| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.65 | 5.99 | -0.34 |
| Feb | 4.17 | 4.41 | -0.24 |
| Mar | 3.60 | 3.88 | -0.28 |
| Apr | 4.91 | 5.29 | -0.38 |
| May | 4.97 | 4.97 | 0.00 |
| Jun | 6.69 | 7.13 | -0.44 |
| Jul | 6.33 | 6.77 | -0.44 |
| Aug | 6.68 | 6.50 | 0.18 |
| Sep | 5.22 | 5.38 | -0.16 |
| Oct | 4.60 | 4.46 | 0.14 |
| Nov | 4.46 | 4.78 | -0.32 |
| Dec | 4.52 | 4.71 | -0.19 |
61.80 | 64.27 | -2.47 |