| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 8.05 | 7.78 | 0.27 |
| Feb | 6.92 | 6.34 | 0.58 |
| Mar | 7.37 | 6.80 | 0.57 |
| Apr | 4.86 | 4.40 | 0.46 |
| May | 2.65 | 2.07 | 0.58 |
| Jun | 1.05 | 1.00 | 0.05 |
| Jul | 0.20 | 0.20 | 0.00 |
| Aug | 0.18 | 0.19 | -0.01 |
| Sep | 0.88 | 0.81 | 0.07 |
| Oct | 3.00 | 2.80 | 0.20 |
| Nov | 6.26 | 5.63 | 0.63 |
| Dec | 9.62 | 9.53 | 0.09 |
51.04 | 47.55 | 3.49 |