| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 8.64 | 8.03 | 0.61 |
| Feb | 6.71 | 6.08 | 0.63 |
| Mar | 7.25 | 6.63 | 0.62 |
| Apr | 6.17 | 5.51 | 0.66 |
| May | 4.40 | 3.88 | 0.52 |
| Jun | 3.28 | 3.04 | 0.24 |
| Jul | 0.76 | 0.73 | 0.03 |
| Aug | 0.97 | 0.96 | 0.01 |
| Sep | 2.62 | 2.46 | 0.16 |
| Oct | 6.43 | 5.79 | 0.64 |
| Nov | 9.74 | 8.74 | 1.00 |
| Dec | 9.69 | 9.43 | 0.26 |
66.66 | 61.28 | 5.38 |