| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.60 | 5.38 | -0.78 |
| Feb | 4.45 | 4.61 | -0.16 |
| Mar | 4.75 | 5.01 | -0.26 |
| Apr | 4.68 | 5.35 | -0.67 |
| May | 3.35 | 3.62 | -0.27 |
| Jun | 6.30 | 6.70 | -0.40 |
| Jul | 6.71 | 7.29 | -0.58 |
| Aug | 6.96 | 7.24 | -0.28 |
| Sep | 6.54 | 6.73 | -0.19 |
| Oct | 4.22 | 4.25 | -0.03 |
| Nov | 4.00 | 4.39 | -0.39 |
| Dec | 4.67 | 5.17 | -0.50 |
61.23 | 65.74 | -4.51 |