| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.01 | 6.11 | -0.10 |
| Feb | 4.86 | 4.58 | 0.28 |
| Mar | 5.19 | 5.12 | 0.07 |
| Apr | 4.36 | 4.05 | 0.31 |
| May | 3.05 | 2.91 | 0.14 |
| Jun | 2.07 | 1.93 | 0.14 |
| Jul | 0.51 | 0.48 | 0.03 |
| Aug | 0.66 | 0.55 | 0.11 |
| Sep | 1.76 | 1.73 | 0.03 |
| Oct | 4.43 | 4.18 | 0.25 |
| Nov | 7.03 | 6.42 | 0.61 |
| Dec | 7.38 | 7.09 | 0.29 |
47.31 | 45.15 | 2.16 |