| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.23 | 5.43 | 0.80 |
| Feb | 5.71 | 5.11 | 0.60 |
| Mar | 4.83 | 4.09 | 0.74 |
| Apr | 2.12 | 1.94 | 0.18 |
| May | 1.00 | 0.98 | 0.02 |
| Jun | 0.17 | 0.18 | -0.01 |
| Jul | 0.01 | 0.00 | 0.01 |
| Aug | 0.07 | 0.03 | 0.04 |
| Sep | 0.09 | 0.09 | 0.00 |
| Oct | 1.32 | 1.28 | 0.04 |
| Nov | 2.69 | 2.59 | 0.10 |
| Dec | 5.92 | 4.90 | 1.02 |
30.16 | 26.62 | 3.54 |