| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.78 | 5.77 | 0.01 |
| Feb | 4.14 | 3.98 | 0.16 |
| Mar | 4.28 | 4.30 | -0.02 |
| Apr | 3.25 | 3.26 | -0.01 |
| May | 2.49 | 2.47 | 0.02 |
| Jun | 1.62 | 1.68 | -0.06 |
| Jul | 0.44 | 0.48 | -0.04 |
| Aug | 0.59 | 0.53 | 0.06 |
| Sep | 1.53 | 1.41 | 0.12 |
| Oct | 3.60 | 3.64 | -0.04 |
| Nov | 6.06 | 6.00 | 0.06 |
| Dec | 6.70 | 6.67 | 0.03 |
40.48 | 40.19 | 0.29 |