |
| Jul | 4.49 | 4.60 | -0.11 |
| Aug | 3.77 | 3.86 | -0.09 |
| Sep | 3.19 | 3.28 | -0.09 |
| Oct | 3.07 | 3.05 | 0.02 |
| Nov | 1.62 | 1.64 | -0.02 |
| Dec | 1.18 | 1.28 | -0.10 |
30.98 | 31.67 | -0.69 |