| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.18 | 8.91 | -1.73 |
| Feb | 5.32 | 6.59 | -1.27 |
| Mar | 4.86 | 6.37 | -1.51 |
| Apr | 3.00 | 3.66 | -0.66 |
| May | 1.61 | 1.94 | -0.33 |
| Jun | 0.75 | 0.86 | -0.11 |
| Jul | 0.26 | 0.35 | -0.09 |
| Aug | 0.27 | 0.26 | 0.01 |
| Sep | 0.62 | 0.69 | -0.07 |
| Oct | 2.45 | 3.09 | -0.64 |
| Nov | 5.70 | 6.86 | -1.16 |
| Dec | 8.47 | 10.97 | -2.50 |
40.49 | 50.55 | -10.06 |