| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.29 | 3.58 | -0.29 |
| Feb | 2.74 | 2.91 | -0.17 |
| Mar | 4.28 | 4.40 | -0.12 |
| Apr | 3.60 | 3.57 | 0.03 |
| May | 3.41 | 3.57 | -0.16 |
| Jun | 4.16 | 4.28 | -0.12 |
| Jul | 4.63 | 4.63 | 0.00 |
| Aug | 4.63 | 4.80 | -0.17 |
| Sep | 4.33 | 4.22 | 0.11 |
| Oct | 3.86 | 4.00 | -0.14 |
| Nov | 3.16 | 3.19 | -0.03 |
| Dec | 4.09 | 4.37 | -0.28 |
46.18 | 47.52 | -1.34 |